For A572 grade 50 ms steel coil ASTM A106 seamless steel pipe could transport fluids or gasses at high temperature and pressure levels, with 3 grades A, B, C, most common used ASTM A106 Grade B A572 grade 50 ms steel coil is widely used in the projects of oil and gas refineries, power plants, petrochemical plants, boilers.
NM450 steel plate thickness≦80mm. A572 grade 50 ms steel coil, NM450 wear-resistant steel plates are used in engineering machinery, mining machinery, coal mining machinery, environmental protection machinery, metallurgical machinery, abrasive tools, bearings and other product parts.NM450 Cchemical composition: C≤0.35; Si≤0.70; Mn≤1.70; P≤0.025; S≤0.010; Cr≤1.10; Ni≤0.80; Ti≤0.050; Mo≤0.55; B: 0.0005-0.006; Al≥0.010. Mechanical properties: Tensile strength Rm / MPa ≧ 25; -20 ℃ impact energy absorption (longitudinal) KV2 / J ≧ 24Surface Brinell hardness HBW: 420-480
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