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| Standard | GB/T 8162-2008, GB/T 8713-88, GB/T3639-2000, DIN2391/EN10305 | |||
| Length | Hot-rolled (extruded, expanded) steel pipe is 3-12m | |||
| Cold-rolled (drawn) steel pipe is 2-10.5m | ||||
| Size | 16X2.5MM | 21X3MM | 25X4-5-6MM | 26X3.5MM |
| 26.9x2.6-2.8-4.5-5MM | 28x4-6MM | 30x3.6-4-4.5-5-6-6.3-7.1MM | 31x6-8MM | |
| 32x2.6-4-5-6-6.5-7-8MM | 33.7x2.6-3.38-4.5-5.6-6.3-7.1-8MM | 34x5-8.5MM | 35x5-7MM | |
| 36x4-8MM | 37X9MM | 38x3.5-5-5.6-6-6.5-7-8-10-12MM | 40x5-10MM | |
| 42x4-7MM | 42.4x4-4.5-5-5.6-6-7-8-8.5-8.8-10-12.5MM | 44.5x4-5-5.6-6-7-8-8.8-10-12.5MM | 45x6-7-8-10MM | |
| 48.3x2.6-4.5-5.6-6.3-7.1-8.8MM | 51x4-5-6-7-8-9-10-11-12MM | 54x5-6.3-7-8-10-12MM | 57x4-6.3-7.1-8-10-12MM | |
| 60x8-10-12MM | 60.3x2.9-4.5-5-5.6-6.3-7.1-8-12MM | 62.5x8MM | 63x8-11MM | |
| 63.5x6.3-7.1-8-10MM | 70x5-6.3-8-10-12MM | 26.67X5.7912X5800MM | 31.75X5.715X5800MM | |
| 42.164X7.3152X5800MM | 44.45X7.3152X5800MM | 48.26X7.1347X5800MM | ||
| ???: | Metallurgy & Minerals/Ordinary Steel/Steel Pipe |
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