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Flat Form Springs

Flat Form Springs

Responding Quickly to your Flat Forms Spring Needs

Flat forms spring is a type of spring made up of flat stock, sheet, or strip material. Flat springs come in different forms and sizes, depending upon its application or use. It finds its use in a number of products such as leaf springs, clock springs, clips, beam springs, and battery contacts. These springs do not have any standard shape or size. They are manufactured as per the requirement of different functions and applications. SMSC offers a wide variety of custom flat forms springs in various dimensions. These springs are essential components, which support the manufacture of a number of products. We have the right technology, equipment, and team that helps customers fulfill their design requirements with ultimate accuracy.

Flat Forms Spring Specifications:

Following are the specifications of these springs:

Length of Legs up to 24 in up to 609.6 mm
Wire Size .010 to .375 in .254 to 9.525 mm
Direction of Winding Right Hand Left Hand
Material Titanium High Carbon Steel
Inconel® Low Carbon Steel
Monel® Nickel Plated Carbon Steel
Hastelloy® Stainless Alloys
Elgiloy® Non-Ferrous Metals
Finish Plain Black Oxide
Painted Cadmium
Passivate Zinc Gold
Zinc Silver

Advantages of Using Flat Forms Springs:

Following are some of the major advantages of flat forms springs, due to which they are highly preferred in most of the industries:

  1. Used in a wide range of industrial applications: These springs are extensively used in a number of industrial applications such as military industries, mining, electronics, power generation, telecommunication, construction, medical and more. We can help you with designing customized springs in different dimensions based on your requirements.
  1. They are robustly built: When compared with round wire springs, flat forms springs are robustly built, and can sustain high impact loads. These springs are robust owing to the materials used in their manufacture. The robustness of these springs add to their durability, thus making them the first choice in demanding industrial applications. There is no compression or stretching involved in the manufacture of these springs, which reduces the risk of friction, buckling, and breakage.
  1. Saves lot of space with reduced spring length: These springs have reduced spring length, which helps save a lot of axial space in several applications. These springs save 50% more space as compared to that of conventional coil springs. Though the spring has reduced length, it does not compromise on load or spring deflection. Because of the reduced spring length, and a loftier surface area between coils, it makes these springs the first choice for applications having space constraints.

Applications of Flat Forms Springs:

Following are some of the major applications of flat forms springs:

  • Collars
  • Simple Beams
  • Clips
  • Specialty Formed Bus Bars
  • Hangers
  • Brush Holders
  • Latches
  • Fuse Holders
  • Braces

SMSC has specialized in producing high quality custom flat forms springs for more than seven decades. We have proven technical expertise and industry knowledge to meet the requirements of a wide variety of industries. We provide flat forms springs that not only meet, but exceed the customers’ expectations. Get in touch with our professional for any queries or inquiries related to different types of springs. You can reach out to us via phone on 800-330-2460 or mail us at smsc@windstream.net.


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Custom Wire Forms

Custom Wire Forms

Reliable Custom Wire Forms for Domestic & Industrial Applications

SMSC is considered one of the trusted and reliable wire forms manufacturers in the US. The company has achieved this distinction due to its proven capabilities to focus on performance, strength, reliability, and quality of various industrial wire forms products. The shapes and sizes of the product is only limited to a designer’s imagination.

Specifications

Wire Size .015 to .50 in .381 to 9.525 mm
Materials Beryllium Copper Music Wire Inconel
Chrome Silicon Chromium Vanadium Phosphor Bronze
Stainless Steel 302 Stainless Steel 304 Stainless Steel 316
Finish Plain Black Oxide Painted
Cadmium Passivate Zinc Gold
Zinc Silver

During the production, we always take care to stress-relieve our spring products, which helps us provide reliable products to our clients.

Custom Wire Form Offerings

As with all our industrial springs, we can manufacture the industrial wire forms to meet client’s specifications.  Our vast industrial work experiences, advanced manufacturing techniques, and expertise help us manufacture, and deliver customer spring solutions at exact tolerance specifications mentioned by the client.

