Complaint
| Commodity | black/galvanized square steel pipe | |
| Size | 20x20--400x400mm (square) | 20x40--400x600mm (rectangular) |
| Wall thickness | 0.7-20mm | |
| Length | 5.8m 6m or based on your request | |
| Standard | ASTM A500 and so on (the Chinese material can be Q195,Q235Q345) | |
| Surface | Black, or Galvanized and Oiled to prevent the rust | |
| End finish | Plain end | |
| Material | Q195→grade B, SS330, SPHC, S185 Q215→grade C, CS Type B, SS330, SPHC Q235→grade D, SS400, S235JR, S235JO, S235J2 | |
| Standards | ASTM A53, BS1387, DIN2440 SGS, ASTM-A53A, BS1387-1985 GB/T3091-2001, GB/T8162, GB/T8163:10#, 20#, 35#, 45# 16MN(Q345B)GR. A, GR. B, GR. C ASTM A106 GR. A, GR. B, GR. C API 5L A B X42, X46, X52, X60, X65, X70, X80 Certificates: API 5L, API 5CT, ISO, CE | |
| Usage | construction, building material | |
| Packing | In bundles, packed in woven bag or as your request. | |
| HS code | 7306610000 | |
