Q195 steel is Chinese steel grade of carbon structural steel, “Q” stands for Yield Strength, “195” means the Yield Strength is 195 Mpa, and Tensile Strength is 315 – 430 Mpa, the data is tested based on 16mm diameter steel bar. Q195 material has high versatility, durability, and weldability, great weight, and processability, however low quality.
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Chemical composition and mechanical properties Of Q195 steel ：
| Chemical composition of Q195 steel | |||||
| Element | C | Mn | P | S | Ni |
| Content | 0.12 | 0.5 | 0.035 | 0.04 | 0.3 |
| Physical properties of Q195 steel | |||
| Grade | Tensile strength | Yield point | Elongation % |
| Q195 | 315 – 430 Mpa | 195 Mpa | 33 |
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