St37-2 1.0037 - DIN 17100-1980

Grade	St37-2
Germany W-Nr.	1.0037
Corresponding Standard	DIN 17100-1980 Steels for General Structural Purposes Quality Standard
Classification	Carbon Steel

St37-2 Chemical Element Composition Content (%)

	Component	C ^①	Si ^③	Mn ^③	P	S	N ^②
厚度t≤16	Minimum Value	-	-	-	-	-	-
厚度t≤16	Maximum Value	0.17	0.55	1.6	0.05	0.05	0.009

	Component	C ^①	Si ^③	Mn ^③	P	S	N ^②
厚度16<t≤100	Minimum Value	-	-	-	-	-	-
厚度16<t≤100	Maximum Value	0.2	0.55	1.6	0.05	0.05	0.009

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.

St37-2 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t＜3	360~510	≥285	Longitudinal (sample position) 17~21	≥27
			Transverse 15~19
3≤t≤16	340~470	≥285	Longitudinal ≥26	≥27
			Transverse ≥24
16＜t≤40	340~470	≥225	Longitudinal ≥26
			Transverse ≥24
40＜t≤63	340~470	≥215	Longitudinal ≥25
			Transverse ≥23
63＜t≤80	340~470	≥205	Longitudinal ≥24
			Transverse ≥22
80＜t≤100	340~470	≥195	Longitudinal ≥24
			Transverse ≥22

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.

1 Approximate Comparison Table Carbon Structural Steel and Engineering Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

Q235A
Q235B
Q235C
Q235D
(A3)
(C3)

U12352
U12355
U12358
U12359

SS400

SS400
(SS41)

SS400

A570 Gr.A
A570 Gr.D
A283M Gr.D

K02501
K02502

Fe360A
Fe360D

S235JR
S235JRG1
S235JRG2
(St37-2)
(USt37-2)
(RSt37-2)

1.0037
1.0036
1.0038

S235JR
S235JRG1
S235JRG2
(E24-2)
(E24-2NE)

Ст3кп-2
Ст3кп-3
Ст3кп-4
БСт3кп-2

1311
1312

S235JR
S235JRG1
S235JRG2
(40B)
(C)

2 Approximate Comparison Table Carbon Structural Steel and Engineering Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
Q235A Q235B Q235D	SM400A SS400	1015 A283C GradeC GradeD SSGrade33	E235B Fe360B	RSt37-2 St37-2	E24-2	S235JR Fe360B① Fe360BFN① S235JRG2①	1.0038(dubl)	St2ps St2sp St3ps St3sp	1311 1312	40A 40B

St37-2 Corresponding Standards(Same grade name, different standards)

1	DIN 17100-1980
	St37-2 1.0037
2	DIN 1652-1963
	St37-2 1.0161
3	DIN 1652-2-1990
	St37-2 1.0037
4	Q/BQB 303-2018
	St37-2
5	Q/BQB 130-2003
	St 37-2

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