17-4pH (17-4 pH, 1.4542, X5crnicunb16-4) Forged Forging Steel Casing Heads/Tubing Heads(AISI 630, 17/4 pH, SUS 630, UNS S17400, Z6CNU17-04, X5CrNiCuNb16.4)
|Min. Order (Pieces)||FOB Price|
|1+||US $2 / Piece|
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17-4 Stainless Steel SHEET / PLATE
ROUND BAR 17-4 CENTERLESS GROUND
ROUND BAR 17-4 ROUGH TURNED
17-4 PH Stainless Steel Condition A (annealed)
Ultimate Tensile Strength, psi
Yield Strength, psi
69.91 - 78.85%
15 - 17.5%
Niobium (Nb) + Tantalum (Ta)
0.15 - 0.45% max
3 - 5%
17-4 Precipitation Hardening also known as Type 630 is a chromium-copper precipitation hardening stainless steel used for applications requiring high strength and a moderate level of corrosion resistance. High strength is maintained to approximately 600 degrees Fahrenheit (316 degrees Celsius).
Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with Cu and Nb/Cb additions. The grade combines high strength, hardness (up to 572°F / 300°C), and corrosion resistance.
Mechanical properties can be optimized with heat treatment. Very high yield strength up to 1100-1300 MPa (160-190 ksi) can be achieved.
The grade should not be used at temperatures above 572°F (300°C) or at very low temperatures. It has adequate resistance to atmospheric corrosion or in diluted acids or salts where its corrosion resistance is equivalent to Alloy 304 or 430.
Offshore (foils, helicopter deck platforms, etc.)
Pulp and paper industry
Aerospace (turbine blades, etc.)
Nuclear waste casks