N4 4号镍 - GB /T 21653-2008

Grade	N4
Other Names
Corresponding Standard	GB /T 21653-2008 Nickel and Nickel-Alloy Wire and Drawing Stock
Classification	Nickel and Nickel Alloys
Properties	Corrosion Resistance

N4 Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cu	As	Pb	Zn	Sn	Mg	Bi	Sb	More
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Ni+Co≥99.9；Cd≤0.001；杂质总和≤0.1
Maximum Value	0.04	0.01	0.03	0.002	0.001	0.001	0.015	0.001	0.001	0.005	0.001	0.01	0.001	0.001	Ni+Co≥99.9；Cd≤0.001；杂质总和≤0.1

The chemical composition conforms to GB/T 5235

N4 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
wire, wire rod; 0.1 ≤ t < 0.5	Y2 (Semi-Hard)	685~885
Wire, wire billets; 0.5≤t<1	Y2 (Hard)	580~785
Wire, wire rods; 1≤t<10	Y2 (Hard)	490~640
Wire stock, wire rod; 0.03 ≤ t < 0.2	M (Soft)	≥370	≥15
Wire stock, wire rod; 0.2 ≤ t < 0.5	M (Soft)	≥340	≥20
Wire, wire billets; 0.5≤t<1	M (Soft)	≥310	≥20
Wire, wire rods; 1≤t<10	M (Soft)	≥290	≥25

t= diameter or distance between parallel sides，unit mm

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!