4135/4140/4142/6150 Alloy Plate EN10083-3

OriginChina
Delivery Time≥7 days
DemandCustomizable
StandardASTM, AISI, JIS, GB, DIN, EN
MOQ 1 Ton

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Email: info@cjmstainlesssteel.com

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Product Description

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Inspection and Packaging

Product Overview

AISI 4140 steel plate is one of the most widely used chromium-molybdenum alloy steels, valued for its high strength, toughness, and excellent hardenability. It is supplied under multiple international standards such as ASTM A29 / A322 (4140), SAE 4140, and EN 42CrMo4, making it a highly versatile engineering material.

In addition to 4140, related grades such as 4135, 4142, and 6150 are also available, each providing specific mechanical advantages for heavy-duty components. For a deeper breakdown of 4140 steel properties, chemical composition, and equivalents, see our 4140 Steel Technical Guide.

Product Parameters

Product Name	4135/4140/4142/6150 Alloy Plate EN10083-3
Production Process	Hot Rolling, Cold Rolling
Material Standards	AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width	100mm-3000mm
Length	1m-12m, or Customized Size
Thickness	0.1mm-400mm
Delivery Conditions	Rolling, Annealing, Quenching, Tempered or Standard
Surface Process	Ordinary, Wire Drawing, Laminated Film

Chemical Composition

Brand	C	Si max	Mn	P max	S max	Cr	Mo	V
34CrMo4	0.3-0.37	0.40	0.6-0.9	0.025	0.035	0.9-1.2	0.15-0.3	–
42CrMo4	0.38-0.45	0.40	0.6-0.9	0.025	0.035	0.9-1.2	0.15-0.3	–
50CrMo4	0.46-0.54	0.40	0.5-0.8	0.025	0.035	0.9-1.2	0.15-0.3	–
51CrV4	0.47-0.55	0.40	0.7-1.1	0.025	0.025	0.9-1.2	–	0.1-0.25

Mechanical Properties

Thickness mm	Re min. N/mm2	Rm N/mm2	A min %	From min %	KVb min J
≤8	900	1000-1300	10	40	–
8-20	750	1000-1200	11	45	35
20-60	650	900-1100	12	50	35
60-100	550	800-950	13	50	35
100-160	500	750-900	14	55	35

Applications

4140 steel and related alloy steel plates are widely used in:

Heavy machinery: shafts, axles, gears, fasteners
Automotive & transport: crankshafts, transmission parts, connecting rods
Energy & oilfield: drill collars, turbine shafts, pressure parts
General engineering: high-load structural components, forged parts, tool steels

Steel product inspection CJM Steel Group Ltd

FAQ

Q: What is your company’s main products/services?

A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.

Q: Can I go to your factory for a visit?

A: Of course, we welcome customers from all over the world to visit our factory.

Q: What are your terms of payment?

A: 30% T/T deposite and 70% balance before shipment.

Q: What is your delivery time?

A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.

Q: Do you provide samples? Are they free or paid?

A: Samples are available for free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?

A:Yes, we fully accept ‌third-party inspections.

Q: Why should I buy from you not from other suppliers?

A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.

Q:How can you guarantee quality?

A: Always a pre-production sample before mass production;Always 100% inspected before shipment

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