JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Jiangsu Mittel Steel Industrial Limited Supply all kinds of Stainless Steel Sheet/Plate/Coil/Round ,Flat ,Angle Bar/Stainless steel Seamless pipe /welded pipe /Elbow/Flange /Galvanized Steel sheet
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Grade 630 Stainless Steel Seamless Pipe 17-4PH Stainless Steel pipe ASTM DIN EN SS Pipe
Detail informations of our 630 stainless steel pipe
| Name | Stainless Steel Pipe | Grade | 17-4PH / 630 |
| Type | Seamless Pipe | Diameter | DN 10 - DN300 |
| Thickness | SCH10 - XXS | Standard | ASTM GB JIS EN DIN |
| Length | 6m random length | Service | Cutting |
Grade Informations
17-4PH is a widely-used martensitic precipitation-hardening stainless steel with a high concentration of chromium and nickel. It has many favorable properties, including excellent strength, good corrosion resistance, and excellent mechanical properties up to 600 °F (316 °C).
The alloy also possesses good toughness when welded, while short low-temperature heat treatments reduce warping and scaling. Additionally, 17-4PH is easy to machine and fabricate.
Thanks to the beneficial properties, 17-4PH finds use in various industries. Typical parts include mechanical seals, oil patch, and pump shafts.
Furthermore, the alloy also finds use in the aerospace industry, petroleum industry, and chemical industry, food processing equipment, paper and pulp industry, nuclear waste processing and storage, and general metalworking.
Stainless Steel 17-4PH Chemical Composition
| Element | Min (%) | Max (%) |
| Carbon, C | – | 0.07 |
| Manganese, Mn | – | 1 |
| Silicon, Si | – | 1 |
| Sulfur, S | – | 0.03 |
| Phosphorus, P | – | 0.04 |
| Chromium, Cr | 15 | 17.5 |
| Niobium + Tantalum, Nb + Ta | 0.15 | 0.45 |
| Nickel, Ni | 3.0 | 5.0 |
| Copper, Cu | 3.0 | 5.0 |
| Iron, Fe | – | *Balance |
Stainless Steel 17-4PH Mechanical Properties
| Property | Imperial | Metric |
| Ultimate Tensile Strength | 23,300 psi | 160 MPa |
| Yield Strength (0.02%) | 16,680 psi | 115 MPa |
| Elongation (% in 2’’) | 5% | 5% |
| Rockwell Hardness C | 35 | 35 |
Application of 17-4PH stainless steel
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