We have invested in the latest CNC machines, and are able to manufacture simple and complex wire forms to meet diverse client requirements. We can produce these wire forms from any of the following:

  • Flattened Round Wire
  • Rectangular Material
  • Rolled Round Wire
  • Shaped Material
  • Tempered Wire

We have already designed and developed these springs various applications such as hand tools, nuclear submarines, drain cleaning equipment, and elevators.

As one of the leading industrial wire form manufacturers, we ensure great quality, competitive prices, and total customer satisfaction. Each wire is packed professionally to prevent damage while shipping. Our extensive product inventory allows us to deliver products in a short turnaround time. As we have already listed some of the common dimensions and material specifications, St. Marys Spring Company provides customized production. If you don’t see the wire form part of your choice, or to know more about benefits of standard or custom wire forms in our selection, please contact us on our toll-free number 800-330-2460. Also, you can send us an email at smsc@windstream.net. You can Request a Quote to place your order.


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Compression Springs

Compression Springs

High-quality Compression Springs Available in Various Specifications

Compression springs are the type of open coiled helical springs, which are designed to oppose the compression set along the wind axis. The compression springs are either fitted inside a hole or placed on a rod. When a load is applied on a compression coil spring, it tries to push back the load, and attains its original length. These springs offer excellent resistance against the linear compressing forces, which makes them one of the energy efficient devices. SMSC provides helical compression springs in various forms and cross sections for linear applications. All our compression springs are manufactured to the highest quality standards.

Capabilities

At SMSC, we provide industrial springs in the following specifications:

 

Diameter .10 to 6.00 in 2.54 to 152.4 mm
Free Length .25 to 120 inch 6.35 to 3048 mm
Wire Size .010 to .375 in .254 to 9.525 mm
Direction of Winding Right Hand Left Hand Optional
Loop Types Machine Hooks Extended Single Full Loop
Side Hooks Cross Over Double Full Loop
Material Beryllium Copper Music Wire Inconel
Chrome Silicon Chromium Vanadium Phosphor Bronze
Stainless Steel 302 Stainless Steel 304 Stainless Steel 316
Finish

 

Plain Black Oxide Painted
Cadmium Passivate Zinc Gold
Zinc Silver

 

Compression Spring Shape Types

We can provide helical compression springs in various shapes. However, custom designs may have various shapes depending on the applications. Some of the common shapes include:

  • A conical compression spring is distinguishable due to its conical shape with reduced spring radius.
  • An hour glass compression spring is tightly tapered towards the center, and outer coils have large diameter.
  • The barrel shaped compression spring are distinguishable due to their wider shape towards the center, and reduced towards the ends.
  • The reduced ends are straight across the center coils, and are tapered towards the ends.

Compression Spring End Types

We provide compression helical springs in the following end types:

  • Open Ends: In this types of springs, the coils are consistent throughout with no pitch change.
  • Closed Ends: The ends are not grounded, and end coil pitch is reduced, which means end coils do not touch each other.
  • Open and Ground Ends: The last coil of the spring is flat in appearance with a less parallel end.
  • Closed, Squared, and Ground Ends: The last coil is not flat in appearance, and has less parallel ends.

Stock Compression Springs

Each of the following stock compression spring types are manufactured within appropriate stress levels.

  • Round Wire Compression Springs: These compression springs are inexpensive, efficient, and reliable. Hence, are considered ideal for general purpose applications. We provide these springs in various material constructions.
  • High Performance Compression Springs: The compression springs are designed to offer high performance, and are provided in various configurations, and sizes. The ends of these springs are squared, and grounded. These springs are ideal for applications up to 220 °C or 425 °F.
  • Heavy Duty Compression Springs: These springs are designed for heavy duty applications. SMSC’s heavy duty compression springs have rectangular cross section with rounded corners. The spring ends are ground, and squared flat. We offer these springs in quality chrome silicon steel alloys to ensure maximum life. Our stainless steel compression springs are well-known for their load bearing capacity. Conical heavy duty compression springs are one of the popular items in this category.
  • Continuous Length Compression Springs: These are basically long length springs, which are cut to desired length for prototyping, as well as maintenance uses.

