Joho Steel Co., Ltd
JOHO STEEL CO.,LTD, founded in 1988, is a steel group which has integrated steel production, processing and trading into one. We specializes in manufacturing carbon seamless steel pipes, boiler tube
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Q235 Square / Rectangular Black Steel Pipe Steel Tube Hollow Section From China
Product Description: Square tubes are classified according to cross-sectional shape,
1. Simple section square tube: square square tube, rectangular square tube.
2. Square tubes with complex sections: flower-shaped square tubes, open-shaped square tubes, corrugated square tubes, and special-shaped square tubes.
| COMPANY | TIANJIN TSD STEEL IMP. & EXP. CO.,LTD |
| PRODUCT NAME | Q235 Square / rectangular / round Black welded steel pipe steel tube hollow section from China |
| OD | ROUND: 12-762MM |
| THICKNESS | 0.4-20MM |
| MATERIAL | Q195: GRADE B, SS330, SPC, S185 |
| Q215:GRADE D, CS TYPE B, SS330, SPHC | |
| Q235:GRADE D, SS400, S235JR, S235JO, S235J2 | |
| Q345: SS500, ST52 | |
| Tech | pre-galvanized/ hot dipped galvanized/ hang-planting galvanization |
| Zinc coating | 20-600g/m2 |
| SURFACE TREATMENT | 1.Bared 2. Black painted(varnish coating) 3.Galvanized 4.With Oiled 5. 3PE, FBE, corrosion resistant coating |
| Pipe ends | plain, beveled, threaded, socket with holds, with PVC clap/ coupling/ clamp, or as customer's requirement |
| PACKAGE | IN bundles, no other package or wrapped with waterproof, or as client requirement |
| Application | Liquid delivery(pump well, gas, water), construction pipe, structural pipe(green house structure, fence post), curtain wall, machinery part ect |
| MOQ | 10 MT |
| DELIVERY TIME | 10-30 DAYS AFTER DEPOSIT |
| INSPECTION | ISO9001:2000, BV, AND SGS AND INTERTEK |
| Other | 1. All the pipes is high-frequency welded 2.Both innder and outer welded stab can be removed 3.Special design available according to requirement 4.Pipe can be necked down and punched holes 5.Supplying BV or SGS inspection if client need. |
