STANDARDS

GB 3639

Seamless Cold-drawn or Cold-Rolled Steel Tubes for Precision Apllications

GB 3093

High-pressure seamless steel tubes for diesel engine

DIN 2931

Seamless Precision Steel Tubes

EN 10305-1

Steel Tube for Precision Applications ： Seamless cold drawn tubes

EN 10305-4

Steel Tube for Precision Applications ：Seamless cold drawn tubes for hydraulic and pneumatic power systems

GB 14976

Seamless Stainless Steel Tubess for Fluid Transport

GB 14975

Seamless Stainless Steel Tubes for structures

ASTM A519

Seamless Carbon Steel and Alloy Steel Mechanical Tube

OD Size:

4-60mm

Thickness:

0.5-10mm

OD Tolerance:

±0.05mm

Process:

Cold Rolled or Cold Drawn

Steel Grade:

CK20, CK45, ST35, ST45, ST52, E215, E235, E355, 20#, 45#, 16Mn, 42CrMo4, 25CrMo4, 4140, 41CR4,Stainless Steel TP304, TP316 or to orders.

Application：

Used in diesel engine, gasoline engine, automobile, machinery and hydraulic transmission, etc

Delivery Conditions:

+A,+N,+SR

Mainly Products:

Seamless Cold Drawn Steel Tubes,E235 Seamless Steel Tubes,CK45 Seamless Steel Tube,E355 Seamless Cold Drawn Steel Tubes