Duplex Stainless Steel

ASTM Specification	Grades	DIN
A 351/A 351 M	CD-4MCU
A 743/A 743M	CD-4MCUN	1.4460/1.4470
A 890/A 890M	GR-1 A, GR-1B, GR-1CGR-2A	1.4468/1.4469
	CR-3A, GR-4A, GR-5A, GR-6A	1.4468/1.4517