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631 stainless steel strip
strip
631 Stainless Steel, also widely known by its specification ASTM A693 and its trade name 17-7PH®, is a precipitation-hardening stainless steel that offers a remarkable combination of high strength, hardness, and good corrosion resistance. Its properties are comparable to grade 304 in the annealed condition, but it can be hardened to exceptionally high levels through heat treatment. This versatility makes it an ideal choice for complex parts requiring good formability and high strength.
We specialize in providing high-quality 631 stainless steel strips tailored to your specific requirements. We support full customization of dimensions, thickness, width, surface finish, and temper to ensure our products perfectly match your manufacturing and application needs.
| Parameter | Details | ||||||||||
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| Grade | 631 (UNS S17700), 17-7PH | ||||||||||
| Delivery Time | Standard lead time is 7-14 working days, subject to order quantity and specifications. | ||||||||||
| Customizable Dimensions |
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| Chemical Composition (%) |
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| Typical Mechanical Properties (Condition TH1050) |
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| Available Certifications | We provide ISO 9001, ROHS, and Mill Test Certificates (MTC) with every shipment to guarantee quality and compliance. |
What is the main advantage of 631 (17-7PH) stainless steel over 304 stainless steel?
The primary advantage is its superior strength. While 631 stainless steel has similar corrosion resistance and formability to 304 in its annealed state (Condition A), it can be heat-treated to achieve significantly higher tensile strength and hardness, making it suitable for high-stress applications like springs, washers, and aerospace components where 304 would be inadequate.
What heat treatment conditions are available for 631 stainless steel strip?
We can supply 631 stainless steel strip in various conditions. The most common are:
Can I receive a material test certificate (MTC) with my order?
Absolutely. Every order is accompanied by a Mill Test Certificate (MTC) or Certificate of Conformance (COC). This document details the material's chemical composition, mechanical properties, heat treatment, and other relevant data, ensuring full traceability and quality assurance.
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