30Mn high quality carbon steel material analysis
1. Analysis of 30Mn steel plate material
30Mn steel is a low-carbon carburized steel with a high manganese content. Its strength and hardenability are higher than those of No. 30 steel. It has medium weldability, medium cold deformation, medium plasticity, and good cutting processability. It is generally used in the normalized state.
2. 30Mn steel plate implementation standard: GB/T711-2017
3. 30Mn steel plate delivery status: hot rolled or heat treated (annealed, normalized or high temperature tempered). If heat treatment is required for delivery, it should be stated in the contract. If it is not stated, it will be delivered without heat treatment.
4. Chemical composition of 30Mn steel plate:
Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
≤ | ||||||||
30Mn | 0.27-0.34 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.03 | 0.2 | 0.3 | 0.25 |
5. Mechanical properties of 30Mn steel plate:
Grade | Tensile strength | Elongation (minimum) |
30Mn | ≥ 540 | 20 |
6. 30Mn steel plate size, shape, weight and allowable deviation
The size, shape, weight and allowable deviation of 30Mn steel plate comply with the requirements of GB/T709.
7. 30Mn steel plate smelting method
30Mn steel is smelted by oxygen converter or electric furnace.
8. 30Mn steel plate ultrasonic testing
After negotiation between the supplier and the buyer, the steel plate can be subjected to ultrasonic testing in accordance with GB/T2970. The testing standards and qualification levels should be specified in the contract.
