Stainless Steel 15-5 PH Fasteners embody a martensitic grade stainless steel renowned for its resilience and durability. The alloy composition of SS 15-5 PH Fasteners features a significant proportion of chromium, nickel, and copper. This martensitic stainless steel grade derives its strength from the precipitation of these core elements, further augmented by the addition of trace amounts of other elements. The SS 15-5 PH Fasteners exhibit exceptional toughness and strength properties, tailored by the aging or precipitation temperature applied during the alloy's reinforcement.
SS 15-5 PH Fasteners boast an array of advantages, primarily characterized by their robust martensitic composition. The alloy makeup of SS 15-5 PH includes a notable presence of chromium, nickel, and copper, contributing to its resilience. The precipitation of these core elements, coupled with trace element additions, enhances the strength and durability of the fasteners.
Notably, SS 15-5 PH fasteners excel in corrosion resistance, making them particularly suitable for environments prone to corrosion, such as those near water bodies or saltwater pools. Additionally, their impressive tensile strength renders them indispensable in heavy-duty industrial applications where sturdy connections are vital for operational reliability. The versatility of SS 15-5 PH fasteners extends to achieving a broad range of toughness and strength properties, dependent on the aging or precipitation temperature applied to fortify the alloy.
Standard SS 15-5Ph Fasteners specifications as per Fasteners manufacturers.
| Material | Stainless Steel 15-5 PH |
| Specification | IS/BS/ASTM |
| Standards | ASTM / ASME - A/ SA 193 |
| Size | 3 mm to 200 mm |
| Length | M02 to M30 |
Each SS 15-5Ph Fasteners have unique design each of them are used in specific applications. Some of them are mentioned below.
Note that this chart includes only some of the most common sizes of SS 15-5Ph Bolt. There are many other sizes available as well, and some applications may require custom sizes or special configurations.
Chromium (Cr)
14.0 - 15.5%
Nickel (Ni)
3.5 - 5.5%
Copper (Cu)
2.5 - 4.5%
Manganese (Mn)
≤1.0%
Silicon (Si)
≤1.0%
Columbium + Tantalum (Cb+Ta)
0.15 - 0.45%
Carbon (C)
≤0.07%
Phosphorus (P)
≤0.04%
Sulfur (S)
≤0.03%
Iron (Fe)
Balance
| Density | 7.8 g/cm³ (0.282 lb/in³) |
| Melting Point | 2560 - 2625°F (1404 - 1440°C) |
| Tensile Strength | 1100 - 1300 MPa (160 - 190 ksi) |
| Yield Strength (0.2%Offset) | 1000 - 1200 MPa (145 - 175 ksi) |
| Elongation | 10 - 14% |
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