达富供应1018无缝铁管管材 原厂材质证明全规格12L14无缝铁管管材
通用结构钢
1非合金结构钢
S185 S235JR S235J0 S235J2 S275JR S275J0 S275J2 S355JR S355J0 S355J2 S355K2 S450J0 E295 E335 E360
2一般结构用钢
AF34C10 AF37C12 AF42C20 AF50C30 AF50S AF55C35 AF60C4 AF65C45 AF70C55
二低合金钢和耐候钢
细晶粒低合金用钢
P265NJ2 P265NJ4 P285NJ2 P345NJ2 P345NGJ2 P345NGJ4 P400NGJ2 P400NGJ4 P40NJ4 P460NJ2 S235J0W S235J2W S355J0WP S355J2WP S355J0W S355J2W S355K2W
表面硬化结构钢
C10E C10R C15E C15R C16E C16R 17Cr3 17CrS3 28Cr4 28CrS4 16MnCr5 16MnCrS5 16MnCrB5 20MnCr5 20MnCrS5 10NiCr5-4 15NiCr13 16NiCr4 16NiCrS4 18NiCr5-4 20MoCr3 20MoCrS3 20MoCr4 20MoCrS4 17CrNi6-6 18CrMo4 18CrMoS4 22CrMoS3-5 18CrNiMo7-6 14NiCrMo13-4 17NiCrMo6-4 17NiCrMoS6-4 20NiCrMo2-2 20NiCrMoS2-2 20NiCrMoS6-4
