What is the 42crmo4 qt equivalent sheet forging
With high-quality 42crmo4 qt equivalent steel and professional services, we have won international praise in infrastructure, shipbuilding, oil and other industries, and gradually grow into a bright star in the steel export industry, while winning unanimous praise from foreign customers. It has laid a foundation for the development of our 42crmo4 qt equivalent steel market and improved the control of steel plate production quality.
The JIS G3106 42crmo4 qt equivalent specification is a hot-rolled carbon steel plate for welded structures. The 42crmo4 qt equivalent steel grades include: SM400A/B/C, SM490A/B/C, SM490YA/YB, SM520B/C, SM570.
High wear resistance: fully automatic CNC stacking equipment, independent of manual 42crmo4 qt equivalent welding technology, produces fully qualified high-quality products. Special automatic welding technology enables the chromium content of wear-resistant layer to be controlled at more than 28%, and the 42crmo4 qt equivalent hardness is between 58-62, which fully ensures that our wear-resistant layer has continuous good and balanced wear resistance. The wear test in metallurgy, cement and other industries shows that the wear resistance of the wear-resistant layer of the surfacing composite 42crmo4 qt equivalent wear-resistant steel plate is more than 30 times that of the 16Mn plate with the same thickness.
The wear-resistant layer of wear-resistant steel plate is mainly composed of high-carbon and high-chromium alloy. According to the requirements of different users and service conditions, 42crmo4 qt equivalent, the high-temperature wear-resistant steel plate also contains alloy elements such as Mo, W, V, B, Nb, Ti, etc. The microstructure of the wear-resistant layer is eutectic + M7C3-secondary carbide or complex carbide. It can achieve high wear resistance of normal temperature, high temperature, strong impact, medium impact, and low stress impact.
Q420C steel belongs to low alloy high strength steel. Q420 is named as the steel with yield strength of 420MPa, C means the impact temperature is 0 ℃, and Q is the abbreviation of yield strength. Chemical composition of Q420C steel: C ≤ 0.20, Si ≤ 0.50, Mn ≤ 1.70, P ≤ 0.035, S ≤ 0.035, Nb ≤ 0.07, V ≤ 0.20, Ti ≤ 0.20, Cr ≤ 0.30, Ni ≤ 0.80, Cu ≤ 0.30, N ≤ 0.015, Mo ≤ 0.20. The mechanical properties of Q420C steel are: yield strength ≥ 340 Mpa, tensile strength 500-680 Mpa, elongation after fracture ≥ 18%, impact energy 34J. 42crmo4 qt equivalent, Q420C steel has good mechanical properties and weldability, good cold and hot workability.
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