Mitchell Stainless, a trusted manufacturer and supplier in Hamilton, New Zealand, provides high-quality Stainless Steel 17-7 PH coils designed for high-strength and corrosion-resistant applications. This precipitation-hardening stainless steel offers excellent tensile strength, hardness, and toughness after heat treatment, making it ideal for aerospace, chemical, and industrial applications. Mitchell Stainless ensures each coil meets strict quality standards, providing uniform thickness, smooth surface finishes, and consistent mechanical performance. 17-7 PH coils are engineered for precision forming, fabrication, and manufacturing processes, delivering reliable and durable components that perform under demanding mechanical and environmental conditions.
Stainless Steel 17-7 PH coils are composed primarily of iron, with 16–18% chromium, 6–7% nickel, 0.5–0.7% copper, and small amounts of manganese, silicon, and carbon. This composition provides excellent strength, hardness, and corrosion resistance after precipitation hardening. Chromium and nickel ensure oxidation resistance and mechanical stability, while copper enhances hardness and tensile strength. These coils maintain superior toughness and durability, making them suitable for critical structural and mechanical applications where high performance, corrosion resistance, and dimensional accuracy are required.
| Product Name | 17-7 ph stainless steel coil |
| Grades | 301/EN 1.4310/SUS301 |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard as customer’s requirements |
| Thickness | 0.02mm-6.0mm |
| Width | 1.0mm-1500mm |
| Edge | Slit/Mill |
| Quantity Tolerance | ±10% |
| Paper Core Internal Diameter | Ø500mm paper core, special internal diameter core and without paper core on customer request |
| Surface Finish | NO.1/2B/2D/BA/HL/Brushed/6K/8K Mirror,etc |
| Packaging | Wooden Pallet/Wooden Case |
| Payment Terms | 30% TT deposit and 70% balance before shipment, 100% LC at sight |
| Delivery Time | 5-7 working days |
| MOQ | 200Kgs |
| Sample | The sample of 301 stainless steel coil is available |
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| 17-7 ph Coils | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.00-18.00 | 6.00-8.00 | – |
| Grade | EN Grade | Yield Strength Rp0.2(N/mm²) | Tensile Strength Rm(N/mm²) | Hardness | Vickers Hardness(HV) | Elongation A50% |
| 17-7 ph Coils | 1.4310 | ≥205 | ≥520 | Annealed | ≥160 | ≥40 |
Contact us to get a quick quote for your requirement.
For enhanced corrosion resistance, these Stainless Steel 17-7 PH Plated Coils are coated. They posses high strength and have excellent mechanical properties, which enable their application for demanding aerospace, automotive, and industrial purposes.
Stainless Steel 17-7 PH Hot Rolled Coils are rolled hot. They are highly strong and have a lot of durability. These are very useful for applications that require toughness, resistance to stress, and corrosion.
S 17-7 PH Cold Rolled Coils are cold rolled for a smooth, precise finish and enhanced mechanical properties. They provide high strength, excellent dimensional accuracy, and corrosion resistance.
We ensure quality products like Stainless Steel 17-7 PH Coils that consistently perform. We test these through various procedures such as hardness testing, spectro analysis, PMI, and flaring tests. In addition, we conduct micro and macro tests, pitting resistance, and IGC tests to ensure superior quality in every material delivered. We have full documentation along with our rigid testing procedures, including commercial invoices, packing lists indicating net and gross weights, box numbers, and labels. We also provide a legalized or attested Certificate of Origin, Third-Party Inspection Certificates, for total assurance that we will be committed to providing the best products and unmatched customer satisfaction.
Stainless Steel 17-7 PH coils are widely used in aerospace components, springs, valves, fasteners, chemical processing equipment, and precision mechanical systems where high strength and corrosion resistance are critical. They are also employed in marine, petrochemical, and industrial applications requiring durable and high-performance components. Typical applications include fabricating high-strength strips, structural parts, and mechanical assemblies exposed to stress and corrosive environments. In New Zealand’s fabrication and industrial sectors, 17-7 PH coils are valued for producing reliable, long-lasting, and high-performance components capable of withstanding mechanical stress, wear, and environmental exposure.
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