Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of high-pressure seamless steel pipes and tubes astm certified in China. Welcome to consult the quotation and import cheap high-pressure seamless steel pipes and tubes astm certified made in China here from our factory.
I.Product Basic Info:
| Name | Seamless Steel Pipe Pipe Seamless Seamless Steel Pipe And Tube |
| Surface | Bare,oiled,galvanized |
| Material | ASTM A106B, ASTM A53B, API 5L Gr.B, ST52, ST37, ST44 SAE1010/1020/1045,S45C/CK45,SCM435,AISI4130/4140 |
| MOQ | 5 tons for normal size and material |
| WT | As customer's requests |
| Payment terms | TT deposit + the balanced against BL copy / LC or 100% LC at sight |
| Trade terms | FOB,C&F,CIF,EXW |
| Length | fixed or random,as customer request. |
| End Treatment | Plain(can be beveled, threaded,punch,shrink,extension... ) |
| 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 |
2.Product Chemical Composition & Mechanical Properties :
| Grade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| 20# | 0.21 |
0.37 |
0.25 | 0.006 | 0.019 | ≥480 |
275-300 |
21.5 |
3.Product standard test:
| 20# | ASTM A106B, ASTM A53B |
Why Choose TYT?
✅ 20+ Years Expertise: Trusted by Fortune 500 companies in 30+ countries.
✅ End-to-End Testing: From raw material sourcing to final inspection.
✅ Competitive Pricing: Bulk order discounts and flexible MOQs.
Product Show
Quality Inspection:
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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