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20Mn 25Mn Q275 Q295 Cold rolled Seamless Steel Tube GB/T 8162

Minimum Order Quantity : 5 Ton Price : negotiable
Packaging Details : Packing in wooden, hexagonal box or other seaworthy ways Delivery Time : 30 days
Payment Terms : T/T L/C D/P D/A WesternUnion MoneyGram Others Supply Ability : 60000 Ton/Year
Place of Origin: China Brand Name: Torich
Certification: ISO 9001 ISO14001 TS16949 Model Number: GB/T 8162

Detail Information

Product Name: Seamless Steel Tubes For Structural Purpose Material: Carbon Steel Alloy Steel
Produce Method: Hot Rolled,Cold Rolled Or Cold Drawn OD: 3-420mm
WT: 0.5-50mm Length: 3000-12500mm
Application: Mechanical And Structural Purpose Type: Seamless
High Light:

seamless steel pipe

,

precision stainless steel tubing

Product Description

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 .

Spec WT/mm Straightness/mm/m
below 15mm 1.5 max
15-30mm 2.0 max
above 30mm and D above 351mm 3.0 max

 

Inspection test.

1.Hardness test

2.Impact test

3.Flattening test

4.Bending test

5.Visual Surface check

7,Nondestructive test

 

 

 

20Mn 25Mn Q275 Q295 Cold rolled Seamless Steel Tube GB/T 8162 0  20Mn 25Mn Q275 Q295 Cold rolled Seamless Steel Tube GB/T 8162 1

 

20Mn 25Mn Q275 Q295 Cold rolled Seamless Steel Tube GB/T 8162 2  20Mn 25Mn Q275 Q295 Cold rolled Seamless Steel Tube GB/T 8162 3

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