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ASTM SAE1055 Steel Wire
SAE 1055 is a high-carbon steel wire with good strength, hardness, and moderate ductility. It is commonly used in springs, cables, fasteners, and other applications requiring high tensile strength.
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Product Parameters

Chemical Composition (Weight %)

ElementC (%)Mn (%)P (max, %)S (max, %)Si (%)Fe (%)
SAE 10550.50-0.600.60-0.900.040.050.15-0.35Balance

Physical & Mechanical Properties

PropertyValue
Density7.85 g/cm³
Melting Point~1420-1460°C
Tensile Strength (Cold Drawn)700-1200 MPa
Yield Strength~550 MPa (annealed)
Elongation at Break~10-15% (cold-drawn)
Hardness (Rockwell)HRB 80-100 (annealed), HRC 35-45 (hardened)
Modulus of Elasticity~200 GPa

Equivalent Standards

StandardEquivalent Grade
ASTMA510 (1055)
DINC55 (1.0535)
JISSWRH 52A / SWRH 52B
ISO1055 (Type C55E)
ENC55E (1.1203)

Processing & Heat Treatment

Cold Drawing: Improves strength and surface finish.
Annealing: Softens the wire for further forming (heated to ~700°C, slow cooling).
Quenching & Tempering: Heated to ~800°C (oil quenched), then tempered at 300-600°C for toughness.
Spheroidizing: Improves machinability (heated below critical temperature).

Packaging

Coiled on spools or in bundles (100-500 kg).
Protective coatings (oil, phosphating) to prevent rust.
Wooden or steel pallets for heavy coils.

Applications

Springs (coil, torsion, leaf).
Wire Ropes & Cables (lifting, rigging).
Fasteners (high-strength bolts, screws).
Cutting Tools (knives, blades).
Automotive Parts (shafts, gears).
Agricultural Machinery (plows, harrows).
Product Display

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Product Application

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Product Packaging

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Factory Display
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FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

Q:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q:How can I get a quotation from you ?

A:You can leave us message, and we will reply every message in time. Or we may talk on line.

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.

Q:What are the advantages of your company?

A:（1）More Than 30 year's Experience

（2）The company is a modern steel enterprise group integrating precision manufacturing, spot warehousing, international logistics, and product deep processing.

（3）World-class production equipment, product quality that meets international certifications, and timely and thoughtful after-sales service

（4）Never stop product research and development and innovation to create high-quality products that meet the global standards.

（5）Integrity business philosophy, the highest quality products, the most reasonable prices, and a global marketing network.

Q:How do we trust your company?

A:We specialise in steel business for years as golden supplier on Alibaba, headquarter locates in liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in Alibaba with trade assurance which could secure your payment.

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