Niazi Stainless, based in the commercial heart of Manama, Bahrain, has built its reputation on providing reliable, high-performance materials to a diverse clientele. We take pride in our expertise with specialty alloys, particularly our supply of Stainless Steel 17-7 PH Coils. This unique precipitation-hardening grade is a cornerstone for industries that demand a perfect balance of strength and corrosion resistance, offering a versatile solution that stands up to challenging environments where standard stainless steels might fall short.
The exceptional nature of 17-7 PH lies in its specific composition and the resulting mechanical properties. It is a chromium-nickel-aluminum stainless steel engineered to be strengthened through a carefully controlled heat treatment process. This allows it to achieve remarkably high strength and hardness, comparable to many steel types, while maintaining the excellent corrosion resistance inherent to its stainless base. This combination of durability and resilience makes it a uniquely capable material.
| 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.
Stainless Steel 17-7 PH Coil is an austenitic precipitation-hardening steel. It has excellent mechanical properties and corrosion resistance. It is also widely used in aerospace, automotive, and industrial applications.
Stainless Steel 17-7 PH Welding Coils have excellent strength properties and high corrosion resistance. Generally, they could be recommended to all users looking for stability of mechanical properties and could be used in aerospace, automotive, or industrially.
Stainless Steel 17-7 PH Bright Annealed Coils have a bright annealed surface finish that’s polished and mirror-like. This is a high-strength alloy with excellent resistance to corrosion that is best applied in precision uses and components.
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.
This versatile performance profile makes 17-7 PH coils indispensable across many demanding sectors. You will find it shaped into critical components for aircraft and aerospace applications, including structural parts and fasteners. It is equally vital in the chemical and petroleum industries for parts requiring strength at moderate temperatures, and it’s widely used for precision springs, turbine blades, and nuclear reactor components. Its reliability ensures the integrity of products and systems where failure is not an option.







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