04Cr12Ni8Cu2TiNb S51280 - GB /T 24588-2019 - H2ABC

中文版

Grade	04Cr12Ni8Cu2TiNb
China ISC	S51280
Corresponding Standard	GB /T 24588-2019 Stainless Steel Wires for Spring
Classification	Precipitation-Hardening Stainless Steel
Properties	High Elasticity Corrosion Resistance Good Weldability

04Cr12Ni8Cu2TiNb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	Nb
Minimum Value	-	-	-	-	-	11	7.5	1.5	-	0.08	0.1
Maximum Value	0.05	0.5	0.5	0.04	0.03	12.5	9.5	2.5	0.5	1.4	0.5

04Cr12Ni8Cu2TiNb Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa
Cold Drawn Steel Wire; 0.2 ≤ d < 1		≥1690
Cold Drawn Steel Wire; 1 ≤ d < 1.3		≥1620
Cold Drawn Steel Wire; 1.3 ≤ d < 1.5		≥1550
Cold Drawn Steel Wire; 1.5 ≤ d < 1.9		≥1515
Cold Drawn Steel Wire; 1.9 ≤ d < 2.2		≥1480
Cold Drawn Steel Wire; 2.2 ≤ d < 2.4		≥1450
Cold Drawn Steel Wire; 2.4 ≤ d < 2.8		≥1380
Cold Drawn Steel Wire; 2.8 ≤ d < 3.2		≥1345
Cold Drawn Steel Wire; 3.2 ≤ d < 3.8		≥1310
Cold Drawn Steel Wire; 3.8 ≤ d < 12		≥1240
Sample; 0.2 ≤ d < 1	Aging	2205~2415
Sample; 1 ≤ d < 1.30	Aging	2135~2345
Sample; 1.3 ≤ d < 1.5	Aging	2100~2310
Sample; 1.5 ≤ d < 1.9	Aging	2035~2240
Sample; 1.9 ≤ d < 2.2	Aging	2000~2205
Sample; 2.2 ≤ d < 2.4	Aging	1965~2170
Sample; 2.4 ≤ d < 2.8	Aging	1915~2125
Sample; 2.8 ≤ d < 3.2	Aging	1875~2080
Sample; 3.2 ≤ d < 3.8	Aging	1825~2035
Sample; 3.8 ≤ d < 12	Aging	1795~2000

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