DD402 DD402 - GB /T 14992-2005

Grade	DD402
Old Grade
Corresponding Standard	GB /T 14992-2005 Classification and Designation for Superalloys and High Temperature Intermetallic Materials
Classification	Special Alloy Steel
Properties	Corrosion Resistance

DD402 Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Cu	Mo	As	N	Ti	W	Nb	Zr	B	Co	Pb	Al	Zn	Sn	Se	Mg	Ga	Bi	Sb	Ag	Ta	O	More
Minimum Value	-	-	-	-	-	-	7	-	0.3	-	-	0.8	7.6	-	-	-	4.3	-	5.45	-	-	-	-	-	-	-	-	5.8	-	Ni:Remainder；Hf≤0.0075；Tl≤0.00003；Te≤0.00003；Yb≤0.1
Maximum Value	0.2	0.006	0.04	0.02	0.005	0.002	8.2	0.05	0.7	0.0005	0.0012	1.2	8.4	0.15	0.0075	0.003	4.9	0.0002	5.75	0.0005	0.0015	0.0001	0.008	0.002	3.0E-5	0.0005	0.0005	6.2	0.001	Ni:Remainder；Hf≤0.0075；Tl≤0.00003；Te≤0.00003；Yb≤0.1

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