Product Details

Aisi 4140 seamless steel pipes

steel type:alloy steel

We are a company specializing in the production of precision cold rolled and cold drawn seamless steel tube plant, is one of the biggest local factory.

Our products are widely used in automobile and parts manufacturing, agriculture, equipment manufacturing, machinery manufacturing and other industries, the production product diameter less than 80 mm, can according to customer request or drawing production, to meet customer special needs.

Our client is a large car manufacturing company, domestic machinery and equipment companies, etc.

We develop new seamless steel tube for many customers, including: lemon shape, triangle, trapezoid, elliptic, gear type, flower type, hexagonal, etc used for agricultural equipment and auto production of seamless steel pipe. Can design production according to customers drawings or samples.

Welcome to visit our factory, hope to have the opportunity to cooperation.

4140 steel :tensile strength>1030Mpa yeild strength>835Mpa

ASTM A519

Chemical Composition

Grade	C %	Si %	Mn %	P %	S %	Mo %	Cr %
1020	0.18-0.23	/	0.30-0.60	0.040 max	0.050 max	/	/
1025	0.22-0.28	/	0.30-0.60	0.040 max	0.050 max	/	/
1035	0.32-0.38	/	0.60-0.90	0.040 max	0.050 max	/	/
1045	0.43-0.50	/	0.60-0.90	0.040 max	0.050 max	/	/
4130	0.28-0.33	0.15-0.35	0.40-0.60	0.040 max	0.040 max	0.15-0.25	0.80-1.10
4140	0.38-0.43	0.10-0.35	0.75-1.00	0.040 max	0.040 max	0.15-0.25	0.80-1.10

Packaging & Shipping