17-4PH
Similar Grades
GB/T | UNS | AISI/ASTM | JIS | W.Nr |
05Cr17Ni4Cu4Nb | S17400 | 630,17-4PH | SUS630 | 1.4542 |
Chemical Composition of 17-4PH:
Alloy | % | Ni | Cr | Fe | C | Mn | Si | S | Cu | Nb | P |
17-4PH | min | 3 | 15.5 | Balance | 3 | 0.15 | |||||
max | 5 | 17.5 | 0.07 | 1 | 1 | 0.03 | 5 | 0.45 | 0.035 |
Physical Properties of 17-4PH:
Density | 7.78/cm3 |
Melting Point | 1400-1440 ℃ |
Mechanical Properties of 17-4PH Alloy at Room Temperature:
Heat Treatment Process | Tensile Strength Rm (N/mm²) | Yield Strength RP0.2 (N/mm²) | Elongation A5 (%) | HRC(HBS) |
Aging at 480℃ | ≥1310 | ≥1180 | ≥10 | ≥40 |
Aging at 550℃ | ≥1060 | ≥1000 | ≥12 | ≥35 |
Aging at 580℃ | ≥1000 | ≥865 | ≥13 | ≥31 |
Aging at 620℃ | ≥930 | ≥325 | ≥16 | ≥28 |
Characteristics of 17-4PH Alloy
It features high strength, hardness, relatively good weldability and corrosion resistance.
Application Fields of 17-4PH AlloyH：
It is used for high-strength components with certain corrosion resistance requirements, etc.
