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Grade SS400
Old Grade
Corresponding Standard JIS G 3101-2011
Rolled steels for general structure
Classification Carbon Steel
SS400 Chemical Element Composition Content (%)
Component P S
Minimum Value - -
Maximum Value 0.05 0.05
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS 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
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
Q225A
Q275Z 		SS400 A283D
A529
Gr.D 		E275B RSt42-2
St 44-2 		E28-2 S275JR
Fe430B① 		1.0044 St4ps
St4sp 		1411
1412 		161-430
43A
43B
3 Approximate Comparison Table
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
4 Approximate Comparison Table
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI ISO EN Numerical Grade
Q235A
(GB/T 700-2006) 		U12352 SS400
(JIS G3101:2004)
(JIS G3106:2004) 		Gr.65[240]
(ASTM A573/A573M:2000) 		E235A
(ISO 630:1995) 		S235JR
(EN 10025-2:2004) 		1.0038
5 Approximate Comparison Table
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI ISO EN Numerical Grade
Q235B
(GB/T 700-2006) 		U12355 SS400
(JIS G3101:2004)
(JIS G3106:2004) 		Gr.65[240]
(ASTM A573/A573M:2000) 		E235B
(ISO 630:1995) 		S235JR
(EN 10025-2:2004) 		1.0038
SS400 Corresponding Standards(Same grade name, different standards)
1 JIS G 3101-2011
SS400 (SS41)
2 KS D 3503-2008
SS400 SS41
3 JIS G 3101-2015
SS400
4 Q/ASB 271-2017
SS400
5 Q/BQB 303-2018
SS400
6 Q/BQB 130-2003
SS400

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