Location » Home » Grades > Special Alloy > 17-4PH
17-4PH Application:Martensitic special steel
Category Type Steel grade Country
Grades Special Alloy 17-4PH USA

Chemical composition % of the ladle analysis of grade 17-4PH

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%) Nb(%)
0.07 1 1 Max 0.04 Max 0.03 15.5-17.5 3.00-5.00 3.00-5.00 0.15-0.45
17-4PH
Mechanical properties of grade 17-4PH
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
958 (≥) 237 (≥) 44 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Physical properties of grade 17-4PH
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
688 (≥) 453 (≥) 12 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
499 755 714
17-4PH Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
A 1028 S17400 USA
Stainless Steel Bars for Compressor and Turbine Airfoils
A 564 S17400 USA
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A 693 S17400 USA
Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A 705 S17400 USA
Age-Hardening Stainless Steel Forgings
A 982 S17400 USA
Steel Forgings, Stainless, for Compressor and Turbine Airfoils
A 988 S17400 USA
Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service
F738 Class P1-90 S17400 USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F836 Class P1-90 S17400 USA
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
S17400 USA
Precipitation Hardenable Cr-Ni-Cu Stainless Steel (17-4 PH)
SA-564 S17400 USA
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
SA-693 S17400 USA
Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
SA-705 S17400 USA
Specification for Age-Hardening Stainless Steel Forgings
17-4PH USA
Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4)
17-4PH USA
Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4)
Z6CNU17-04 USA
PH Stainless Steel
17-4PH, 1.4542, X5CrNiCuNb16-4 USA
Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4)

Relevant products

17-4PH Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
17-4PH Coil Stock 0.08*200mm Coil or Strip Kgs 1623 Cold-Rolled+Annealed Enquiry
17-4PH Round Bar Φ5-300mm*L Round Bar Kgs 46958 Hot-Rolled+Annealed+black Enquiry
17-4PH plate 8-45*1200*3000mm Plate or Sheet Tons 4.9 Hot-Rolled+Annealed+black Enquiry

Enquiry