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Grade SS490
Old Grade
Corresponding Standard JIS G 3101-2011
Rolled steels for general structure
Classification Carbon Steel
SS490 Chemical Element Composition Content (%)
Component P S
Minimum Value - -
Maximum Value 0.05 0.05
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 UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS BS EN/BS
Q275
(C5) 		U12752 SS490 SS490
(SS50) 		SS490 K02901 Fe430A S275J2G3
S275J2G4
(St44-3N) 		1.0144
1.0145
1.0055 		S275J2G3
S275J2G4 		Ст5кп-2
Ст5кп
БСт5кп-2 		1430 S275J2G3
S275J2G4
(43D)
2 Approximate Comparison Table Carbon Structural Steel and Engineering Steel
China Japan United States International Organization for Standardization Germany France European Standard Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade SS BS EN/BS
Q345B
Q345C 		SM490A
SS490 		A572
A678Gr.A
SSGrade50 		E355C
Fe510B 		St52-3 E36-2 S355JR
Fe510B 		1.0045 2132-01 50B
3 Approximate Comparison Table Carbon Structural Steel and Engineering Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI ISO EN Numerical Grade
Q275A
(GB/T 700-2006) 		U12752 SS490
(JIS G3101:2004)
(JIS G3106:2004) 		Gr.70[290]
(ASTM A573/A573M:2000) 		E275A
(ISO 630:1995) 		S275JR
(EN 10025-2:2004) 		1.0044
SS490 Corresponding Standards(Same grade name, different standards)
1 JIS G 3101-2011
SS490 (SS50)
2 JIS G 3101-2015
SS490
3 Q/ASB 271-2017
SS490
4 Q/BQB 303-2018
SS490
5 Q/BQB 130-2003
SS490

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