To know more about custom open coiled helical springs, please contact us at the earliest. You can call us on our toll-free number 800-330-2460, or mail us your requirements for open wound compression springs at smsc@windstream.net.


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Stainless Steel Springs

Stainless Steel Springs

Stainless Steel Springs

Nowadays, stainless steel is being used increasingly in manufacturing springs. This material is strong and robust, and does not stain or corrode easily even in harsh environments. In addition to this, certain alloys of stainless steel offer better resistance to high temperature. Precipitation hardening (PH), martensitic, austenitic, duplex, and ferritic are a few types of stainless steel. Out of these types, austenitic and precipitation hardening (PH) are used for making springs. SMSC is well-known for providing standard and custom stainless steel springs to its clients in across various industrial segments. We provide custom springs in variety of stainless steel grades such as 316, 302, and 17-7.

Properties of Stainless Steel Springs

The following properties will help our customers understand which spring meets their requirements.

  • Grade 316: This grade is represented by the chemical formulation: Fe, <0.03% C, 16-18.5% Cr, 10-14% Ni, 2-3% Mo, <2% Mn, <1% Si, <0.045% P, <0.03% S. The 316 grade stainless steel consists of 2.0 to 3.0% molybdenum, which makes the material highly resistant to marine atmosphere. This is why, 316  grade is considered marine grade and widely employed in marine projects. The steel 316 is 85% non-magnetic with temperature operating range up to 550 oF (228 oC). This grade is ideal for aggressive environments. 316 stainless steel material can resist alkalis, salts, and most chemicals. Furthermore, this grade of stainless steel has a high creep strength at high temperatures. We provide 316 stainless steel springs to manufacturers in oil and gas, marine, and refinery industries.
    • These springs are used in a number of diverse applications in various industries, such as:
    • Heat Exchangers
    • Pharmaceuticals
    • Semi-conductors
    • Food Processing & Handling
    • Aerospace Products
    • Consumer Products
    • Medical Products & Processes

    These springs are cleaned and passivated ultrasonically. The wire sizes of 316 stainless steel springs vary from 0.006″ to 0.072″.

  • Grade 302: These springs are resistant under temperatures as high as 550 oF (228 oC). This grade comprises chromium, nickel, manganese, carbon, and silicon. The grade 302 is used for designing conical compression springs at cryogenic temperatures. The grade 302 springs can easily resist corrosion, and can perform even in harsh environments, where they may come in contact with chemicals, solvents, and acids. Type 302 grade stainless steel springs are used in applications such as medical, food process, dairy, etc.
  • Grade 17-7: The springs made from this grade can withstand high temperatures than stainless steel 316 or 302. The springs made from this alloy can withstand temperatures up to 650 °F (343°C). The minerals in this composition are chromium, nickel, and aluminum. This grade possesses valuable property combinations such as high strength, hardness, good formability, excellent corrosion resistance, and minimal distortions. These springs are used in extreme environments such as petrochemical and chemical processing, energy industry, automotive applications, etc.

Types of Stainless Steel Springs

Our customers can order any of the following spring products made from stainless steel.

Benefits of Using Stainless Steel Springs

Customers can accrue immense benefits by using springs made from stainless steel.

  • Improved resistance to corrosion
  • Easy to Clean
  • Resistance to High Temperatures
  • Excellent Aesthetic Appeal
  • Better structural integrity
  • Great Product purity
  • Ideal for High Temperature and Moist Environments

We provide springs in other material constructions and specifications. To know more about our stainless steel springs, you can contact us on our toll- free number 800-330-2460 or send us an email at smsc@windstream.net. You can Request a Quote to place your order.

