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- Contact Person : Ms. Gao Grace
- Company Name : Jiangsu In Nice Machinery Manufacturing Co., Ltd.
- Tel : 86-519-86543997
- Fax : 86-519-86549398
- Address : Jiangsu,Changzhou,Panjia Industrial Park, Xueyan Town, Wujin District
- Country/Region : China
- Zip : 213179
honed tube
Product Detailed
Related Categories:Steel Pipes
Detailed Product Description
| Steel grade :ST45(20#) ck45(45#) ST52(16Mn) 27SiMn 20G 34CrMo4 25Mn | ||||||
| Processing | Cylinder diameter/mm | Length | Straightness | Size accuracy | Wall thickness/mm | Inner bore |
| roughness | ||||||
| Cold-drawn | 48~325 | ≤12m | 0.3~0.8mm/m | ±10% | 0.8~1.6um | |
| Honed | 48~325 | ≤10m | 0.3~0.8mm/m | H8~H9 | ±10% | 0.3~0.8um |
| Mechanical Property | ||||||
| Material | Stensil | Yield | Elongation | Hardness | ||
| strength | strength | |||||
| Ck20 | 530 N/mm2 | 505σsN/mm2 | 12δs% | 175HB | ||
| Ck45 | 660 N/mm2 | 630σsN/ mm2 | 6δs% | 207HB | ||
| ST52 | 595 N/mm2 | 570σsN/ mm2 | 9δs% | 190HB | ||
| 27SiMn | 840 N/mm2 | 805σsN/ mm2 | 7.5δs% | 230HB | ||
