A30302

Standards

• GB/T 3077:1999Alloy structure steels
  • Chemical composition
  • Mechanical properties
• GB 13447:2008Steel blank for seamless gas cylinder
  • Chemical composition
  • Mechanical properties
• GB 18248:2008Seamless steel tubes for gas cylinder
  • Chemical composition
  • Mechanical properties
  • High & low temperature
• GB/T 24181:2009Steels for diamond welded saw blades
  • Chemical composition
  • Mechanical properties
• GB/T 3078:2008Technical requirements for quality structural steel cold drawn bars
  • Chemical composition
  • Mechanical properties
• GB 5067:1985GB 5067
  • Chemical composition