DUPLEX TUBES

STAINLESS STEEL

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WEIGHTS AND MEASUREMENTS (kg/m)

DIAMETER
inches	millimeters
1/8"	3,17
3/16"	4,76
1/4"	6,35
5/16"	7,94
3/8"	9,52
1/2"	12,70
5/8"	15,87
3/4"	19,05
7/8"	22,22
1"	25,40
1,1/4"	31,75
1,1/2"	38,10
2"	50,80

THICKNESS (millimeters)

0,71	0,89	1,24	1,65	2,11	2,41	2,77	3,05	3,40
0,043	0,050
	0,084
	0,119	0,155	0,189
	0,153	0,203	0,253
	0,188	0,251	0,317	0,382
	0,257	0,347	0,445	0,546
	0,325	0,443	0,573	0,709
		0,539	0,701	0,873	0,979	1,101	1,191	1,299
		0,635	0,829	1,036
		0,731	0,957	1,200	1,353	1,530	1,664	1,826
		0,924	1,213	1,527	1,726	1,960	2,137	2,353
		1,116	1,468	1,854	2,100	2,389	2,610	2,880
			1,980	2,508	2,847	3,248	3,556	3,935

STAINLESS STEEL GRADES

FERRITIC AUSTENITIC

Alloy	Wnr	AFNOR	C maxº	Cr	Ni	Mo	Other
UNS S31803	1.4462	TU Z 2 CND 2-05-03	0.03	21/23	4.5/6.5	2.5/3.5	N 0.12/0.20
UNS S32760	1.4501	TU Z 3 CND 25-06-Az	0.03	24/26	6/8	3/5	N 0.20/0.30 Cu & W 0.5/1.0
UNS S32750	1.4410	TU Z 3 CND 25-07-Az	0.03	24/26	6/8	3/5	N 0.24/0.32 Cu 0.5

INTERNATIONAL STANDARDS

WELDED TUBES	SEAMLESS TUBES
ASTM A-789	ASTM A-789

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