17-4 PH Stainless Steel Machined Parts

Stainless Steel Alloy 17-4 PH

Stainless steel alloy 17-4 PH is a hard alloy, ideal for parts that require high strength and corrosion resistance. It withstands corrosive attacks better than any stainless steel. When heat-treated, the strength and ductility of 17-4 PH is greatly enhanced.

17-4 PH has a machining cost factor of 5.0 when compared to steel 12L14. It is forgeable and readily weldable and does not require pre- or post-heating processing. 17-4 PH can be heat treated and annealed.

Industries & Applications

  • Shafts
  • Seals
  • Medical equipment
  • Aerospace components

Stainless Steel 17-4 PH Characteristics

TEMPER

Yield Strength

Ultimate Tensile Strength

Modulus of Elasticity

Brinell Hardness (3,000kg/10mm)

H900

180

200

29,000

450

H1025

160

170

29,000

380

H1100

130

160

29,000

350

H1150

110

150

29,000

320

 

Stainless Steel Cost Comparison

Type General Characteristics Alloy Common Applications Tolerances for a 1/2" Dia. Bar Material Cost Factor Machining Cost Factor
Stainless Steel
Excellent corrosion resistance and heat treatable
17-4 PH
Medical, aerospace, applications needing corrosion resistance and hardness
+/-.002 3.5 5

Common Material Cost Comparison

Type General Characteristics Alloy Common Applications Tolerances for a 1/2" Dia. Bar Material Cost Factor Machining Cost Factor
Steel
Designed for excellent machinability. Case hard only
12L14
Endless commercial products; probably more pounds used in turned products than any other bar stock
Cold drawn
0
1 1
Stainless Steel
Designed for machining, non-magnetic
303
Electronic hardware, automotive, aerospace, medical instruments, and many applications requiring corrosion resistance
Cold finished
+/- .002
1.9 2.7
Brass
Strength, corrosion and wear resistance, and excellent machinability
C35300
Well suited for parts with knurling or threading
+0015 3.5 .07
Aluminum
Designed for machining
2011
Electronic hardware, endless commercial products
Cold finish
+/-.0015
3.8 .6
Titanium
High strength, light weight, good bio-compatibility
Ti-6Al-4VEli
Medical implants
Ground & polished
+/-.002
30.2 6

To review our Machining Materials Guide, please click here.

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