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S32304 S31803 S32550 S32750 S32760 S32205 S31500 A790 (Super) Duplex Stainless Steel Pipe Tubing Material

Description: (Super) Duplex Stainless Steel. Standard: ASTM A789: Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service ASTM A790: Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe ...... Features： 1.Excellent general and local corrosion resistance,...

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Product description

S32304 S31803 S32550 S32750 S32760 S32205 S31500 A790 (Super) Duplex Stainless Steel Pipe Tubing Material

Description:(Super) Duplex Stainless Steel.

Standard:

ASTM A789: Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

ASTM A790: Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

......

Features：

1.Excellent general and local corrosion resistance, especially stress corrosion, pitting corrosion, crevice corrosion, corrosion fatigue and abrasion & corrosion.

2.Good weldability

3.Good comprehensive mechanical properties

4.Excellent intergranular corrosion resistance

5.High cost-effectiveness, long life time

Main steel grades: S31803, S32250, S32750, S32760, S31500, S32304, S32550

Specifications: O.D.: 6.0∼1200mm; W.T.: 1∼150mm; L: 5.8m; 11.8m; 12m or above. Modified specifications according to customer requirements.

Technology: Hot Rolled, Cold Drawn & Cold Rolled.

Chemical Composition and Mechanical Properties:

UNS	Chemical composition(%)						Mechanical properties
UNS	C≤	Cr	Ni	Mo	Cu	N	Tensile strength ≥ksi(MPa)	Yield strength ≥ksi(MPa)	Elongation of the gauge2in or 50mm,≥%
S31500	0.03	18.0-19.0	4.50-5.25	2.5-3.0	...	0.05-0.10	92（630）	64（440）	30
S32304	0.03	21.5-24.5	3.0-5.5	0.05-0.60	0.05-0.60	0.05-0.20	87（600）	65(450)	25
S31803	0.03	21.0-23.0	4.5-6.5	2.5-3.5	...	0.08-0.20	90(620)	58(400)	25
S32205	0.03	22.0-23.0	4.5-6.5	3.0-3.5	...	0.14-0.20	95(655)	65(450)	25
S32550	0.04	24.0-27.0	4.5-6.5	2.9-3.9	1.5-2.5	0.10-0.25	110(760)	70(485)	15
S32750	0.03	24.0-26.0	6.0-8.0	3.0-5.0	≤0.5	0.24-0.32	116(800)	80(550)	15
S32760	0.05	24.0-26.0	6.0-8.0	3.0-4.0	0.5-1.0	0.20-0.30	109(750)	80(550)	25