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12 Inch Std Seamless Large Duplex Stainless Steel Pipes ASTM A790 / A790M UNS31803

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12 Inch Std Seamless Large Duplex Stainless Steel Pipes ASTM A790 / A790M UNS31803

Name: 12 Inch Std Seamless Large Duplex Stainless Steel Pipes ASTM A790 A790M UNS31803
Brand: TOBO/TPCO/TISCO/VALIN/METAL
Price: 1 USD

Quality 12 Inch Std Seamless Large Duplex Stainless Steel Pipes ASTM A790 / A790M UNS31803 for sale

Brand Name : TOBO/TPCO/TISCO/VALIN/METAL

Model Number : ASTM A790 / A790M S31803, S32205, S32750

Certification : ISO/PED/TUV/SGS/LR/BV

Place of Origin : China/Japan/Germany

MOQ : 0.5-1 tons

Price : negotiable

Payment Terms : T/T, L/C, Western Union, MoneyGram

Supply Ability : 6000TONS/MONTH

Delivery Time : According to the qty

Packaging Details : in plastic bags then in bundles

Standard : ASTM A790/A790M

Color : white Silver gold

Types : Duplex Stainless Steel Pipe / Tube

Material Grade : UNS31803, S32205, S32750

Outer Diameter : 6mm-710mm

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Seamless Duplex Stainless Steel Pipes ASTM A790 / A790M UNS31803, S32205, S32750

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

12 Inch Std Seamless Large Duplex Stainless Steel Pipes ASTM A790 / A790M UNS31803

Product Tags:

super duplex stainless steel pipe

duplex ss pipe

12 Inch Std Seamless Large Duplex Stainless Steel Pipes ASTM A790 / A790M UNS31803 Images

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