Along with the years of entrepreneurial journey of Zhongyuan people, she gradually formed her own spiritual pillar and behavioral norms. In the silent inheritance, she guided Zhongyuan Company towards a more brilliant tomorrow.
| Tolerance of Outside Diameter and Wall Thickness of SSAW Steel Pipe 螺旋埋弧焊管外径和壁厚公差 | ||||||
| Standard 标准 | Tolerance of Pipe Body 管体公差 | Tolerance of Pipe End 管端公差 | Tolerance of Wall Thickness 壁厚公差 | |||
| Out Diameter 外径 | Tolerance 公差 | Out Diameter 外径 | Tolerance 公差 | |||
| SY/T5037 | OD<508mm | ≤±0.75% | OD<508mm | ≤±0.75% | OD<508mm | ≤±12.5% |
| OD≥508mm | ≤±1.00% | OD≥508mm | ≤±0.50% | OD≥508mm | ≤±10.0% | |
ADD:Chengnan Industrial Development Zone, Yanshan County, Hebei Province
Domestic phone number:0086-317-6165555
International call:0086-317-6165555
E-mail:sales@zzglpipe.com