Q275A U12752 Q275AZ - GB /T 3274-2017

Grade	Q275A
China ISC	U12752
Other Names
Corresponding Standard	GB /T 3274-2017 Hot-Rolled Plates, Sheets and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Sheets
Brand/Supplier	-> BAOSTEEL
Classification	Carbon Steel
Properties	Weldability

Q275A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	As	N
Minimum Value	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.24	0.35	1.5	0.045	0.05	0.3	0.3	0.3	0.08	0.008

Q275A Mechanical Properties

thickness(diameter) t(d) mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≤16	410~540	≥275	≥22
＞16～40	410~540	≥265	≥22
＞40～60	410~540	≥255	≥21
＞60～100	410~540	≥245	≥20
＞100～150	410~540	≥225	≥18
＞150～200	410~540	≥215	≥17

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

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

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	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

Q275A Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!