SGV450 - JIS G 3118-2024

Grade	SGV450
Corresponding Standard	JIS G 3118-2024 Carbon Steel Plates For Pressure Vessels for Intermediate and Moderate Temperature Services
Classification	Carbon Steel

SGV450 Chemical Element Composition Content (%)

	Component	C ^①	Si	Mn ^①	P	S
6≤t≤12.5	Minimum Value	-	0.15	0.85	-	-
6≤t≤12.5	Maximum Value	0.24	0.4	1.2	0.02	0.02

① The upper limit of manganese (Mn) content may be increased by 0.06% for every 0.01% decrease in the upper limit of carbon (C) content. However, the maximum manganese content shall not exceed 1.60%.
③ 12.5 < t（plate thickness）≤50mm, C≤0.26%; 50 < t≤100 mm, C≤0.28%; 100 < t≤200 mm, C≤0.29%
④ Additional alloying elements not listed in this table may be added as necessary.

SGV450 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6< t≤40	450~540	≥245	≥19(1A#)
40< t≤50	450~540	≥245	≥19(1A#) ≥23(10#)
50< t≤200	450~540	≥245	≥23(10#)

• 1A#、10# - Tensile sample

Approximate Comparison Table Pressure-Bearing Flat Steel

Japan	United States	International Organization for Standardization
JIS	ASTM	ISO
SB450 SGV450	A515-65 A516-65	PT450GH

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