astm a633 grade c yield strength stockist in india

ASTM A387 Grade 91 is a high level steel grade for outstanding heat and anti corrosion and oxidation resistance characteristics, it astm a633 grade c yield strength satisifies most applications in fierce working environment with higher requirements.

20 # material is a high-quality low-carbon carbon steel, cold-extruded, carburized and hardened steel. , 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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Since the beginning of this year, the global steel pipe industry, like many other industries, is facing severe market situation. The difference is that novel coronavirus pneumonia is not only affected by the epidemic, but also closely linked to the oil and gas industry, and the global steel tube industry will also suffer from the "flash collapse" of international oil prices in March.