20Mn 25Mn Q275 Q295 Cold drawn and Cold rolled Seamless steel tubes for structural purpose GB/T 8162

20Mn 25Mn Q275 Q295 Cold drawn and Cold rolled Seamless steel tubes for structural purpose GB/T 8162

Torich produce seamless steel tubes as per standard GB/T 8162 applying in Mechanical contructure and general purpose of structure. produced by cold drawn and cold rolled with carbon and alloy steel,Like 10,20,20Mn,25Mn,20Cr,40Cr 15CrMo 45Mn2 etc.

Detail spec:

Size range: OD 3-420mm WT 0.5-50mm L:3-12.5m

Material:Carbon steel:10,20,45,25Mn,Q295,Q345,40Mn2,20Cr,40Cr,15CrMo etc.

Alloy steel:40Mn2,20Cr,40Cr,15CrMo etc

Delivery condition: Heat treatment Annealing ,Normalising,Tempering.

If not specificate from customer ,We will as per below Tolerance .

OD +/-1%OD or 0.30mm

WT below 3mm :+15%S ,-10%S or +/-0.15mm

above 3mm:+12.5% Sor -10%S

Length below 6000mm:+10mm,0

above 6000mm:+15mm,0

If not specificate from customer ,We will as per below straightness .

Inspection test.

1.Hardness test

2.Impact test

3.Flattening test

4.Bending test

5.Visual Surface check

7,Nondestructive test

Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.

Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes

Steel Grade:
Carbon Steel Grade:
ST35.8, ST37.0, ST44, ST52;
E155, E195, E215, E235, E275, E355;
195GH, P235GH, P265GH, P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2;
SAE1010, SAE1020, SAE1026, SAE1035, SAE1045;
Carbon steel tube: SA178, A179, A192, A210, SA213, SA214, etc.

Alloy Steel Grade:
T2, T5, T9, T11, T12, T17, T21, T22, T91,T92, 15Mo3,16Mo3, 13CrMo44;
SAE4130, SAE4140, 40Cr, 40Cr4, 10CrMo910, 12CrMo910, 11CrMo910,
25CrMo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20MnV, 20MnV6,20CrMn;
Carbon steel tube:A179,A192,A210,DIN17175,etc.