What is the hardness of 17-4 H900?
17-4 PH Stainless Steel Properties
| Condition | Ultimate Tensile Strength (PSI) | Hardness Rockwell |
|---|---|---|
| H900 | 190,000 | C40 |
| H1025 | 155,000 | C35 |
| H1075 | 145,000 | C32 |
| H1150 | 135,000 | C28 |
What is the hardness of 17-4 H1150?
28
On the Rockwell C scale, 17-4 H1150 Stainless Steel has a hardness of 28.
What is H900 steel?
MIM 17-4 H900 is a precipitation hardening stainless steel. It offers a good balance between corrosion resistance and strength. It is magnetic and also hardens to various strength levels by varying the aging heat treat temperature.
How hard can you heat treat 17-4?
Alloy 17-4 can be heat treated to a variety of temperatures to develop a wide range of properties. Its mechanical properties can be optimized with heat treatment where very high yield strength up to 180 ksi can be achieved. Alloy 17-4 should not be used at temperatures above 572°F or at very low temperatures.
Is 17-4 PH annealed?
The ATI 17-4™ precipitation hardening stainless steel is furnished in the annealed condition. This is also called the solution heat treated condition, or Condition A. Annealing is conducted by heat treating at approximately 1900°F (1040°C) to 1950°F (1065°C) and cooling to room temperature.
What type of material is 17-4?
17-4 PH Stainless Steel is a precipitation hardening martensitic stainless steel. Typical usage is seen in applications requiring high strength and a modest level of corrosion resistance. Strength and toughness desired can be manipulated by temperate range in the heat treatment process.
Will 17 4ph rust?
It is quite evident that type 17-4 PH stainless steel is the most used type of PH stainless steel. It has an ideal combination of corrosion resistance, good mechanical properties at high temperatures and high yield strength.
What type of steel is 17-4 PH?
precipitation hardening martensitic stainless steel
17-4 PH Stainless Steel is a precipitation hardening martensitic stainless steel. Typical usage is seen in applications requiring high strength and a modest level of corrosion resistance. Strength and toughness desired can be manipulated by temperate range in the heat treatment process.
How do you heat treat 17-4 steel?
Age hardening of 17–4 PH usually consists of two steps: solution treatment followed by quenching and subsequent aging for precipitation hardening. For 17–4 PH, the solution treatment is done at 1050 °C for 30 min while the aging temperatures range from 480 °C to 760 °C with a duration of two to four hours.
What does the PH mean in 17-4 PH?
martensitic precipitation hardened
SAE Type 630 stainless steel (more commonly known as 17-4 PH, or simply 17-4; also known as UNS S17400) is a grade of martensitic precipitation hardened stainless steel. It contains approximately 15–17.5% chromium and 3–5% nickel, as well as 3–5% copper.
How hard can you heat treat 17 4?
ATI 17-4™ precipitation hardening stainless steel (S17400), Type 630, is a chromium-nickel-copper precipitation hardening stainless steel used for applications requiring high strength and a moderate level of corrosion resistance. High strength is maintained to approximately 600°F (316°C).
What is H900 heat treatment process?
Typical heat treat designations are H900 or H1075; where H900 indicates aging at 900°F for one hour and H1075 indicates ageing at 1075°F for 4 hours. In all cases, it is important to start with material that is in the solution treated condition or more commonly called Condition A.