STANDARDS

GB 3639

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

GB 8163

Seamless Steel Tubes for Liquid Service

DIN 2931

Seamless Precision Steel Tubes

GB 14976

Seamless Stainless Steel Pipes for Fluid Transport

EN 10305-1

Steel Tube for Precision Applications.

EN10305-2

Cold Drawn Steel Tubes for Precision Applications

Inside Diameter Size:

20-1000mm

Length:

14mMax

Process:

Cold-drwan, Honed or Roller Burnished

Straightness:

0.3/1000mm

Roughness:

0.3µmMax

Tolerance:

ISO H8 H9

Steel Grade:

CK20, CK45, C45E, ST45, ST52, E255, E355, Grade 45, S45C, ,ST52.3, ASTM 1020, ASTM 1045, AISI 4140 , 42Crmo4, 25Crmo4, ASTM 4130, SCM420, STKM14A, ASTM A333 GR.6, 16MnDG, STPL380, S355J2 or to orders

Application：

Hydraulic Cylinders, Hyraulic Oil Cylinders,Auto parts, Motorcycle accessories, Engineering machines, Packaging machines, Woodworking machines, Textile machines, Printing and Dyeing machines, Die-casting machines, Injection Molding machines etc.

Delivery Conditions:

+C/+N

Mainly Products:

St45 CK20 SAE 1020 Cylinder Tubes, St52 E355 Cylinder Tubes, St52-3 Cylinder Tubes, SAE 1020 Cylinder Tubes,SAE 1045 Cylinder Tubes, SAE 1045 Cylinder Tubes, E355 St52.3 Cylinder Tubes, E235 Cylinder Tubes ,Titanium alloy cylinder tubes