棒材加热工艺

组号1234钢种碳结钢号预热段℃一加热段℃二加热段℃三加热段℃650-900650-900650-900650-900850-1050850-1050850-1050850-1050900-1150900-1150900-1150900-11501000-12001000-12001000-12001000-1200均热段℃1100-12601100-12601180-12501100-1250出钢温度℃加热时间h1050-11801050-11801080-11801050-11803.23.23.73.2Q195-Q25508-85 15-70Mn ML15(Mn) 20-25MnSi 优碳 低合金Q295-Q420 CF53 55K GM340 Q345EA油井管 高压20G N80 10MoWVNb 37Mn5 15CrMoG锅炉管45Mn2 SA-210C YJ1 12Cr1MoVG20-28MnCr5 SAE4320H SAE8620H合结QM35CrV G50SiMoA 17CrNiMo6 CM490CM6905合结15-50Cr 20MnV 20-42SiMn（Nb） AH36H66 12-42CrMo 12-35CrMoV 20-50CrV20-35CrMnSi 20-30CrMnTi 40-50B 20-40MnVB 20MnV 15-40CrNiMo 10-50Mn2650-90020Mn2B SCM822 20MnNiMo 20-40CrMnMo20-25MnTiB H30CrMnSiA AISI414040MnB 15Mn2Al 10MnD 08Cr2AlMo（ReE） M70CrNiMo 20CrNi3H55-60Si2Mn 50-60CrVA 60Si2CrA60Si2CrVA T7-T13 55SiMnVB 9SiCr9Mn2V 5CrMnMo 5CrNiMo GCr15 GCr15SiMn GCr15SiMo GCr18Mo0-1Cr18Ni9 0-1Cr18Ni9Ti650-900650-900650-900850-1050900-11501000-12001100-12601080-11803.2678弹簧 碳工 合工轴承 锚链不锈850-1050850-1050850-1050900-1150900-1150900-11501000-12001000-12001000-12001100-12601200-12501150-12601050-11801080-11801080-11803.75.35.3