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Alloy Steel ASTM 4140 Round Bar

Estimate pricingPrice on request
Diameterf50-500 mm
Length2500-5000 mm
Hot Rolled Diameter50 mm
Hot Forged Thickness20 mm

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Products Description

Size of AISI 4140 (Can be Customised) Round Bar Diameter(mm): Hot Forged: f50-500 Length(mm):2500-5000 Hot Rolled:=50mm Steel Plate Thickness(mm): Hot Forged:=20mm Width(mm):20-810 mm Hot Rolled:=20mm Steel Type AISI GB W-Nr JIS 4140/B7 42CRMO4 1.7225 SCM440 Chemical Composition C Si Mn P S Cr Mo V 0.38-0.43 0.15-0.35 0.75-1.00 =0.030 =0.030 0.80-1.10 0.15-0.25 / Noted (1) Payment: 1.By confirmed, 100% valum irrevocable, letter of credit without recourse, Allowing partial shipment and transhipment, payable at sight presentation of shipping. 2.By T/T payment: 30% payment in deposited, 70% payment before shipment. (2) Delivery Time : 40 days after received the buyer's L/C or T/T deposite payment. (3) Delivery Port :Wuhan/Shanghai/Tianjin (4) Original Place : Hubei ,China . (5) Process: Electric furnace melted, forged and annealed, round bar turned. (6) Tolerance: Dia -0/+ 0~5mm, Thickness -0/+ 0~5mm, Width: -0/+ 0~10mm. (7) Hardness: Annealed HBS 217 max . (8) UT Test: SEP 1921/84/2 C/c class. (9) Allowance on quantity/weight: -/+ 10% per item. (10) Package: Seaworthy Packing.

Product Categories

Steel Bars

Products Specification

Diameterf50-500 mm
Length2500-5000 mm
Hot Rolled Diameter50 mm
Hot Forged Thickness20 mm
Width20-810 mm
Hot Rolled Thickness20 mm
Steel TypeAISI 4140/B7 42CRMO4 1.7225 SCM440
ProcessingElectric furnace melted, forged and annealed, round bar turned
ToleranceDia -0/+ 0~5mm, Thickness -0/+ 0~5mm, Width: -0/+ 0~10mm
HardnessAnnealed HBS 217 max
UT TestSEP 1921/84/2 C/c class
Allowance on quantity/weight-/+ 10% per item
PackageSeaworthy Packing

Supplier information

Basic member

Hubei Zhongcheng New Material Supply Chain Management Co., Ltd.

China

Business type - Contact Seller

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Alloy Steel ASTM 4140 Round Bar is a steel bar product. It also states the steel type as AISI 4140/B7, 42CRMO4, 1.7225, SCM440, and includes details on chemical composition, processing method (electric furnace melted, forged and annealed, round bar turned), tolerance, hardness (annealed HBS 217 max), UT test standard (SEP 1921/84/2 C/c class), allowance on quantity/weight (-/+ 10% per item), and seaworthy packaging.

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About Supplier

Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. for prices, specifications and documents for Alloy Steel ASTM 4140 Round Bar.

Supplier Details for Alloy Steel ASTM 4140 Round Bar

Member since - Oct 2026
Business Type - Contact Seller
Deals in Product Type - Steel Bars
Country - China

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