GB/T 8162 40Cr seamless steel pipe for structural purpose

Standard: GB/T 8162

We are specialized in supplying our valuable customers with excellent quality GB/T8162 40Cr seamless steel pipe with large stock. The company insists on high quality product, efficient service, quality consciousness and service consciousness to carry out to each link. With high quality, competitive price, timely delivery to win the recognition and trust of many customers.

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GB/T 8162 seamless pipe grades: 20Cr, 40Cr, 20CrMo,27SiMn, 35CrMo, 42CrMo

GB/T 8162 40Cr steel pipe composition(%)

Grade	C	Si	Mn	Cr
40Cr	0.37-0.44	0.17-0.37	0.50-0.80	0.80-1.10

GB/T 8162 40Cr steel pipe mechanical properties

Grade	Tensile strength [min, Mpa]	Yield strength [min, Mpa]	Elongation [%,min]
40Cr	980	785	9

Outside Diameter & Tolerance

Types	Tolerance, mm
Hot rolled pipe	±1%
Cold drawn pipe	±0.75%

Wall thickness & Tolerance of cold drawn 40Cr pipe

Wall Thickness (S) , mm	Tolerance
≤3	±15%, -10%
3＜S≤10	±12%, -10%
S>10	±10%

Our GB/T 8162 40Cr seamless steel pipes are supplied in cold drawn and hot rolled steel pipe. These pipes are mainly used for mechanical properties and general engineering purposes.

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