Musical wire Springs

Music Wire Springs

The Material of Choice for Corrosive Environments

Music wire is a high-carbon steel alloy, which finds its major use in manufacturing springs. It is known to offer uniform and high tensile strength, and high elastic limit. Due to this, a music wire can endure high stress, still delivers outstanding performance under several normal recurring applications. SMSC has an array of different types of springs  made from this material.

Music Wire Springs Specifications

We have music wire springs of following specifications available with us:

Maximum Working Temperature 250°F
Weight (per cubic centimeter) 7.85 gm.
Electrical Conductivity 8-12% copper
Minimum Tensile Strength (psi x 103) 230-399
Rockwell Hardness 42-46C
Density (lb/in3) 0.284
Plating Material Copper, Bright Zinc, Zinc Phosphate , Dichromate, Black Oxide , Cadmium , Nickel , Tin-Lead , Tin

Chemical Composition of Music Wire Springs

The chemical composition of these music wire springs are as follows

Content Percentage
Carbon 0.70 – 1%
Silicon 0.10 – 0.30%
Manganese 0.20 – 0.60%
Sulfur 0.030 max.
Phosphorus 0.025 max.

Properties of Music Wire Material

Music wire is a carbon-steel alloy. This material has some really exceptional properties, because of which they are widely used in spring manufacturing industry. Here are some of the important properties of the material:

  1. The carbon-steel alloy has high and uniform tensile strength
  2. It has a high shock load ability
  3. The alloy shows excellent fatigue properties
  4. Carbon-steel can undergo electromechanical, as well as non-electromechanical process

Advantages of Music Wire Springs

These types of springs offer several advantages. Some of them are as listed below:

  • A music wire spring can survive a considerable stress due to its high tensile strength
  • These springs are extremely versatile and can be used for a wide range of applications
  • As music wire is a single piece, it eliminates the chances of unraveling
  • These springs can fit into tight spaces, owing to its flexible nature

Applications

Due to its numerous advantages, music wire springs are widely used in various applications, which include:

  1. Small Aircraft Landing Gears
  2. Scaffold Cross-Bracing
  3. Antennas
  4. Surgical Instruments
  5. Musical Instruments
  6. Radio-Controlled Aircraft Engines

We are known to keep the design requirements of our customers at the forefront of operations. This helps us to serve our wide customer base in a better way. For all your queries as well as design requirements related to music wire springs, you can get in touch with us at smsc@windstream.net. You can also give us a call on our toll free number 800-330-2460.


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Heavy Duty Torsion Spring

Torsion Springs

Wide Variety of Standard & Custom Torsion Springs

Torsion springs are helical springs  that exert a rotary force. The ends of a these springs are connected to other components. As the components start to rotate around the center of the spring, the torsion spring exerts an equal force to push them back to their initial position. These springs are subjected to bending stress instead of torsional stress, and are capable of storing and releasing angular energy. They can hold a mechanism in place statically by deflecting the legs by the center-line axis of its body. SMSC provides regular custom torsion springs, as well as heavy duty torsion springs to suit your design requirements.

Specifications:

Following are the specifications of torsion springs:

Length of Legs up to 24 in up to 609.6 mm
Wire Size .010 to .375 in .254 to 9.525 mm
Direction of Winding Right Hand Left Hand
Material Beryllium Copper Music Wire
Inconel Chrome Silicon
Chromium Vanadium Phosphor Bronze
Stainless Steel 302 Stainless Steel 304
Stainless Steel 316
Finish Plain Black Oxide
Painted Cadmium
Passivate Zinc Gold
Zinc Silver

Parameters:

Here are some of the parameters of torsion springs:

  1. Outer Diameter: The outer diameter of the spring is specified when it is required to fit into a circular hole with enough exterior clearance for operating freely. It is also specified in case of any outer housing clearance issues.
  2. Inner Diameter: The inner diameter of the spring is specified if the spring is required to slip over a mandrel with necessary clearance for operating freely.
  3. Spring Length: The spring length is the length of a spring coil.
  4. Wire Diameter: Wire diameter is the diameter of a spring wire.

