alloy steel

• Carbon and low - alloy steel forgings for pressure vessels
  压力容器用碳素钢和低合金钢锻件
• Standard specification for superstrength alloy steel forgings
  超强度合金钢锻件的标准规范
• Alloy steel boiler and heat exchanger tubes
  锅炉与热交换器用合金钢钢管
• Low - alloy steel forgings for low temperature pressure vessels
  低温压力容器用低合金钢锻件
• Benz sl triplet aluminum alloy steel ring extractor
  按这里可以看大图
• （ a ） these cutting tools are all made of hard - alloy steels
  这些刀具都是用硬合金钢制造的。
• Feature of aluminized silicon alloy steel sheet
  镀铝硅合金钢片的特色
• Low - alloy steel electrodes and fluxes for submerged arc welding
  埋弧焊用低合金钢焊丝和焊剂
• Washers , concave , in alloy steel , cadmium plated
  镀镉合金钢凹形垫圈
• Submerged arc welding fluxes for carbon steel and low alloy steel
  碳钢及低合金钢用埋弧焊焊剂