JUDE STEEL MANUFACTURING CO., LTD
| Delivery Time | 8 ~ 14 days |
| Length | 1000–6000 mm or Customized |
| Grade | 17-7PH / AISI 631 / UNS S17700 / SUS631 |
| Standard | AMS 5644 / ASTM A564/A564M |
| Payment Terms | T/T |
| Color | Customer's Request |
| Type | Round |
| Supply Ability | Adequate production |
| Advantage | corrosion resistant |
| Product name | 17-7PH Stainless Steel Round Bar |
| Packaging Details | Standard Package |
| Diameter | 5 mm – 500 mm |
| Certification | ISO,SGS,CE,BIS |
| Model Number | 17-7PH / AISI 631 / UNS S17700 / SUS631 |
| Brand Name | JUDE STEEL |
| Place of Origin | China |
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Product Specification
| Delivery Time | 8 ~ 14 days | Length | 1000–6000 mm or Customized |
| Grade | 17-7PH / AISI 631 / UNS S17700 / SUS631 | Standard | AMS 5644 / ASTM A564/A564M |
| Payment Terms | T/T | Color | Customer's Request |
| Type | Round | Supply Ability | Adequate production |
| Advantage | corrosion resistant | Product name | 17-7PH Stainless Steel Round Bar |
| Packaging Details | Standard Package | Diameter | 5 mm – 500 mm |
| Certification | ISO,SGS,CE,BIS | Model Number | 17-7PH / AISI 631 / UNS S17700 / SUS631 |
| Brand Name | JUDE STEEL | Place of Origin | China |
| High Light | AMS 5644 stainless steel round bar ，17-7PH stainless steel rod ，AISI 631 stainless steel supplier | ||
| Item | Specification |
|---|---|
| Product | 17-7PH Stainless Steel Round Bar |
| Standard | AMS 5644 / ASTM A564/A564M |
| Material Grade | 17-7PH |
| UNS | UNS S17700 |
| AISI | AISI 631 |
| JIS Equivalent | SUS631 |
| EN Equivalent | 1.4568 |
| Shape | Round Bar |
| Diameter | 5 mm – 500 mm |
| Length | 1000–6000 mm or Customized |
| Surface | Black, Bright, Polished, Peeled, Ground |
| Production | Hot Rolled, Cold Drawn, Forged |
| Certificate | EN10204 3.1 / MTC |
17-7PH AMS 5644 is a semi-austenitic precipitation-hardening stainless steel that combines good corrosion resistance, good formability, and high strength. It is typically supplied in the annealed condition and can be heat treated to Condition RH 950 or Condition TH 1050 to achieve significantly higher strength levels. With excellent mechanical performance, 17-7PH AMS 5644 maintains outstanding strength and reliability at service temperatures of up to 900°F (482°C).
17-7PH Stainless Steel Round Bar Diameter & Weight Chart
| Diameter (mm) | Weight (kg/m) | Diameter (inch) | Weight (lb/ft) |
|---|---|---|---|
| 6 | 0.22 | 1/4" | 0.15 |
| 8 | 0.39 | 5/16" | 0.26 |
| 10 | 0.62 | 3/8" | 0.42 |
| 12 | 0.89 | 1/2" | 0.60 |
| 16 | 1.59 | 5/8" | 1.07 |
| 20 | 2.48 | 3/4" | 1.67 |
| 25 | 3.88 | 1" | 2.61 |
| 30 | 5.59 | 1-1/4" | 3.76 |
| 40 | 9.94 | 1-1/2" | 6.68 |
| 50 | 15.53 | 2" | 10.44 |
| 60 | 22.36 | 2-1/2" | 15.03 |
| 75 | 34.93 | 3" | 23.48 |
| 80 | 39.74 | 3-1/4" | 26.71 |
| 100 | 62.09 | 4" | 41.74 |
| 120 | 89.41 | 5" | 60.09 |
| 150 | 139.70 | 6" | 93.92 |
| 200 | 248.35 | 8" | 166.94 |
| Property | 17-7PH Stainless Steel Bar | 17-4PH Stainless Steel Bar |
|---|---|---|
| UNS Number | UNS S17700 | UNS S17400 |
| AISI Grade | AISI 631 | AISI 630 |
| Common Standard | AMS 5644 | ASTM A564/A564M |
| Microstructure | Semi-Austenitic PH Stainless Steel | Martensitic PH Stainless Steel |
| Heat Treatment | RH950, CH900, TH1050 | H900, H1025, H1075, H1150 |
| Tensile Strength | Up to 1700 MPa | Up to 1310–1450 MPa |
| Corrosion Resistance | Excellent | Excellent |
| Formability | Excellent before hardening | Good |
| Weldability | Good | Excellent |
| Spring Properties | Outstanding | Moderate |
| Machinability | Good | Excellent |
| Magnetic | Slightly magnetic after heat treatment | Magnetic |
| Maximum Service Temperature | Up to 900°F (482°C) | Up to 600°F (316°C) |
| Typical Applications | Springs, aerospace parts, diaphragms, bellows | Valve stems, pump shafts, fasteners, aerospace components |
Choose 17-7PH Stainless Steel Bar if your application requires:
Choose 17-4PH Stainless Steel Bar if your application requires:
AMS 5644 17-7PH UNS S17700 AISI 631 Stainless Steel Round Bar is widely used in industries requiring high strength, excellent fatigue resistance, and good corrosion resistance.
17-7PH is a semi-austenitic precipitation-hardening stainless steel offering high strength, excellent fatigue resistance, and good corrosion resistance.
Equivalent grades include UNS S17700, AISI 631, SUS631, and EN 1.4568.
Yes. It can be heat treated to conditions such as RH950, CH900, and TH1050 to achieve higher strength and hardness.
Yes. It provides good corrosion resistance in atmospheric, marine, and many industrial environments.
Available finishes include Hot Rolled, Cold Drawn, Bright, Polished, Peeled, and Centerless Ground.
Yes. We offer custom diameters, lengths, cutting, machining, and surface finishing services.
It is widely used in aerospace, medical, spring manufacturing, petrochemical, precision engineering, and industrial equipment.
Yes. We can provide EN 10204 3.1 MTC, PMI reports, and third-party inspection certificates upon request.
Company Details
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
40,000 tons-50,000 tons
Employee Number:
80~99
Ecer Certification：
Verified Supplier
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