Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of sch40 sch80 erw square hollow section pipe metallic black steel tubes in China. Welcome to consult the quotation and import cheap sch40 sch80 erw square hollow section pipe metallic black steel tubes made in China here from our factory.
SCH40 SCH80 ERW Square Hollow Section Pipe Metallic Black Steel Tubes
| Name | Black Steel Pipe |
| Material | Q195,Q235 |
| Wall Thickness | 0.6-2.2MM |
| Length | fixed or random,as customer request |
| Surface | Bare,Oil,Painting,Galvaning |
| End Treatment | Plain,Threaded,Punching etc |
| MOQ | 1 tons for normal size and material |
| Trade Terms | FOB,C&F,CIF,EXW |
| Payment Terms | TT deposit + BL copy / LC or 100% LC at sight |
| Lead time |
within 7 days from stock with 6m length (stock pipe with our factory name in Chinese),20-25 days for customized pipe according to the qty |
Product Chemical Composition & Mechanical Properties:
| Grade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.04 | ≥215 | 335-450 | ≥27 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.05 | ≥345 | 470-630 | ≥22 |
Product standard test:
| Q195 ≈ | Grade B,SS330 SPHC,S185 |
| Q215 ≈ | Grade C/CS Type B,SS330 SPHC |
| Q235 ≈ | Grade D,SS400,S235 |
| Q345 ≈ | Grade 50/345,SPFC590,E/S335 |
Detailed Images
1.Our factory has its own "experimental testing center".CNAS Laboratory Accreditation Certificate (the second private enterprise to obtain this certificate)
2.Control quality strictly.The first pass is the quality inspection on the production line,The second pass is full inspection of the production quality .
3.We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.
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