NiCr 15 Fe 7 TiAl - ISO 683-15-1992

Grade	NiCr 15 Fe 7 TiAl
Corresponding Standard	ISO 683-15-1992 Valve steels for internal combustion engines
Classification	Alloy Steel

NiCr 15 Fe 7 TiAl Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Mo	Ti	Al	More
Minimum Value	5	0.03	-	-	-	-	14	-	2	1.1	Nb+Ta：0.70~1.20；Ni余量
Maximum Value	9	0.1	0.5	0.5	0.015	0.015	17	0.5	2.6	1.35	Nb+Ta：0.70~1.20；Ni余量

NiCr 15 Fe 7 TiAl Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Solution Treatment (ST) + Precipitation Hardening (P)	1100~1300	≥750	≥12	≥20	HRC ≥32

Approximate Comparison Table Deformed High-Temperature Alloy

China	United States	International Organization for Standardization
GB	SAE	ISO
GH4751	HEV3	NiCr15Fe7TiAl

NiCr15Fe7TiAl Corresponding Standards(Same grade name, different standards)

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