17-4PH

17-4PH

17-4PH (UNS S17400) is an Age Hardened Martensitic Stainless Steel with excellent machinability and good corrosion resistance.  The material can be hardened to different strength levels to accommodate the specified requirements of the designed component. vSM stocks multiple conditions of 17-4 including the H1150M and DH 1150 for NACE service.

For inquires and technical info call us today at + 1 800-704-6866

17-4PH Specification/Condition

• Stocking the following conditions
  • Annealed
  • H900
  • H1025
  • H1075
  • H1150M NACE
  • DH1150 NACE

Applications

• valves
• pump shafts
• rotors

17-4PH Technical Data

• UTS (KSI): 135 Min
• Yield 0.2% Offset (KSI): 110 Min
• EL (% Min): 18
• RA (% Min): 55
• Hardness (HRC): 28-32
• Charpy Impact Min. ft-lbs: 20 @-75°F

Stocking Dimensions

• Bar: 0.5 – 15.0 in
• Bored Bar with bespoke internal diameters via vSM’s in-house deep hole drilling and honing capabilities

 

17-4PH Chemical composition (Wt %)

 

Carbon (C)	Manganese (Mn)	Phosphorus (P)	Sulfur (S)	Silicon (Si)	Nickel (Ni)	Cobalt (Co)
0.07 Max	1.00 Max	0.040 Max	0.030 Max	1.00 Max	3.0-5.0	–

 

Chromium (Cr)	Molybdenum (Mo)	Niobium + Tantalum (Nb (Cb) + Ta)	Titanium (Ti)	Copper (Cu)	Aluminum (Al)	Iron (Fe) & Others
15.0-17.5	–	0.15-0.45 Max	–	3.00-5.00	–	Fe– Balance