AISI 4140 Alloy Steel Round Bar with High Fatigue Strength Abrasion Impact Resistance and Torsional Strength

Price Negotiable
Price: US $680-1,350 / Ton
MOQ: 1 Ton
Delivery Time: Negotiable
Product Description
ASTM A322 SAE4140 Steel Round Bar with H9/H11 Tolerance
AISI 4140 Alloy Steel Round Bar

Alloy steels are designated by AISI four-digit numbers and comprise different kinds of steels, each with compositions exceeding the limitations set for carbon steels. AISI 4140 alloy steel is a chromium-, molybdenum-, and manganese-containing low alloy steel known for its high fatigue strength, abrasion and impact resistance, toughness, and torsional strength.

Product Specifications
Product Name 4140 Alloy Steel Round Bar
Length Custom-made to any size
Width Custom-made to any size
Thickness Custom-made to any size
Thickness Tolerance ±0.15mm
Standards AISI, ASTM, DIN, JIS, GB, SUS, EN, etc.
Manufacturing Technique Hot rolled / Forged / Cold drawn
Surface Treatment Clean / Black rough / Milled / Grinding / Painting, etc.
Chemical Composition
Grade C Si Mn Cr Mo P S
4140 0.38-0.43 0.15-0.35 0.75-1.00 0.80-1.10 0.15-0.25 ≤0.035 ≤0.040
Available Materials
  • 3Cr2Mo / 1.2311 / 1.2312 / P20 / 1.2738 / 718H / P20+Ni / 1.2316 / 1.2083 / 4Cr13
  • SUS420J2 / 420 / S136 / NAK80 / H13 / 1.2344 / SKD61 / 5CrNiMo / SKT4 / 1.2714
  • Cr12 / D3 / 1.2080 / Cr12MoV / D2 / 1.2379 / SKD11 / 9CrWMn / O1 / 1.2510 / SKS3 / DC53
  • 40Cr / 5140 / 35CrMo / 42CrMo / 4140 / 1.7225
  • C45 / C50 / 1045 / 1050 / S50C / S45C / T10 / T8
  • M2 / 1.338 / SKH51
  • Custom-made materials available
Ordering & Shipping Information
Minimum Order Quantity 1 ton to 25 tons (sample orders accepted)
Shipping Time 15-20 days after receiving deposit or L/C
Export Packaging Standard export seaworthy package / Wooden box package
Production Capacity 12,000 tons per year
Product Images
AISI 4140 alloy steel round bar product display Close-up view of 4140 steel round bar surface finish 4140 alloy steel round bar manufacturing and quality inspection

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person Gao Ben

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