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GB/T 8162-2018 42CrMo Seamless Structure Tube

GB/T 8162-2018 42CrMo Seamless Structure Tube

The GB/T 8162-2018 standard specifies seamless steel tubes for general structural purposes. The 42CrMo alloy steel pipe under this standard offers high strength, good toughness, and excellent wear resistance. It is widely used in machinery, automotive, and engineering applications where high load-bearing capacity and durability are required. Heat treatment (quenching & tempering) enhances its mechanical properties, making it suitable for critical structural components.

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Product Name:
GB/T 8162-2018 42CrMo Seamless Structure Tube
Standard:
GB/T 8162-2018; GB/T 3077-2015;GB/T 17395-2022
Grade:
42CrMo
Thickness:
3-75mm
Section Shape:
Round
Outer Diameter:
32-630mm
Place of Origin:
Baotou, China(Mainland)
Usage:
Construction, Machinery, Engineering projects
Surface Treatment:
Hot Rolled
Tolerance:
OD: 32-50mm ±0.5mm; 50-630mm ±1.0%D WT: ≤3mm ±12.5%S; >3mm ±10%S
End:
Plain, beveled, or customized
End Protector:
Plastic pipe caps,iron protector or customized
length:
3-12m or customized
Brand:
Baotou steel
Delivery Time:
Normally within 30-45 days and according to the quantity.

Chemical Component(GB/T 8162)

GradeTypeCMnMoCrNiCuPSSi
MinMaxMinMaxMinMaxMinMaxMaxMaxMaxMaxMax
42CrMo0.450.800.251.200.37

Mechanical Performance(GB/T 8162)

GradeTypeTotal under load

Elongation

%

Yield StrengthTensile StrengthHardnessSpecified

OD

 

mm

Allowable hardness

Variation

MinMaxMinHRCHBWHRC
42CrMo129301080