TOBO STEEL GROUP CHINA
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 7500 tons per year |
| Delivery Time | According to the qty |
| Packaging Details | in plastic bags then in bundles |
| Thickness | standard schedule |
| Color | Customer's Requirement |
| Packing | inner poly bag,Plastic Bag+Carton,plywood case or pallet,According customer's requesment |
| Surface | As customer's requirement |
| Type | Pipe |
| Standard | ANSI / ASME |
| Size | Customized Size |
| Brand Name | TOBO |
| Model Number | EL####001 |
| Certification | BV/ABS/LR/TUV/DNV/BIS/API/PED |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 7500 tons per year |
| Delivery Time | According to the qty | Packaging Details | in plastic bags then in bundles |
| Thickness | standard schedule | Color | Customer's Requirement |
| Packing | inner poly bag,Plastic Bag+Carton,plywood case or pallet,According customer's requesment | Surface | As customer's requirement |
| Type | Pipe | Standard | ANSI / ASME |
| Size | Customized Size | Brand Name | TOBO |
| Model Number | EL####001 | Certification | BV/ABS/LR/TUV/DNV/BIS/API/PED |
| Place of Origin | CHINA |
ISO Standard Stainless Steel Tube Manufacturer 304 316 Seamless
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Our 304 and 316 seamless and welded stainless steel pipe conforms to the ASTM A312 standard specification to meet strict certifications required on today's piping systems with superior strength and corrosion resistance for use in various applications. Pipe cutting, bending, polishing, threading and grooving services finish and customize to specifications.
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| Item | ASTM A213/A213M | ASTM A312/A312M | ||||
| Grade | TP304 | TP304L | TP304 | TP304L | ||
| TP316 | TP316L | TP316 | TP316L | |||
| TP317 | TP317L | TP317 | TP317L | |||
| TP347 | TP310S | TP347 | TP310S | |||
| TP309H* | TP310H* | TP317* | TP310H* | |||
| TP321HΔ | TP321HΔ | |||||
| ≥170; | ≥205 | ≥170; | ≥205 | |||
| ≥485 | ≥515 | ≥485; | ≥515 | |||
| ≥35 | ≥35 | ≥35 | ≥35 | |||
| Flattening Test | H=1.09t/(0.09+t/D) | H=1.09t/(0.09+t/D) | ||||
| Flange Test | 21-68% | |||||
| Intergranular corrosion | "*"﹑"Δ"ASTM E112, min 6# | |||||
| Hydraulic test(Mpa) | D | P max | P=220.6t/D | D | P max | ASTM A530/A530M D≤270MM P=2Rt/D R=50%σ0.2 |
| <25.4 | 7 | ≤88.9 | 17 | |||
| 25.4-<38.1 | 10 | |||||
| 38.1-<50.8 | 14 | >88.9 | 19 | |||
| 50.8-<76.2 | 17 | |||||
| 76.2-<127 | 24 | |||||
| ≥127 | 31 | |||||
| Metallograph Analysis | STM A262 E | ASTM A262 E | ||||
| Non-Destructive Test | ASTM E213 E309 E426 | ASTM E213 E309 E426 | ||||
| Hardness | HRB<90 | RB<90 | ||||
Chemical composition
| Grade | Chemical Composition | ||||||||
| C (max) | Si (max) | Mn (max) | P (max) | S (max) | Ni | Cr | Mo | Other | |
| TP 304 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 8-11 | 18-20 | ||
| TP 304H | 0.04-0.10 | 0.75 | 2 | 0.04 | 0.03 | 8-11 | 18-20 | ||
| TP 304L | 0.035 | 0.75 | 2 | 0.04 | 0.03 | 8-13 | 18-20 | ||
| TP 309S | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 8-13 | 18-20 | ||
| TP 310S | 0.08 | 0.75 | 2 | 0.045 | 0.03 | 12-15 | 22-24 | ||
| TP 316 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 19-22 | 24-26 | ||
| TP 316L | 0.035 | 0.75 | 2 | 0.04 | 0.03 | 10-15 | 16-18 | ||
| TP 316Ti | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 11-14 | 16-18 | ||
| TP 317 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 11-14 | 16-18 | ||
| TP 321 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 9-13 | 18-20 | ||
| TP 321H | 0.04-0.10 | 0.75 | 2 | 0.04 | 0.03 | 9-13 | 17-20 | ||
| TP 347 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 9-13 | 17-20 | ||
| TP 347H | 0.04-0.10 | 0.75 | 2 | 0.04 | 0.03 | 9-13 | 17-20 | ||
Tolerance grade
| Grade | Outside diameter tolerance | Grade | Wall thickness tolerance |
| D1 | ±1.50% but at least ±0.75mm | T1 | ±15% but at least ±0.60mm |
| D2 | ±1.00% but at least ±0.50mm | T2 | ±12.5% but at least ±0.40mm |
| D3 | ±0.75% but at least ±0.30mm | T3 | ±7.5% but at least ±0.15mm |
| D4 | ±0.50% but at least ±0.10mm | T4 | ±5.0% but at least ±0.10mm |
Tolerance standard
| Item | ASTM A213 | ASTM A312 | ASTM A269 | |||
| O.D. | tolerance | O.D. | tolerance | O.D. | tolerance | |
| Outside diameter tolerance(mm) | <25.4 | ±0.10 | 10.3-48.3 | +0.4/-0.8 | 12.7 < | +0.13/-0.13 |
| 25.4-≤38.1 | ±0.15 | >48.3-114.3 | +0.8/-0.8 | 12.7-38.1 | +0.13/-0.13 | |
| >38.1-<50.8 | ±0.20 | >114.3-219.1 | +1.6/-0.8 | 38.1-88.9 | +0.25/-0.25 | |
| 50.8-<63.5 | ±0.25 | >219.1-457.2 | +2.4/-0.8 | 88.9-139.7 | +0.38/-0.38 | |
| 63.5-<76.2 | ±0.30 | >457.2-660.4 | +3.2/-0.8 | 139.7-203.2 | +0.76/-0.76 | |
| 76.2-≤101.6 | ±0.38 | >660.4-864 | +4/-0.8 | |||
| >101.6-≤190.5 | ±0.38/-0.64 | >864-1219.2 | +4.8/-0.8 | |||
| >190.5-≤228.6 | ±0.38/-1.14 | |||||
| Thickness tolerance(mm) | O.D. | tolerance | ±12.5%t | O.D. | tolerance | |
| ≤38.1 | +20%t/0 | ≤38.1 | ±15%t | |||
| >38.1 | +22%t/0 | >38.1 | ±10%t | |||
FAQ
Q: How long is your delivery time?
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
1998
Total Annual:
100000-100000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ... TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ...
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