Home > Pipe Fittings > Stainless Steel 17-7 Ph Pipe Fittings
Mitchell Stainless, a trusted manufacturer and supplier in Hamilton, New Zealand, offers high-quality Stainless Steel 17-7 PH pipe fittings designed for high-strength and corrosion-resistant applications. 17-7 PH is a precipitation-hardening stainless steel that provides excellent tensile strength, hardness, and durability after heat treatment, making it ideal for aerospace, chemical, marine, and industrial piping systems. Mitchell Stainless ensures each pipe fitting meets strict quality standards, offering precise dimensions, smooth finishes, and consistent mechanical performance. These fittings are engineered for reliable, long-lasting connections in piping systems exposed to stress, corrosion, and challenging environmental conditions.
Stainless Steel 17-7 PH pipe fittings are composed primarily of iron, with 16–17% chromium, 6–7% nickel, and small amounts of copper, manganese, silicon, and carbon. This composition allows the alloy to achieve high tensile strength, hardness, and corrosion resistance after precipitation hardening. Chromium and nickel provide oxidation resistance and mechanical stability, while copper enhances hardness and performance. The alloy ensures durability and structural integrity, making 17-7 PH pipe fittings suitable for demanding environments where pressure, corrosion, and mechanical stresses are critical factors.
| Grade | Properties | Imperial |
|---|---|---|
| 17-7 PH | Density | 7.80 g/cm3 |
| Tensile strength | 170000 psi | |
| Yield strength | 140000 psi | |
| Modulus of elasticity | 29600 ksi |
| TYPE | Cr | Ni | Al | C | Mn | P | S | Si |
|---|---|---|---|---|---|---|---|---|
| 17-7 | min: 16.0 max: 18.0 | min: 6.75 max: 7.75 | min: 0.75 max: 1.50 | 0.09 max | 1.00 max | 0.05 max | 0.03 max | 1.00 max |
| Grade | Tensile Strength ksi (MPa) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Rockwell) MAX |
|---|---|---|---|---|
| 17-7 | 130 | 40 | 35 | B85 |
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We ensure the highest standards for our stainless steel 17-7 PH pipe fittings through rigorous testing and certification programs. Our products are comprehensive inspections including mechanical, chemical and theoretical testing to meet international specifications. All fittings are certified by industry-approved reports for reliability and efficiency.
Stainless Steel 17-7 PH pipe fittings are high-strength, corrosion-resistant components designed for high-stress and high-temperature applications. They offer durability and reliability in aerospace, automotive, and industrial environments.
SS 17-7 PH butt weld pipe fittings are high-strength, corrosion-resistant components used for seamless, strong pipe connections. They ensure durability and performance in high-stress and high-temperature applications.
SS 17-7 PH socket weld pipe fittings are high-strength, corrosion-resistant components providing secure, leak-proof connections. They are ideal for high-pressure and high-temperature applications, ensuring durability and reliability.
Stainless Steel 17-7 PH seamless fittings are high-strength, corrosion-resistant components crafted without joints. They provide robust, leak-proof connections, ideal for high-stress and high-temperature applications, ensuring long-term durability.
SS 17-7 PH cross pipe fittings are high-strength, corrosion-resistant components designed to connect four pipes at a central junction. They ensure strong, reliable connections in high-temperature and high-stress environments.
Stainless Steel 17-7 PH tee fittings connect three pipes at a right angle, offering high strength and corrosion resistance. They are ideal for high-stress, high-temperature applications, ensuring durability and reliability.
Stainless Steel 17-7 PH pipe fittings are widely used in chemical processing plants, aerospace and marine piping systems, industrial machinery, and high-pressure process lines where strength and corrosion resistance are essential. Typical applications include elbows, tees, reducers, flanges, and couplings in piping networks exposed to stress, wear, and corrosive conditions. They are also suitable for maintenance and repair projects requiring reliable, durable, and high-performance fittings. In New Zealand’s industrial and fabrication sectors, 17-7 PH pipe fittings are valued for producing secure, long-lasting, and corrosion-resistant connections capable of withstanding high-stress and aggressive environments.
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