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SAE1018B Steel Wire
SAE1018B is a low-carbon, cold-drawn steel wire with excellent machinability and weldability. It is commonly used in applications requiring moderate strength and good ductility. The "B" suffix indicates boron treatment, which enhances hardenability.
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Product Parameters

Chemical Composition

ElementComposition (%)
Carbon (C)0.15–0.20
Manganese (Mn)0.60–0.90
Phosphorus (P)≤ 0.040
Sulfur (S)≤ 0.050
Boron (B)0.0005–0.003 (trace)
Iron (Fe)Balance

Physical & Mechanical Properties

Tensile Strength420–790 MPa (varies with cold work)
Yield Strength350–550 MPa
Elongation (at 50 mm)10–20%
Hardness (Brinell)121–183 HB
Density7.87 g/cm³
Melting Point~1,500°C (2,732°F)
Thermal Conductivity49–54 W/m·K
Electrical Conductivity~10% IACS

Processing & Manufacturing

Cold Drawing:
Wire rods are drawn through dies to reduce diameter and increase strength.
Improves surface finish and dimensional accuracy.
Annealing:
Optional soft annealing to restore ductility after cold working.
Surface Treatment:
Phosphating or oil coating for corrosion resistance and improved formability.
Heat Treatment:
Boron enhances response to case hardening (e.g., carburizing).

Packaging

Coils: Typically wound on spools or in baskets (weights vary by customer requirements).
Protection: Anti-rust oil or PVC coating to prevent corrosion.
Strapping: Secured with steel straps or plastic wraps for transport

Applications

SAE1018B is widely used in industries requiring precision and moderate strength:
Fasteners: Bolts, screws, and rivets.
Automotive: Clutch springs, brake cables, and welding wire.
General Engineering: Shafts, pins, and bushings.
Wire Forms: Springs (after heat treatment), hooks, and clips.
Construction: Mesh, nails, and fencing.

Standards & Equivalents

SAE J403 (U.S. Standard)
ASTM A510 (Cold-Drawn Carbon Wire)
EN 10270-1 (Equivalent to European grades like C15E).

Advantages

Excellent cold-forming properties.
Good weldability (suitable for gas/arc welding).
Cost-effective for mass production.
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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