Custom 455 is a martensitic age-hardening stainless steel that has higher strength and hardness capability when compared to Custom 450 stainless. Its hardness capability is approximately HRC 50. Custom 455 has good corrosion resistance to atmospheric environment coupled with ease of fabrication.
Custom 455 is also known as XM-16.
Specifications:
- UNS S45500
- AMS 5617
- AMS 5578 (welded tube)
- AMS 5860 (sheet, strip, plate)
- MIL-S-83311
- ASTM A564
- ASTM F899
- ASME SA-564
- ASTM A693
- Boeing HMS-6-1093
Capable of ASTM A-564 XM-16
Also known as Grade XM16
Alloy 455 Condition Annealed: Rc Hardness 31
Alloy 455 Condition H900: Rc Hardness 49
Alloy 455 Condition H950: Rc Hardness 48
Alloy 455 Condition H1000: Rc Hardness 45
Alloy 455 Condition H1050: Rc Hardness 40
Applications:
Medical instruments, small turbine engine shafts, extruder screws.