Payment Terms | T/T, L/C, Western Union, MoneyGram |
Supply Ability | 7500 tons per year |
Delivery Time | According to the qty |
Packaging Details | in plastic bags then in bundles |
Standard: | ASTM A790 S31803 |
Color | white Silver gold |
Types: | Stainless Steel Seamless Pipe / Tube |
Material Grade | 304,304L,316,316L,321, 321H, 310S, 347H,309.317.0cr18N9, 0Cr25Ni20,304,304L,316,316L,321,321H,310S,3 |
Outer Diameter | 6mm to 710mm |
Brand Name | TOBO/TPCO/TISCO/VALIN/METAL |
Model Number | ASTM A790 S31803 |
Certification | ISO/PED/TUV/SGS/LR/BV |
Place of Origin | China/Japan/Germany |
View Detail Information
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Product Specification
Payment Terms | T/T, L/C, Western Union, MoneyGram | Supply Ability | 7500 tons per year |
Delivery Time | According to the qty | Packaging Details | in plastic bags then in bundles |
Standard: | ASTM A790 S31803 | Color | white Silver gold |
Types: | Stainless Steel Seamless Pipe / Tube | Material Grade | 304,304L,316,316L,321, 321H, 310S, 347H,309.317.0cr18N9, 0Cr25Ni20,304,304L,316,316L,321,321H,310S,3 |
Outer Diameter | 6mm to 710mm | Brand Name | TOBO/TPCO/TISCO/VALIN/METAL |
Model Number | ASTM A790 S31803 | Certification | ISO/PED/TUV/SGS/LR/BV |
Place of Origin | China/Japan/Germany | ||
High Light | marine stainless steel tubing ,stainless steel round tube |
Super Duplex Stainless Steel Pipe ASTM A790 S31803 (2205 / 1.4462), UNS S32750(1.4410)
Additional Info
Packaging: Export Standard Packing
Productivity: 1500 Tons per month
Brand: TOBO
Transportation: Ocean,Land,Air
Place of Origin: CHINA
Certificate: ABS, GL, BV, PED, AD2000, GOST, TS, CCS, CNNC, ISO
Product Description
Detailed Product Description
Duplex Stainless Steel Seamless Pipe, PED 97/23/EC, AD2000-WO, GOST 9941-81, ASTM A789,A790, UNS32750, UNS32760
TOBO GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy , Monel, Inconel, Incoloy) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Russia, Korea, Singapore, Austrial, Poland, France, ....And our group branch company and factory have been already approved by : ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
Detailed Product Description
Super Duplex Stainless Steel Pipe ASTM A790 S31803 (2205 / 1.4462), UNS S32750(1.4410)
Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530
Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),
UNS32760(1.4501)
Chemical Composition
Grade | C max | Si max | Mn max | P max | S max | Cr | Ni | Mo | N |
UNS S32750 | 0.030 | 0.8 | 1.2 | 0.030 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
UNS S31803 | 0.030 | 1.0 | 2.0 | 0.020 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
UNS S31500 | 0.030 | 1.0 | 1.2-2.0 | 0.030 | 0.030 | 18.0-19.0 | 4.5-5.5 | 2.5-3.5 | 0.05-0.10 |
Physical Properties
Grade | Y.S.MPa min | T.S.Mpa min | Elongation % | Hardness HRC |
UNS S32750 | 550 | 800 | 15 | 20 |
UNS S31803 | 450 | 620 | 25 | 20 |
UNS S31500 | 440 | 630 | 30 | 20 |
Duplex Stainless Steel Pipe Application:
Chemical processing, Transport and Storage.
Oil and gas exploration and offshore rigs.
Oil and gas refining.
Marine environments.
Pollution control equipment.
Pulp and paper manufacturing
Chemical process Plant
Some of the quality tests carried out by us includes:
Corrosion Test | Conducted only when specially requested by the client |
Chemical Analysis | Test done as per required quality standards |
Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
Air Under Pressure Test | To check any evidence of air leakage |
Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
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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