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| Tolerance | +/-0.1mm |
| Technique | Cold drawing/Cold rolling/ Welded |
| Standard | ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639 |
| Steel material | E355, E235, 10#, 20#, Q235B, etc. |
| Delivery state | BK, BKW, NBK, GBK, BKS |
Parnal Fitness