St37-3 1.0116 - DIN 17100-1980

Grade	St37-3
Germany W-Nr.	1.0116
Corresponding Standard	DIN 17100-1980 Steels for General Structural Purposes Quality Standard
Classification	Carbon Steel

St37-3 Chemical Element Composition Content (%)

Component	C	P	S
Minimum Value	-	-	-
Maximum Value	0.17	0.04	0.04

①For product thickness t >100mm，C content according to the agreement
②For every 0.005% decrease in P below the specified maximum value, N may be increased by 0.001%. The nitrogen (N) content shall not exceed 0.012% in the ladle analysis and 0.014% in the product analysis.
③The content may not exceed 0.55%Si and 1 .60% Mn in the ladle analysis or 0.60%Si and 1 .70% Mn in the sample analysis.

St37-3 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t＜3	360~510	≥235	15~21
3≤t≤16	340~470	≥235	24~26
16＜t≤40	340~470	≥225	24~26
40＜t≤63	340~470	≥215	23~25
63＜t≤80	340~470	≥215	22~24
80＜t≤100	340~470	≥215	22~24

① Tensile test values apply to longitudinal specimens for steel with a width < 600 mm; for steel with a width ≥ 600 mm, transverse specimens shall be used.
② U=hot-rolled, non-heat-treated; N=normalized.
③ Impact energy absorption: The average of three tests is taken as the test result. The minimum average value is 23 or 27 J, and only one individual value is allowed to be up to 30% below the maximum (average) value.

St37-3 Corresponding Standards(Same grade name, different standards)

1	DIN 17100-1980
	St37-3 1.0116
2	DIN 1652-2-1990
	St37-3 1.0116
3	Q/BQB 130-2003
	St 37-3

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