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Duplex Steel Pipes , Super Duplex Pipes, A789, A790 , A928 S31803(2205) S32750 (2507) S32760

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Duplex Steel Pipes , Super Duplex Pipes, A789, A790 , A928 S31803(2205) S32750 (2507) S32760

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Brand Name :	YUHONG
Certification :	ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Price :	negotiable
Delivery Time :	10days->
Payment Terms :	T/T, L/C
Supply Ability :	1500 tons per month
Model Number :	A789, A790 , A928 S31803(2205) S32750 (2507) S32760

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Duplex Steel Pipes , Super Duplex Pipes, A789, A790 , A928 S31803(2205) S32750 (2507) S32760

Duplex Steel Pipes , Super Duplex Pipes, A789, A790 , A928 S31803(2205) S32750 (2507) S32760

YUHONG 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 65 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, 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.

Duplex Tube

Standard: ASTM/ASME A/SA789, A/SA790, A/SA928, DIN17456/17458, EN10216-5. After negotiation, we can supply

pipe with customers'requirement.

Material Grade:

UNS	EN	DIN	C %	Cr%	Ni%	Mo%	N%	Other %
S31803	1.4462	X2CrNiMoN22-5-3	0.030max	21.0-23.0	4.5-6.5	2.5-3.5	0.08-0.20	/
S32205	1.4462	X2CrNiMoN22-5-3	0.030max	22.0-23.0	4.5-6.5	3.0-3.5	0.14-0.20	/
S32101	1.4162		0.040max	21.0-22.0	1.35-1.70	0.10-0.80	0.20-0.25	Cu 0.10-0.80
S32304			0.030max	21.5-24.5	3.0-5.5	0.05-0.60	0.15-0.20	Cu 0.05-0.60
S32750	1.4410	X2CrNiMoN25-7-4	0.030max	24.0-26.0	6.0-8.0	3.0-5.0	0.24-0.32	Cu 0.50max
S32760			0.050max	24.0-26.0	6.0-8.0	3.0-4.0	0.20-0.30	Cu 0.50-1.00

Mechanical Property:

UNS	Tensile Strength Min, Mpa	Yield Strength Min, Mpa	Elongation in 2 in Or 50mm Min, %	Hardness Max, HRC
S31803	620	450	25	30
S32205	655	485	25	30
S32101	700	530	30	30
S32304	690	450	25	30
S32750	800	550	15	32
S32760	750	550	25	32

Size Range:

Stainless Steel Seamless Tube	ASTM A789/A789M: OD: Φ12.7mm-Φ630mm; WT:0.5mm-60mm
Stainless Steel Welded Tube	ASTM A789/A789M: OD: Φ12.7mm-Φ2500mm; WT:0.5mm-60mm

Duplex Stainless Steel have a structure that contains both ferrite and austenite. Duplex alloys have higher strength and better stress corrosion cracking resistance than most austenitic alloys and greater toughness than ferritic alloys, especially at low temperatures. The corrosion resistance of duplex alloys depends primarily on their composition, especially the amount of chromium, molybdenum, and nitrogen they contain.


UNS S31803 Pipe&Tube	UNS S32205 Pipe&Tube	UNS S32750 Pipe&Tube	U Bend Duplex Tube

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