Duplex Stainless ASTM A790 Duplex Steel S31803 Seamless Pipe

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Model NO.: ASTM A790
• Section Shape: Round
• ASME SA789/SA789m: Uns S31803
• Transport Package: Wooden Case
• Specification: ASTM
• Trademark: C&N
• Origin: China
• Production Capacity: 1000tons/Month

Product Description

ASME SA789/SA789M ( ASTMA789/A789M )
General use standard specification for seamless and Welded Ferritic / austenitic stainless steel tube
ASME SA790/SA790M ( ASTMA790/A790M )
Seamless and Welded Ferritic / austenitic stainless steel tube
 
1.Outer Diameter: 1/4" - 16" 
2.Wall thickness:1 mm-50mm 
3.Length: 6 metre or as per customer request 


Chemical Composition
 CMnPSCrMoSiNiNS 31803Min %Max %1.4462Min %Max %

				21,00	2,50		4,50	0,08
0,030	2,00	0,030	0,020	23,00	3,50	1,00	6,50	0,20
ASTM A 790 (S 31803)
				21,00	2,50		4,50	0,100
0,030	2,00	0,035	0,015	23,00	3,50	1,00	6,50	0,220

Physical properties
PropertyValueDensity: kg/dm3Hardness: HB 30Brinell
Hardness Rockwell C

7,8

<=270

290 (S 31803-ASTM A 790)
30,5 (S 31803-ASTM A 790)