Njabulo Stainless is a well-respected manufacturer and supplier of top-notch Stainless Steel 17-7 PH Coils based in Cape Town, South Africa. Known for their precision engineering and outstanding quality, Njabulo Stainless provides high-performance solutions that cater to the specific needs of various industries. With a strong focus on excellence, innovation, and customer satisfaction, the company has built a reputation as a dependable source for corrosion-resistant and heat-treatable stainless steel products. Whether it’s for aerospace, petrochemical, or general industrial applications, Njabulo Stainless guarantees that every coil meets international standards, delivering exceptional strength, formability, and long-lasting performance even in tough environments.
Stainless Steel 17-7 PH is a precipitation-hardened stainless steel alloy primarily made of iron, featuring around 17% chromium and 7% nickel, along with trace amounts of aluminum and manganese. It boasts impressive mechanical properties, including high tensile strength (up to 1400 MPa), yield strength, and hardness. The aging treatment it undergoes boosts strength without compromising formability or corrosion resistance. This alloy also offers good fatigue and stress corrosion resistance, making it perfect for demanding structural applications. Njabulo Stainless ensures that all coils are meticulously processed to meet strict mechanical property specifications for critical uses.
| 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 from Njabulo Stainless are a go-to choice for a variety of high-performance applications, not just in Cape Town but far beyond. You’ll find them in aerospace components, springs, washers, and diaphragms, where durability and resistance to corrosion are key. Thanks to its impressive mechanical properties, this material is also perfect for chemical processing equipment, parts for nuclear reactors, and automotive components. Its ability to hold up under high temperatures and cyclic loading makes it a top pick for critical engineering tasks. Njabulo Stainless takes pride in ensuring that every product is crafted for long-lasting performance, even in the toughest environments.
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