A516 Grade 70 A516M Grade 485 - ASTM A516/A516M-2025

Grade	A516 Grade 70
Other Names
Corresponding Standard	ASTM A516/A516M-2025 Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service
Classification	Carbon Steel

A516 Grade 70 Chemical Element Composition Content (%)

	Component	C ^①	Si	Mn ^①	P	S
t≤12.5mm	Minimum Value	-	0.15	0.85	-	-
t≤12.5mm	Maximum Value	0.27	0.4	1.2	0.025	0.025

	Component	C ^①	Si	Mn ^①	P	S
12.5mm＜t≤50mm	Minimum Value	-	0.15	0.85	-	-
12.5mm＜t≤50mm	Maximum Value	0.28	0.4	1.2	0.025	0.025

	Component	C ^①	Si	Mn ^①	P	S
50mm＜t≤100mm	Minimum Value	-	0.15	0.85	-	-
50mm＜t≤100mm	Maximum Value	0.3	0.4	1.2	0.025	0.025

	Component	C ^①	Si	Mn ^①	P	S
t＞100mm	Minimum Value	-	0.15	0.85	-	-
t＞100mm	Maximum Value	0.31	0.4	1.2	0.025	0.025

① For each reduction of 0.01 percentage point below the specified maximum for carbon, an increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50 % by heat analysis and 1.60 % by product analysis.

A516 Grade 70 Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
50mm＜t≤200mm	485~620	≥260	≥17
t≤50mm	485~620	≥260	≥21

A516Grade70 Corresponding Standards(Same grade name, different standards)

1	ASTM A516/A516M-2017
	A516 Grade 70 A516M Grade 485
2	ASTM A516/A516M-2025
	A516 Grade 70 A516M Grade 485

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