TOBO GROUP
TOBO International Trading(Shanghia)Co.,Ltd Tianda Oil Pipe Co., Ltd
TOBO Pipeline Equipment Co.,Ltd TPCO & TISCO Pipe(Tianjin)Co.,Ltd.
| Place of Origin: | CHINA |
|---|---|
| Brand Name: | TOBO |
| Certification: | BV/ABS/LR/TUV/DNV/BIS/API/PED |
| Model Number: | EL####001 |
| Minimum Order Quantity: | 0.5-1 tons |
| Price: | negotiable |
| Packaging Details: | in plastic bags then in bundles |
| Delivery Time: | According to the qty |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 7500 tons per year |
| Thickness: | Standard Schedule | Color: | Customer's Requirement |
|---|---|---|---|
| Packing: | Inner Poly Bag,Plastic Bag+Carton,plywood Case Or Pallet,According Customer's Requesment | Type: | Pipe |
| Standard: | ANSI / ASME | Surface: | As Customer's Requirement |
| Size: | Customized Size | ||
| Highlight: | Explosion Proof Alloy Steel Pipe,Printing Duplex Stainless Steel Pipe |
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Proof Alloy Precision Pipe Pipe Black Printing Steel Pipe Non Welding Explosion
Stainless Steel Pipe applies to petroleum, chemical industry, medical, power, boiler and other industry fields, with high temperature resistant, low temperature resistant, corrosion resistant.
Shaw Stainless & Alloy maintains a large inventory of high quality standard and specialty stainless steel pipe, fittings and accessories ready to ship quickly.
Stainless Steel Pipe manufacturer Landee supplies Stainless Steel Pipes, SS Pipe, Stainless Steel Piping, SS piping for industrial segments.
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.
In addition, engaging in bending, torsional strength of the same, lighter, and they are also widely used in the manufacture of mechanical parts and engineering structures.
Stainless Steel Seamless Pipes is a hollow steel bar, a large number of pipes used for conveying fluids, such as oil, gas, water, gas, steam,heat exchanger,mechanical machine.
Steel pipes are long, hollow tubes that are used for a variety of purposes. They are produced by two distinct methods which result in either a welded or seamless pipe. Industrial Metal Supply carries a wide variety of stainless steel pipe products.
Stainless Steel Pipe Applications
Stainless steel pipe has a wide variety of applications, some of the most prevalent include:
Also used in producing all kinds of conventional weapons, the barrel, artillery shells and so on...
| 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 |
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FAQ
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