17-7PH SUS631 S17700 DIN1.4568 Stainless Steel Seamless Tube Stainless Steel Hollow Pipe
Brand Name:MITTEL
Certification:SGS ISO MTC
Model Number:17-7PH
Minimum Order Quantity:50KGS
Delivery Time:14 DAYS
Payment Terms:L/C, T/T
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17-7PH SUS631 S17700 DIN1.4568 Stainless Steel Seamless Tube Stainless Steel Hollow Pipe
17-7 PH is a precipitation-hardened stainless steel that is well suited for aerospace and other applications requiring high strength and good corrosion resistance and formability. Type 17-7PH is a Chromium-Nickel-Aluminum, austenitic stainless steel. It is the most formable of all PH grades and has the highest strength and hardness. It is less magnetic than other PH grades and offers minimal distortion upon heat treatment. This material maintains its valuable properties at temperatures up to 800° F (427° C).
- 17-7 ph
- UNS S17700
- AMS 5528
- ASTM A 693
- ASME SA 693
- W.NR 1.4541
- PWA-LCS
- GE-S400/1000
- RR SABRe Edition 2
- DFARS Compliant
- SAE AMS 5528
Common Trade Names
- 17-7
- ATI 17-7 (™ Allegheny Technologies)
- T-17-7 Stainless Steel (ThyssenKrupp VDM)
Inventory Size Range
- Sheet : 0.018" - 0.187"
- Plate : 0.018" - 0.187"
Please contact us for more details.
The technical data provided is for information only and not for
design purposes. It is not warranted or guaranteed.
For a deeper understanding of the difference between 17-4 PH and 17-7 PH precipitation hardening alloys, request our white paper on the topic.
| Element | Percent By Weight Type 17-7ph | |
|---|---|---|
| C | Carbon | 0.09 maximum |
| Mn | Manganese | 1.00 maximum |
| P | Phosphorus | 0.05 maximum |
| S | Sulfur | 0.03 maximum |
| Si | Silicon | 1.00 maximum |
| Cr | Chromium | 16.00 - 18.00 |
| Ni | Nickel | 6.75 - 7.75 |
| Al | Aluminum | 0.75 - 1.50 |
Common Applications of 17-7 PH Stainless Steel
- Aerospace applications
- Chemical processing equipment
- Oil and petroleum refining equipment
- Food grade stainless steel for processing equipment
- General metalworking
17-7PH Physical Properties
- Melting Range: 2560-2625°F (1404-1440°C)
- Density: 0.2820 lb/in³
| Temperature Range | Mean Coefficient of Thermal Expansion | ||
|---|---|---|---|
| °C | °F | μm/m°C | in/in/°F·10⁶ |
| 21-93 | 70-200 | 15.3 | 8.5 |
| 21-204 | 70-400 | 16.2 | 9.0 |
| 21-316 | 70-600 | 17.1 | 9.5 |
| 21-427 | 70-800 | 17.3 | 9.6 |
| Temperature Range | Coefficients | ||
|---|---|---|---|
| °C | °F | W/m·K | Btu/(hr/ft²/in/°F) |
| 149 | 300 | 16.87 | 117 |
| 260 | 500 | 18.46 | 128 |
| 449 | 840 | 21.05 | 146 |
| 482 | 900 | 21.05 | 146 |
| Oersteds | AT/m | μ |
|---|---|---|
| 25 | 1989 | 1.4 - 3.4 |
| 50 | 3878 | 1.4 - 3.6 |
| 100 | 7956 | 1.4 - 3.5 |
| 200 | 15.912 | 1.4 - 3.2 |
| max | max | 1.4 - 3.6 |
Electrical Resistivity (Annealed Condition)
- Microhm-cm: 80
Mechanical Properties and Yield Strength of 17-7PH
Room Temperatures (Annealed)
- Ultimate Tensile Strength psi (MPa): 130,000 (896)
- 0.2% Tensile Yield Strength psi (MPa): 40,000 (276)
- Elongation % in 2" (50mm): 35
- Hardness Rockwell: B85
17-7PH SUS631 S17700 DIN1.4568 Stainless Steel Seamless Tube Stainless Steel Hollow Pipe
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