Q345 material according to GB/T 1591 – 2008 standard. “Q” is the first letter of Chinese Pinyin: “qu fu dian”, which means Yield Point, “345” is short for 345 MPa. Q345 steel weldability, cold & hot workability and corrosion resistance are good. Widely used in bridges, ships, boilers, pressure vessels, petroleum storage tanks, lifting transport machinery and other high-load welded structural parts
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Steel Standard
|
Steel Grade |
Chemical Composition |
||||||||
|
C≤ |
Mn |
Si≤ |
P≤ |
S≤ |
V |
Nb |
Ti |
Al≥ |
||
|
Q345 |
C |
0.20 |
1.00~1.60 |
0.55 |
0.035 |
0.035 |
0.02~0.15 |
0.015~0.060 |
0.20 |
0.015 |
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Steel Standard
|
Steel Grade |
Yield Strength Mpa |
Tensile Stregth Map |
Elongation % |
|
Q345 |
C |
345 |
470~630 |
22 |
Q345C steel is a Chinese GB standard Low Alloy High Strength Structural Steel, made with a hot-rolling process, used for a number of manufacturing purposes,If you need Q345C, please contact Katalor immediately.
