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- Place of Origin: china
- Brand Name: longyue
- Model Number: 60001
CK20 Cold drawn seamless steel tubeProduct DisplayProduct ParametersProcessing form Cylinder ID (mm) Length Straightness Tolerance on ID Wall thickness Inner hole roughness Cold Drawn 48~325 ≤ 12m
Products Specification:
As one of the professional ck20 cold drawn tube suppliers in China, it is waiting for you to wholesale ck20 cold drawn tube at low price form our factory.
Steel pipes can be used in many areas, such as Piling project, Heat-supply project, Conveying drinking water, drainage, coal gas, fuel gas, mine slurry and other low & middle pressure fluids, API5L Petroleum and natural gas pipeline, Chemistry industry, Electric power engineering circulating pipe and so on.
- Place of Origin: china
- Brand Name: longyue
- Model Number: 60001
Processing form | Cylinder ID (mm) | Length | Straightness | Tolerance on ID | Wall thickness | Inner hole roughness |
Cold Drawn | 48~325 | ≤ 12m | 0.3~0.8mm/m | ±10% | 0.8~1.6µm | |
Honing | 48~325 | ≤/10m | 0.3~0.8mm/m | H8~H9 | ±10% | 0.3~0.8µm |
Rolling | 50~250 | ≤ /9m | 0.3~0.8mm/m | H7~H9 | ±10% | 0.01µm |
Steel Grade | Tensile strength (σb N/mm2) | Yield strength (σs N/mm2) | Elongation (δ %) | Hardness |
20#
| ≥520 | ≥470 | ≥12 | 175 |
45#(CK45) | ≥600 | ≥520 | ≥12 | 207 |
16Mn(ST52) | ≥600 | ≥520 | ≥15 | 190 |
25Mn | ≥600 | ≥510 | ≥15 | 195 |
27SiMn | ≥800 | ≥720 | ≥10 | 230 |