Introduction
Q235 steel is equivalent to Japenese steel grade SS400 in application, the only difference is that ss400 steel requires only S,P composition < 0.050, Q235 has requirements for More element C, Si, Mn, S, P. Yield strength of q235 is >235Mpa, which is almost the same to SS400 245Mpa. Q represents the yield of this material, the latter 235, refers to the yield value of this material, at about 235MPA. With the increase of the thickness of steel plate, the yield value decreases. It is widely used in construction and engineering structures.
Chemical composition and Mechanical properties Of Q235
| Chemical compositionof Q235 | |||||||
| Element | C% | Si% | Mn | S | P | Ni | Fe |
| Content | ≤0.22 | ≤0.35 | ≤1.4 | ≤0.05 | ≤0.045 | 0 | 98.81 - 99.26% |
Mechanical properties of Q235 | |||
| Performance | Tensile strength/Mpa | Elongation /% | Yield strength/Mpa |
| Proportion | 370-500 | 26 | 235 |
Application
It is widely used in construction and engineering structures.
Other Analysis
Advantages
1.It belongs to steel with good plasticity and toughness.
2.The bending strength is not large, and it belongs to the flexible steel.
3.Belongs to easy welding steel.
Standard
1.Q235 die steel quenching specification.
2.The quenching temperature is 950℃, the salt bath furnace is heated, and the 10% NaCl brine is cooled and quenched.
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