famenvalve 发表于 2007-6-27 08:16:32

ASTM A 437/A 437M-01a Standard Specification for Alloy-Steel Turbine-Type Boltin

ASTM A 437/A 437M-01a Standard Specification for Alloy-Steel Turbine-Type Bolting Material Specially Heat Treated for High-Temperature Service

ASTM A 437/A 437M-01a 高温设备用经特殊热处理的涡轮型合金钢螺栓材料标准规范
页: [1]
查看完整版本: ASTM A 437/A 437M-01a Standard Specification for Alloy-Steel Turbine-Type Boltin