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Q370qC structural steel for bridges steel plate

Q370qC material is a Chinese structural steel grade for bridges. It has high strength, toughness, and can withstand the load and impact of rolling stock, and must have good fatigue resistance, certain low temperature toughness and atmospheric corrosion resistance. The Q370qC steel for tie-welding bridges should also have good welding performance and low notch sensitivity.

Q370qC steel meaning
Q—The first letter of the Chinese pinyin of "qu" for the yield point of bridge steel;
370—Yield point value, unit Mpa;
q—The first letter of the Chinese pinyin of "bridge" in bridge steel;
C —C indicates the steel quality level like D, E.
Q370qC steel composition(%)


C

Si

Mn

P

S

Nb

V

Ti

Cr

Ni

Cu

Mo

B

N

Als

Max.

Min.

≤0.18

≤0.55

1.00-1.70

0.03

0.025

0.06

0.08

0.03

0.8

0.5

0.55

0.2

0.004

0.012

0.015

Q370qC steel mechanical properties


Tensile test

V-shaped impact test

Yield strength, MPa

Strength strength, MPa

Elongation, A%

Test temperature/℃

Shock absorption energy/J

Thickness, mm

≤50

50-100

Min.

Min.

370

360

510

20

0

47

If you are looking for Q370qC structural steel plates in China, welcome to contact us. We have large quantity structural steel Q370qC Hot rolled plates with high quality.

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