Aditya Stainless stands out as a top manufacturer and supplier of Stainless Steel 17-7 PH Coils in Kolkata, India. We provide high-performance materials that are perfect for applications needing a blend of strength, hardness, and resistance to corrosion. Stainless Steel 17-7 PH (UNS S17700) is a semi-austenitic, precipitation-hardening stainless steel known for its impressive mechanical properties and stability, even at higher temperatures. These coils find their place in various industries, including aerospace, chemical processing, marine, automotive, and spring manufacturing. Our 17-7 PH coils come in different tempers and finishes, making them suitable for forming, welding, and heat treatment tailored to specific application needs.
Stainless Steel 17-7 PH Coils generally consist of 17% chromium, 7% nickel, and 1.1% aluminum, along with carefully controlled levels of carbon, manganese, silicon, and phosphorus. This alloy is engineered for precipitation hardening through heat treatment, achieving a tensile strength of at least 1240 MPa, yield strength of at least 1035 MPa, and an elongation of about 10% in the CH900 condition. It also boasts excellent fatigue strength, moderate corrosion resistance, and minimal distortion during heat treatment. These coils retain high strength across a broad temperature range and can be cold rolled or heat-treated to meet specific mechanical performance requirements.
| 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 |
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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 extensively utilized in aerospace components, high-performance springs, diaphragms, bellows, surgical instruments, and structural parts, thanks to their impressive strength, corrosion resistance, and thermal stability. They also play a crucial role in nuclear reactors, petrochemical plants, and marine equipment, where performance under stress and exposure to corrosive environments is vital. The alloy’s ability to maintain its form and strength after forming and heat treatment makes it perfect for precision-engineered parts. It’s a popular choice for flat springs, washers, and more.
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