AISI 4140 ASTM 42CrMo4 Steel Round Bar

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Loading Port:
China main port
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Min Order Qty:
30 m.t.
Supply Capability:
10000 m.t./month

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Item specifice:

Type: Alloy Steel Shape: Steel Round Bar

Product Description:

AISI 4140 ASTM 42CrMo4 Steel Round Bar  

Product Information:

Material: AISI 4140 hot rolled alloy steel bar

Diameter: 10mm-300mm

Length: 3000mm-12000mm Straightness: 3mm/M max

Process: EAF + LF + VD +rolled + Heat Treatment (optional)

Delivery condition: Hot rolled + rough machined (black surface after Q/T) + turned (optional)

Delivery Time: 30-45 days

MOQ: 25 tons

Heat treatment: Normalized / Annealed / Quenched / tempered

Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing

Test: Ultrasonic test according to SEP 1921-84 G3 C/c

Marking: Grade, heat NO, length will be stamped one each bar with required color

Application: Statically and dynamically stressed components for vehicles, engines and machines, parts of larger cross-sections, crankshafts, gears.

Product Overviews:

Product NameTypical GradesDiameter(mm)Standard adopted
Carbon Steel20 (1020/S20C/C22)Ø16-Ø300GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing SteelGCr9 (51100/SUJ1)Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel20Cr (5120/SCr420H/20Cr4)Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
Gear Steel20CrNiMoØ16-Ø600

Product Show:

AISI 4140 ASTM 42CrMo4 Steel Round Bar

Our Advantages:

· Industry experience over 20 years.

· Shipment of goods -More than 70 countries worldwide.

· The most convenient transport and prompt delivery.

· Competitive price with best service.

· High technical production line with top quality products.

· High reputation based on best quality products.


With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.

Communication, Experience, Expertise and Best efforts are our Promises to you.

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