Tim Fittings stands out as a top-notch manufacturer and supplier of Stainless Steel 17-7 PH Pipe Fittings in Wellington, New Zealand. They’re well-regarded for providing high-strength, corrosion-resistant products that are specifically designed to meet the rigorous demands of various industries. With cutting-edge manufacturing processes and stringent quality controls in place, Tim Fittings guarantees that their 17-7 PH pipe fittings adhere to international standards, ensuring outstanding performance in critical applications. They cater to a range of sectors, including aerospace, chemical processing, and power generation, earning a reputation across New Zealand for their precision-engineered fittings that blend durability, reliability, and impressive mechanical properties.
| Grade | Properties | Imperial |
|---|---|---|
| 17-7 PH | Density | 7.80 g/cm3 |
| Tensile strength | 170000 psi | |
| Yield strength | 140000 psi | |
| Modulus of elasticity | 29600 ksi |
Stainless Steel 17-7 PH Pipe Fittings are composed of iron, 16-18% chromium, 6.5-7.75% nickel, and 0.75-1.5% aluminum, with minimal traces of manganese, silicon, and carbon. This alloy is designed for superior strength and corrosion resistance. It has a tensile strength of up to 1310 MPa and yield strength of 1170 MPa (TH1050 condition). The fittings exhibit excellent fatigue and stress corrosion resistance, making them ideal for demanding environments. Their precipitation-hardening capability enhances performance, and they maintain stability under high temperatures, ensuring reliability in critical industrial applications.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 16-18 |
| Nickel, Ni | 6.50 – 7.75 |
| Manganese, Mn | 1 max |
| Silicon, Si | 1 max |
| Aluminum, Al | 0.75 – 1.50 |
| Carbon, C | 0.09 max |
| Phosphorous, P | 0.040 max |
| Sulfur, S | 0.030 max |
| Iron, Fe | Balance |
| Property | 17-7 PH |
|---|---|
| Density, lb/in3 | 0.282 |
| Modulus of Elasticity, psi | 29 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 8.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.5 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 31.5 |
The Stainless Steel 17-7 PH pipe fittings are crafted from a precipitation-hardening stainless steel alloy, which consists of about 17% chromium and 7% nickel, along with trace amounts of aluminum and titanium. This unique alloy is engineered to deliver high tensile strength, hardness, and remarkable corrosion resistance, particularly in mildly corrosive settings. After heat treatment, these fittings typically exhibit tensile strengths between 1100 and 1400 MPa, with yield strengths reaching up to 1000 MPa, making 17-7 PH an excellent choice for applications that demand a robust yet lightweight solution. Additionally, the alloy’s outstanding fatigue resistance and good weldability make it even more suitable for pipe fittings.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 17-7 PH Pipe Fittings from Tim Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
Stainless Steel 17-7 PH Pipe Fittings offer excellent advantages, including high strength, superior corrosion resistance, and excellent fatigue properties, making them ideal for demanding applications. They maintain stability and mechanical integrity under high-pressure and high-temperature conditions. These fittings have outstanding stress corrosion cracking resistance and are highly durable, ensuring long service life. The alloy’s precipitation-hardening capability allows for customization of strength through heat treatment. Additionally, they are easy to fabricate and weld, providing versatility for aerospace, chemical processing, and marine industries. Their lightweight yet robust nature enhances operational efficiency.
Yes, custom sizes are available for Stainless Steel 17-7 PH Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@timfittings.co.nz.
| Property | 17-7PH ≤ 0.010 inch thick | 17-7PH > 0.010 inch thick |
|---|---|---|
| Yield Strength, min. (ksi) | 65 | 55 |
| Tensile Strength, min. (ksi) | 150 | 150 |
| Elongation, min. (%) | – | 20 |
| Hardness, max. (Rb) | – | 92 |
| Properties | Metric | Imperial |
|---|---|---|
| Thermal conductivity | 16.4 W/mK | 114 BTU in/hr.ft2.°F |
| Thermal expansion co-efficient (@0.000-100°C/32-212°F) | 11 µm/m°C | 6.11 µm/m°C |
You’ll find Stainless Steel 17-7 PH pipe fittings commonly used in scenarios that require both high strength and moderate corrosion resistance, such as aerospace hydraulic systems, chemical processing equipment, nuclear power components, and structural assemblies. Their ability to retain mechanical properties even at elevated temperatures makes them perfect for environments that experience cyclic stress or vibration. In Wellington and across New Zealand, Tim Fittings supplies these reliable fittings, ensuring that industries have access to the best materials for their needs.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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