Ni	Cr	Mo	Mn	Si	C	AWS/ASME SFA 5.23	DINEN 756	کد شناسایی آما
–	–	0/5	1	0/15	0/1	–	S2Mo	50-14
–	–	0/5	1/5	0/15	0/1	–	S3Mo	50-17
–	–	0/5	2	0/12	0/1	–	S4Mo	50-19
1	–	0/6	1/7	0/15	0/12	–	S3Ni1Mo	50-21
–	1/2	0/5	1	0/2	0/12	–	S2CrMo1	50-22
–	2/5	1	0/5	0/2	0/12	–	S1CrMo2	*50-23
1	–	–	1/3	0/25	0/1	–	S2Ni1	*50-24
2/2	–	–	1	0/15	0/1	–	S2Ni2	*50-25
–	–	0/5	0/95	0/15	0/1	EA 1	–	50-54
–	–	0/5	1/1	0/15	0/12	EA 2	–	50-55
–	–	0/5	1/75	0/15	0/11	EA 3	–	50-58
–	–	0/5	1/5	0/15	0/1	EA 4	–	50-59
–	1	0/5	1	0/2	0/12	EB 2	–	50-62
–	2/4	1	0/5	0/2	0/12	EB 3	–	50-63
1	–	0/5	1/6	0/2	0/1	EF 1	–	50-64
1	–	0/5	1/8	0/2	0/12	EF 3	–	50-65
0/78	0/26	0/35 :Cu	0/95	0/3	0/1	E G	–	50-66