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Grade 1312
Classification Carbon Steel
1312 Chemical Element Composition Content (%)
  Component C Si Mn P S N *
killed steel Minimum Value - - 0.4 - - -
Maximum Value 0.2 0.25 0.7 0.05 0.05 0.009
  Component C Si Mn P S N *
semikilled steel Minimum Value - - 0.4 - - -
Maximum Value 0.2 0.05 0.7 0.06 0.05 0.009
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
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 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 W-Nr. NF EN/NF EN GOST SS BS EN/BS
Q235
(A3) 		SS330
STKM12A 		Gr.C Fe360B St34-2
USt37-2 		1.0028
1.0036 		A34-2
S235JRG1 		Fe360BFU① 16D
18kp
St3kp 		1312 CEW2BK
Fe360B
3 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
4 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
Q235C SM400B A284C
A284D 		E235C St37-3U E24-3 S235J0
Fe360C 		1.0114 St3ps
St3sp 		1312 40C

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