Seamless Cold Drawn Steel Carbon Pipes
Cold drawn seamless prevision pipe
What is cold drawn steel pipe?
Cold drawn steel pipe is a steel pipe with no seams on the surface of the entire steel pipe produced by drawing, extrusion, perforation and other methods. It is a round, square, or rectangular steel material with a hollow cross-section and no seams around it. It is made of steel ingots or solid tube blanks that are perforated to make capillary tubes, and then cold drawn.
Cold-drawn carbon steel pipes are precision cold-drawn seamless pipes with high dimensional accuracy and good surface finish used in mechanical structures and hydraulic equipment. The use of precision seamless pipes to manufacture mechanical structures or hydraulic equipment can greatly save machining hours, improve material utilization, and at the same time help improve product quality.
High-quality carbon structural steel cold-drawn seamless pipes are mainly made of No. 10 and No. 20 steel. In addition to ensuring the chemical composition and mechanical properties, hydrostatic tests, curling, flaring, flattening and other tests are required.
Cold drawn specifications
Common specifications of cold drawn seamless steel pipes: 12mm 14mm 18mm 20mm 25mm 28mm 30mm 32mm 35mm 38mm 40mm 42mm 52mm.
| 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 rolled precision seamless steel pipe
Size: Outside Diameter: 6mm – 340mm, Wall Thickness: 1mm – 50mm
Standard: DIN2391, DIN2394, ASTM A519, JIS G3445 STKM ,ASTM A179
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.
GNEE has open-air and indoor warehouses with a total storage capacity of up to 20,000 tons. On this basis, we seek to establish mutually beneficial cooperative relationships with overseas customers, and you are always welcome to contact us for more details.
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