Stainless steel 17-4 ph Round Bar Stockist
Shree Sambhav Alloys is one of the leading Stainless steel 17-4 ph Rod Stockist. 17-4 PH is a martensitic precipation hardening stainless steel with high strength, high resistance to corrosion, and strong mechanical properties. 17-4 PH Stainless Steel is an economical alternative to other stainless and strong carbon steels. Alloy 17-4 PH withstands corrosive attacks better than any of the standard hardenable stainless steels . 17 – 4 PH grade is readily machinable in both the solution-treated and various age-hardened conditions. It machines similar to stainless 304 in the solution-treated condition. The machinability improves as the hardening temperature increases.
Specification of Stainless steel 17-4 ph Round Bar:
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Chemical Properties of Stainless steel 17-4 ph Round Bar:
| Element | Percent by Weight Type 17-4PH |
| Carbon | 0.07 maximum |
| Manganese | 1.00 maximum |
| Phosphorus | 0.04 maximum |
| Sulphur | 0.03 maximum |
| Silicon | 1.00 maximum |
| Chromium | 15.00 - 17.50 |
| Nickel | 3.00 - 5.00 |
| Copper | 3.00 - 5.00 |
| Columbium plus Tantalum | 0.15 - 0.45 |
Typical Mechanical Properties of Stainless steel 17-4 ph Round Bar:
| Material | Condition |
Ultimate Tensile Strength (ksi) | 0.2 % Yield Strength (ksi) | Elongation % in 2D | % Reduction of Area | Rockwell C Hardness |
| Alloy 17-4 PH Bar AMS 5643 |
Cond A | - | - | - | - | 363 HB max |
| Alloy 17-4 PH Bar AMS 5643 |
H900 | 190 | 170 | 10 | 40 | 388-444 |
| Alloy 17-4 PH Bar AMS 5643 |
H925 | 170 | 155 | 10 | 44 | 375-429 |
| Alloy 17-4 PH Bar AMS 5643 |
H1025 | 155 | 145 | 12 | 45 | 331-401 |
| Alloy 17-4 PH Bar AMS 5643 |
H1075 | 145 | 125 | 13 | 44 | 311-375 |
| Alloy 17-4 PH Bar AMS 5643 |
H1100 | 140 | 115 | 14 | 45 | 302-363 |
| Alloy 17-4 PH Bar AMS 5643 |
H1150 | 135 | 105 | 16 | 50 | 277-352 |
Physical Properties of Stainless steel 17-4 ph Round Bar :
Mean Coefficient of Thermal Expansion (Annealed Condition)
| Temperature Range | Coefficients | ||
| °C | °F | μm/m·°C | in/in/°F·106 |
| 21-93 | 70-200 | 10.8 | 6.0 |
| 21-204 | 70-400 | 10.8 | 6.0 |
| 21-316 | 70-600 | 11.2 | 6.2 |
| 21-427 | 70-800 | 11.2 | 6.3 |
Thermal Conductivity (H 900 Condition)
| Temperature Range | W/m·K | Btu/(hr/ft²/in/°F) | |
| °C | °F | ||
| 149 | 300 | 17.90 | 124 |
| 260 | 500 | 19.50 | 135 |
| 460 | 860 | 22.50 | 156 |
| 482 | 900 | 22.60 | 157 |
Specific Heat (Annealed Condition)
| Temperature Range | J/gg·K | Btu/lb/°F | |
| °C | °F | ||
| 0-100 | 32-212 | 460 | 0.11 |