Chuck Metals is a reliable manufacturer and supplier of Stainless Steel 17-7 PH Bars and Rods to clients in Singapore, Pulau Ujong with high–quality precision-engineered alloys. Renowned for ensuring excellence in metallurgical requirements, Chuck Metals excels in corrosion-resistant, high-strength stainless steel applications best suited for aerospace, marine, and industrial requirements. Committed to quality, consistency, and timely supply, we offer bars and rods that conform to international standards and excel under stress and fatigue. Our 17-7 PH products provide an excellent combination of high strength, good formability, and fine mechanical properties, and hence we are a supplier of choice.
Stainless Steel 17-7 PH Bars and Rods are precipitation-hardening alloys consisting mainly of Nickel (7%) and Chromium (17%), along with Aluminum additions. The steel is shown to have tensile strength up to 1250 MPa and yield strength of approximately 1035 MPa when hardened. It has superior mechanical properties up to 600°F (316°C), and good fatigue resistance as well as moderate corrosion resistance. It is usually supplied in Condition A, and may be heat treated to Conditions TH 1050, RH 950, or CH 900 to increase strength and performance in extreme environments.
Applications and Uses – Stainless Steel 17-7 PH Bars/Rods (100 Words):
Stainless Steel 17-7 PH Bars and Rods are utilized in most industries where high corrosion resistance and strength are required. Some examples of common applications are aerospace structural parts, pressure vessels, cryogenic equipment, and springs. The alloy‘s mechanical strength and formability render it suitable for bellows, diaphragms, and fasteners in industrial and marine applications. It is also heavily used in defense, automotive, and chemical processing industries because of its high performance in corrosive atmospheres and elevated temperature. With its versatility, 17-7 PH remains the preferred material for engineers requiring strength and durability in
Dimension : EN, DIN, JIS, ASTM, BS, ASME, AISI
Grade : 17-7 PH (UNS No. S17700) Round Bars
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
Our 17-7 PH Round Bars conforms to NACE MR0175/ISO 15156
| Grade | C | P | Si | Ni | Cu | Fe | Mn | S | Cr | AL |
| SS 17-7 PH | .09 | .04 | 1.0 max | 6.50 – 7.75 | – | Bal | 1.0 max | 0.04 | 16.0 – 18.0 | .75 – 1.50 |
|
Properties |
Metric |
Imperial |
|---|---|---|
|
Tensile strength |
1170 MPa |
170000 psi |
|
Yield strength |
965 MPa |
140000 psi |
|
Modulus of elasticity |
204 GPa |
29600 ksi |
|
Poisson’s ratio |
0.27-0.30 |
0.27-0.30 |
|
Elongation at break |
6% |
6% |
|
Hardness, Rockwell C |
38 |
38 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 17-7 PH | – | S17700 |
Stainless Steel 17-7 PH Bars and Rods offer exceptional strength, corrosion resistance, and fatigue resistance. These materials are specifically engineered for high-stress and high-performance applications. With superior mechanical properties and the ability to withstand harsh environments, they are ideal for industries like aerospace, automotive, and chemical processing, ensuring long-lasting performance and reliability.
Yes, Stainless Steel 17-7 PH Bars and Rods can be heat-treated to further enhance their mechanical properties. The material undergoes a precipitation hardening process that allows for precise control of strength and hardness, providing customized material characteristics for specific applications.
Stainless Steel 17-7 PH Bars and Rods are primarily used in industries such as aerospace, automotive, and chemical processing. They are highly sought after for applications requiring high strength, fatigue resistance, and the ability to perform in demanding environments, including structural components, springs, and gears.
Stainless Steel 17-7 PH Bars/Rods (100 Words):
Stainless Steel 17-7 PH Bars and Rods are utilized in most industries where high corrosion resistance and strength are required. Some examples of common applications are aerospace structural parts, pressure vessels, cryogenic equipment, and springs. The alloy‘s mechanical strength and formability render it suitable for bellows, diaphragms, and fasteners in industrial and marine applications. It is also heavily used in defense, automotive, and chemical processing industries because of its high performance in corrosive atmospheres and elevated temperature. With its versatility, 17-7 PH remains the preferred material for engineers requiring strength and durability in their products.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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