Seamless cold-drawn precision pipe is a high-precision, high-brightness seamless steel pipe material produced by cold drawing or cold rolling. The inner and outer diameters of this pipe can be accurate to within 0.2mm, ensuring its bending and torsional strength while being light in weight, so it is widely used in the manufacture of precision mechanical parts and engineering structures.
The main advantages of seamless precision steel pipes include no oxide layer on the inner and outer walls, high pressure without leakage, high precision, high finish, no deformation after cold bending, expansion, and no cracks after flattening.
| Product Name |
Standard |
Grade |
Size Range
O.D. mm |
Usage |
| Seamless Cold Drawn Precision Tubes |
JIS G3445 |
STKM 11A, STKM 12A, STKM 12B, STKM 12C, STKM 13A, STKM 13B, STKM 13C, STKM 15A, STKM 15C, STKM 17A, STKM 17C, STKM 18A |
6.00 to 88.90 |
Mechanical and Automobile Precision Tubes |
| DIN2391 |
ST35, ST45, ST52 |
6.00 to 76.00 |
Seamless Precision Tubes |
| ASME/ ASTM SA/A519 |
SAE1010,
SAE1020,
SAE1025,
SAE1026,
SAE1035,
SAE1045,
SAE4130
|
6.00 to 340.00 |
Mechanical Precision Tubes |
| EN10305-1 |
E215, E235, E335 |
6.00 to 340.00 |
Hydraulic Pressure Equipment |
| ISO8535-1 |
ST35, ST37, ST52 |
6.00 to 16.00 |
High Precision High Pressure Fuel Pipes |
| Cold Drawn Welded Precision Tubes |
ASTM A513 |
MT1010, 1015, 1020 |
21.70 to 90.00 |
Automobile Shock Absorber Cylinder, Front and Rear Axle Structural Purpose,
Director Tubes, Engine Hydraulic Tubes
|
| EN10305-2 |
E215, E235, E335 |
10.00 to 90.00 |
| DIN2393 |
S215, S235, S355 |
10.00 to 90.00 |
| DIN2394 |
S215, S235, S355 |
10.00 to 90.00 |
Cold drawn Precision Tubes (Cold Rolled Precision Tubes)
Precision Cylinder Tubes, Honed Tubes.
Size: Outside Diameter: 6mm – 340mm, Wall Thickness: 1mm – 50mm
Standard: DIN2391, DIN2394, ASTM A519, JIS G3445 STKM
Application: used for Air Cylinder and Oil Cylinder, Oil Inlet Tubes and Gas Spring Tubes on Automobile, Bushing
Tubes.
Seamless cold drawn precision tubes and pipes are widely used for machine structural purpose, automobile, and hydraulic pressure equipment.
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