Seamless Duplex Stainless Steel Pipes, ASTM / ASME A789 / SA789, A790 / SA790, A450, A530

Name: Seamless Duplex Stainless Steel Pipes, ASTM / ASME A789 / SA789, A790 / SA790, A450, A530
Brand: YUHONG SPECIAL STEEL
Price: Negotiable

FOB Price

Negotiable / Kilogram

1 Kilogram(Min.Order)

Supply Ability 0 Kilogram / Kilograms per Month
Payment Terms:T/T L/C D/P D/A
Delivery Detail:7 days

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Product Details

Brand Name:

YUHONG SPECIAL STEEL

Place of Origin:

China

Product Description

Delivery Time:10days->
Certification:ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Seamless Duplex Stainless Steel Pipes, ASTM / ASME A789 / SA789, A790 / SA790, A450, A530

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
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Contact Us

Yuhong Special Steel Co.,Ltd,: Contact nameMr. Jikin Cai; Phone86-574-88013900; AddressRoom 1506,1# New World Building, Minan Road Ningbo,Zhejiang

Product Categories

Butt Weld Fittings	Duplex Stainless Steel Pipes	Stainless Steel Seamless Pipe	Stainless Steel Seamless Pipes
Stainless Steel Seamless Tube	Stainless Steel U Bend Tube	Steel Flanges

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Seamless Duplex Stainless Steel Pipes, ASTM / ASME A789 / SA789, A790 / SA790, A450, A530

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