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

Minimum Order Quantity	1 Ton
Price	US $680-1,350 / Ton

Product Details

Model Number	4140	Surface Treatment	Polished
Alloy Type	Alloy	Special Use	Mold Steel
Diameter Range	OD 6-630mm	Chemical Composition C	0.38-0.43
Chemical Composition Si	0.15-0.35	Chemical Composition Mn	0.75-1.00
Chemical Composition Cr	0.80-1.10	Chemical Composition Mo	0.15-0.25
Chemical Composition P	≤0.035	Chemical Composition S	≤0.040
Thickness Tolerance	±0.15mm	Material Standards	AISI, ASTM, DIN, JIS, GB, SUS, EN
Technique	Hot Rolled/forged/cold Draw
Highlight	High Fatigue Strength 4140 Steel Round Bar , Abrasion and Impact Resistance AISI 4140 Alloy Steel Round Bar , Torsional Strength SAE4140 Steel Round Bar

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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

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

High Fatigue Strength 4140 Steel Round Bar

Abrasion and Impact Resistance AISI 4140 Alloy Steel Round Bar

Torsional Strength SAE4140 Steel Round Bar