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C:0.01~0.08 Si:0.50~0.90 Mn:1.00~2.00 Mo:0.40~0.80 N:0.04~0.10 Cr:12.50~14.50 Ni:4.50~5.20 Others:3.50~5.50 Hardness: 43~48HRC Application:Continuous caster roller,mixer and valve etc. Welding flux: ...