Duplex and Super Duplex Stainless Steel Tube (China Manufacturer) - Stainless Steel - Metallurgy & Mining Products

Duplex and Super Duplex Stainless Steel Tube

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Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Stainless Steel
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Product Description

As the duplex and super duplex stainless steel tube has both advantages of ferritic stainless steel and the austenitic stainless steel, they are widely used to produce heat transferring tubing for petrochemical industry, sea water treatment… in aggressive acidic, chloride containing environments. Huachao supply customer duplex /super duplex tubes with high quality. Grade: UNS S31803, S32205, S32750, S32760, S32707…
Applications:
Heater, Heat Exchanger, Condenser, Instrumentation, Pipe lines
Available Specifications:
-ASTM/ASME A/SA789
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
-ASTM/ASME A/SA790
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

Chemical Content of Typical Duplex Stainless Steel

Grade	C	Mn	P	S	Si	Cr	Ni	Mo	N	Cu
UNS S32101	0.03max.	2.0 max.	0.03 max.	0.03 max.	1.0 max.	20.0-23.0	1.0-3.0	0.6 max.	0.05-0.17	1.0 max.
UNS S32304	0.03max.	2.5 max.	0.04 max.	0.04 max.	1.0 max.	21.5-24.5	3.0-5.5	0.05-0.6	0.05-0.2	0.05-0.6
UNS S31803	0.03max.	2.0 max.	0.03 max.	0.02 max.	1.0 max.	21.0-23.0	4.5-6.5	2.5-3.5	0.08-0.2
UNS S32205	0.03max.	2.0 max.	0.03 max.	0.02 max.	1.0 max.	22.0-23.0	4.5-6.5	3.0-3.5	0.14-0.2
UNS S32750	0.03max.	1.2 max.	0.035 max.	0.02 max.	0.8 max.	24.0-26.0	6.0-8.0	3.0-5.0	0.24-0.32	0.5 max.
UNS S32760	0.05max.	1.0 max.	0.03 max.	0.01 max.	1.0 max.	24.0-26.0	6.0-8.0	3.0-4.0	0.2-0.30	0.5-1.0
UNS S32707	0.03max.	1.5 max.	0.035 max.	0.01 max.	0.5 max.	26.0-29.0	5.5-9.5	4.0-5.0	0.3-0.50	1.0 max.

Available Sizes

Products	OD		WT		Length
Products	Inch	MM	Inch	MM	Ft max.	Mt max.
Tube	1/2’’-3’’	12.0-76.2	0.02’’-0.5’’	0.5-12.0	105’	32.00
Pipe	NPS1/2’’-10’’	21.34-273.05	Sch10-Sch80	2.11-12.7	98’	30.00