G17NiCrMo13-6 1.6781 - ISO 4991-2024

Grade	G17NiCrMo13-6
ISO Numeric Designation	1.6781
Corresponding Standard	ISO 4991-2024 Steel castings for pressure purposes
Classification	Cast Steel

G17NiCrMo13-6 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.15	-	0.55	-	-	1.3	3	-	0.45	-
Maximum Value	0.19	0.5	0.8	0.015	0.015	1.8	3.5	0.3	0.6	0.05

G17NiCrMo13-6 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t ≤ 200	Quenching + Tempering (+QT) Quenching temperature 890~930°C , Tempering temperature 600~640°C	750~900	≥600	A: ≥15	-80°C: ≥27

Approximate Comparison Table Cast Steel

China	International Organization for Standardization
GB	ISO	Numerical Grade
ZG17Ni3Cr2Mo	G17NiCrMo13-6	1.6781

G17NiCrMo13-6 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"!