Specifications
Brand Name :
TOBO/TPCO/TISCO/VALIN/METAL
Model Number :
Duplex stainless
Certification :
ISO/PED/TUV/SGS/LR/BV
Place of Origin :
China/Japan/Germany
MOQ :
500kg
Price :
USD Depending on length
Payment Terms :
L/C, T/T, Western Union,
Supply Ability :
500 TONS per momth
Delivery Time :
10-100work days
Packaging Details :
WOODEN CASE
Material :
A790/790M
Standard :
ANIS B36.10~B36.19
Size :
1/8-72”
DN :
6-1800
thickness :
1-60mm
Application :
Petroleum/Power/Chemical/Construction/Gas/Metallurgy/Shipbuilding etc
Description

Super duplex steel steel pipe Standard ASTM A790/790M S31803UNS S32750 Size1-60inch

Duplex Stainless Steel Pipe, ASTM A790/790M 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


Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

  • Eddy Current Testing
  • O.P Testing
  • Radiography Testing
  • Corrosion Testing
  • Micro Testing
  • Macro Testing
  • IGC Testing
  • Ultrasonic testing
  • Liquid Penetrate testing

1 - 60 inch Super Duplex Steel Pipe Standard ASTM A790 / 790M Thickness 1 - 60mm

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1 - 60 inch Super Duplex Steel Pipe Standard ASTM A790 / 790M Thickness 1 - 60mm

Ask Latest Price
Brand Name :
TOBO/TPCO/TISCO/VALIN/METAL
Model Number :
Duplex stainless
Certification :
ISO/PED/TUV/SGS/LR/BV
Place of Origin :
China/Japan/Germany
MOQ :
500kg
Price :
USD Depending on length
Contact Supplier
1 - 60 inch Super Duplex Steel Pipe Standard ASTM A790 / 790M Thickness 1 - 60mm
1 - 60 inch Super Duplex Steel Pipe Standard ASTM A790 / 790M Thickness 1 - 60mm
1 - 60 inch Super Duplex Steel Pipe Standard ASTM A790 / 790M Thickness 1 - 60mm
1 - 60 inch Super Duplex Steel Pipe Standard ASTM A790 / 790M Thickness 1 - 60mm

TOBO STEEL GROUP CHINA

Verified Supplier
11 Years
shanghai, shanghai
Since 1998
Business Type :
Manufacturer, Agent, Importer, Exporter, Trading Company, Seller
Total Annual :
100000-100000000
Employee Number :
200~300
Certification Level :
Verified Supplier
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