Performance factors:

  1. Spring Rate: Spring rate is the angular return torque provided per unit of angular displacement.
  2. Maximum Deflection: Maximum deflection is the maximum rated angular deflection of spring before damage.
  3. Wind Specifications: The wind of the spring can be right hand, left hand, or double torsion.
  • Left Hand Wind: Wound in a left-hand configuration.
  • Right Hand Wind: Wound in a right-hand configuration.
  • Double Torsion Wind: It refers to one left hand and one right hand wind on the same spring, typically with the unwound section in between the winds. The two legs of the spring are on the same side.

Configurations

Our helical torsion springs are designed for rotary actuation. These springs provide an angular return force too. These springs are offered in various leg configurations, which enable their attachment in different ways. The leg specifications to consider for torsion springs include leg end style, leg angle, and equal leg length.

Helical torsion springs that are parallel or straight on the same side have 0° leg angle, and their angle increases in the direction of unwinding. Some of the leading leg end styles include the following:

  • Straight Torsion
  • Straight Offset
  • Hinged
  • Short Hook Ends

Torsion springs can be hooked, bent, twisted, and looped to meet your application requirements. We provide torsion springs in a choice of 360°, 300°, 270°, 210°, 180°, 120°,  90°, and free leg position.

Benefits of Torsion Springs:

Some of the major benefits of these springs are as follows:

  • Durable
  • Easy to adjust
  • Relatively small
  • Great automatic levelling

Applications:

These types of springs are commonly used in:

  • Clothes pins
  • Clipboards
  • Swing-down tailgates
  • Garage doors
  • Hinges
  • Counterbalances
  • Lever return applications

At SMSC, we make sure to fulfill our clients’ industrial requirements on time. We provide competitive price benefits on all our products. To know more about our standard and custom torsion springs or other industrial springs in our selection, please contact us on our toll- free number 800-330-2460, or send us an email at smsc@windstream.net. Alternatively, you can Request a Quote to know more.


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Precision Mechanical Springs

Precision Mechanical Springs

Precision Mechanical Springs for Critical Applications

A mechanical spring is a metal wire spring functioning in a mechanism, which slides, rotates, extends, compresses, pulls, and exerts force, when equal or higher force is applied to it. A spring mechanism can exert rotational force, pressure, or pulling strength in a number of ways. These types of springs are coiled products that come in a wide range of forms and cross sections, and can be customized. SMSC manufactures these springs, which can be used for important applications in industries such as oil and gas, military, and aerospace, and many more. With the help of precision engineering, it becomes easier to manufacture cutting-edge products.

Types of Precision Mechanical Springs and their Features:

Let us take a look at different types of precision mechanical springs and their features:

  Diameter Free Length Wire Size Direction of Winding Loop Types Length of Legs
Torsion Spring .254 to 9.525 mm Left Hand

Right Hand

up to 609.6 mm
Compression Spring 2.54 to 254mm 2.54 to 3048 mm .254 to 15.875 mm Left Hand

Right Hand

Optional

Extension Spring 2.54 to 152.4 mm 6.35 to 3048 mm .254 to 9.525 mm Left Hand

Right Hand

Optional

Machine Hooks

Crossover

Single Full Loop

Double Full Loop

Side Hooks Extended

 

Materials used for Mechanical Springs:

Following are the most commonly used materials for precision engineered springs:

At SMSC, you can get customized springs for your design requirements. The professionals at SMSC always work towards fulfilling clients’ industrial requirements on time. To know more about the different types of springs that we offer, and about customization, please feel free to contact us on our toll-free number 800-330-2460. You can also send us an email at smsc@windstream.net, or Request a Quote.

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