SCMV3-1 - JIS G 4109-2024

Grade	SCMV3-1
Corresponding Standard	JIS G 4109-2024 Chromium-Molybdenum Alloy Steel Plates for Boiler and Pressure Vessels
Classification	Alloy Steel

SCMV3-1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^①	Cu ^①	Mo	Ti ^②	V ^②	Nb ^②	B
Minimum Value	-	0.5	0.4	-	-	1	-	-	0.45	-	-	-	-
Maximum Value	0.17	0.8	0.65	0.02	0.02	1.5	0.4	0.4	0.65	0.03	0.03	0.02	0.003

① Copper (Cu) and nickel (Ni) contents may be added beyond the values listed in this table, by agreement between the supplier and purchaser.
② By mutual agreement between the supplier and the buyer, Nb≤0.05%, V≤0.1%, and Ti≤0.05%.

SCMV3-1 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6≤t≤50	410~590	≥235	≥19
50＜t≤200	410~590	≥235	≥22

Approximate Comparison Table Pressure-Bearing Flat Steel

Japan	United States	International Organization for Standardization
JIS	ASTM	ISO
SCMV3-1	A387-11-1	14CrMoSi 5-6+NT1

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