Cold rolled sheet hardox 400 properties production line

Mo alloy boiler steel plate HARDOX 400 properties is mainly used for building pressure vessels.The minimum yield strength of SB480M shall be above 275Mpa, and tensile strength of SB480M shall be within 480-620Mpa. For boiler steel plate SB480M with thickness exceeding 38mm shall be normalized when rolling,and belows or equal to 38mm thickness, as rolled is ok. Besides, ultrasonic test is necessary,and high tension, simulated post welded heat treatment shall be chosen by the end users.

20 # material is a high-quality low-carbon carbon steel, cold-extruded, carburized and hardened steel. HARDOX 400 properties, 20 # material has low strength, good toughness, plasticity and good weldability. Chemical composition of 20 # round steel bar: C: 0.17 ~ 0.23, Si: 0.17 ~ 0.37, Mn: 0.35 ~ 0.65, S: ≤0.035, P: ≤0.035, Cr: ≤0.25, Ni: ≤0.30, Cu: ≤0.25. 20# carbon steel mechanical properties: Shear strength 275 ~ 392MPa, Tensile strength is 253 ~ 500MPa, elongation min. 25%.

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