Q275 steel plate

Q275 steel plate is a kind of carbon structural steel, high strength, good plasticity and cutting performance, good welding performance, small parts can be quenched and strengthened, mostly used to manufacture parts with high requirements, such as gears and shafts. , sprockets, keys, bolts, nuts, section steels for agricultural machinery, conveyor chains and links.

Q275 steel plate equivalent material: corresponding to Japanese JIS brand: SS490
International Organization for Standardization:
E275A
Corresponding to the old brand: A5

Chemical composition (mass fraction) of Q275 steel plate (%)
C： ≤0.24
Mn： ≤1.5
Si： ≤0.35
S: ≤0.050 (Class A)
P： ≤0.045

Q275 steel plate is mainly used to manufacture more important mechanical components in construction and bridge engineering, and can replace high-quality carbon steel. Q215B is equivalent to No. 10-15. Q235B is equivalent to 15-20 steel, Q255B is equivalent to 25-30 steel, and Q275B is equivalent. 35-40 steel.
 

Main chemical elements composition of Q275D
C	Si	Mn	P	S
0.20	0.35	1.50	0.035	0.035

Thickness (mm)
Q275D	≤ 16	> 16 ≤ 40	> 40 ≤ 60	> 60 ≤ 100	> 100 ≤ 150	> 150
Yield strength (≥Mpa)	275	265	255	245	225	215
Tensile strength (Mpa)	410-540