Vishwa Stainless Pvt. Ltd. specializes in manufacturing 17-4 PH Round Bars in India.
We are a reliable manufacturer and exporter of an extensive range of 17-4 PH Stainless Steel Round Bar. In order to manufactur it, we use supreme quality stainless steel that delivers supreme quality and high durability. Grade 17-4 precipitation hardening also known as Type 630 which gets denoted for a chromium-copper precipitation hardening stainless steel used for applications requiring high strength and a good level of corrosion resistance.
17-4 PH Stainless Steel Round Bar Standard Technical Specifications:
| ASTM | A564, A705 TYPE 630 |
| ASME | SA564, SA705 TYPE 630 |
| UNS | S17400 |
| AMS | 5643 |
| DIN | EB 10088-3 W. Nr 1.4542 |
17-4 PH Stainless Steel Round Bar Chemical Analysis:
| Composition | (wt %) |
| Carbon (C) | 0.07 max. |
| Manganese (Mn) | 1.00 max. |
| Phosphorus (P) | 0.04 max. |
| Sulfur (S) | 0.03 max. |
| Silicon (Si) | 1.00 max. |
| Chromium (Cr) | 15.00 – 17.50 |
| Nickel (Ni) | 3.00 – 5.00 |
| Copper (Cu) | 3.00 – 5.00 |
| Niobium*plus | 0.03 max. |
| Tantalum (Nb) | - |
Heat Treatments For 17-4 PH Stainless Steel Round Bar
Condition A Solution Treated at 1038 ± 14 °C (1900 ± 25 °F) 0.5 hr Oil, Water+Polymer or Air Cool to below 32 °C (90 °F)
| Condition | Hardening Temp, ± 9 °C (± 15 °F) | Hardening Time (hours) | Type of Cooling |
| H 900 | 482 °C (900 °F) | 1 | Air |
| H 925 | 496 °C (925 °F) | 4 | Air |
| H 1025 | 552 °C (1025 °F) | 4 | Air |
| H 1075 | 579 °C (1075 °F) | 4 | Air |
| H 1100 | 593 °C (1100 °F) | 4 | Air |
| H 1150 | 621 °C (1150 °F) | 4 | Air |
| H 1150-D | 621 °C (1150 °F) 621 °C (1150 °F) |
4 Followed by 4 | Air Air |
| H 1150-M | 760 °C (1400 °F) 621 °C (1150 °F) |
2 Followed by 4 | Air Air |
17-4 PH Stainless Steel Round Bar Mechanical Properties:
| Condition | Condition | Condition | Condition | Condition | Condition | Condition | Condition | Condition | Condition | |
| Property | H 900 | H 900 | H 925 | H 925 | H 1025 | H 1075 | H 1100 | H 1150 | H1150-D | H 1150M |
| Up to75 m (3 in.) Incl |
Over 75 mm (3 in.) to 200 mm (8 in. |
Up to 75 mm (3 in.) Incl |
Over 75 mm (3 in.) to 200 mm (8 in. |
Up to 200 mm (8 in.) | Up to 200 mm (8 in.) | Up to 200 mm (8 in.) | Up to 200 mm (8 in.) | Up to 200 mm (8 in.) | Up to 200 mm (8 in.) | |
| UTS, MPa (ksi) | 1310 (190) |
1310 (190) | 1170 (170) |
1170 (170) |
1070 (155) |
1000 (145) |
965 (140) |
930 (135) |
860 (125) |
795 (115) |
| 0.2% YS, MPa (ksi) | 1170 (170) |
1170 (170) |
1070 (155) |
1070 (155) |
1000 (145) |
860 (125) |
795 (115) |
725 (105) |
725 (105) |
520 (75) |
| Elongation % in 4D | 10 | 10 | 10 | 10 | 12 | 13 | 14 | 16 | 16 | 18 |
| Reduction of Area % | 40 | 35 | 44 | 38 | 45 | 45 | 45 | 50 | 50 | 55 |
| Brinell Hardness | 388 | 388 | 375 | 375 | 331 | 311 | 302 | 277 | 255 | 255 |
| Rockwell Hardness | C40 | C40 | C38 | C38 | C35 | C32 | C31 | C28 | C24 | C24 |
| Impact, Charpy V•Notch, J (ft•lbs) |
NA | NA | 7 (5) | 7 (5) | 20 (15) | 27 (20) | 34 (25) | 41 (30) | 41 (30) | 75 (55) |
17-4 PH Stainless Steel Round Bar Features:
17-4 PH Stainless Steel Round Bar Applications:
For any special range requirement of grades and sizes or Stainless Steel 17- 4 PH round bars. price list, call us today! +91-72111 24478
We manufacture export quality stainless steel 17- 4 PH round bars and supply our stainless steel 17- 4 PH round bars in Australia, Germany, Italy, Poland, Spain, Netherlands, UAE (United Arab Emirates), Turkey, UK, USA, Canada, Lebanon, Iran, Saudi Arabia, Denmark, Mexico, Bangladesh etc.