SNCM 240 SNCM 6 - JIS G 4103-1979

Grade	SNCM 240
Old Grade
Corresponding Standard	JIS G 4103-1979 Nickel Chromium Molybdenum Steel
Classification	Alloy Steel

SNCM 240 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.38	0.15	0.7	-	-	0.4	0.4	-	0.15
Maximum Value	0.43	0.35	1	0.03	0.03	0.65	0.7	0.3	0.3

SNCM 240 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	Impact Energy Absorption KV2 J
Quenching + Tempering	≥883	≥785	≥17	≥50	255~311	≥69

New and Old Grade Replacement List

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN	Numerical Grade
SNCM240	41CrNiMo2	41CrNiMo2	1.6584

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN	Numerical Grade
SNCM240	41CrNiMo2	41CrNiMo2	1.6584

SNCM240 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"!