Contents
- 1 What is 17-4 PH heat treated?
- 2 What type of material is 17 4PH?
- 3 What is 17-4 PH condition A?
- 4 What does the PH stand for in 17-4 PH?
- 5 How hard is 17-4 PH stainless steel?
- 6 What type of stainless steel is 17-4 PH?
- 7 What are the tensile properties of AM 17-4 PH stainless steel?
- 8 What are the uses of 17-4PH stainless steel?
What is 17-4 PH heat treated?
Heat Treatments for 17-4 Stainless Steel 17-4 stainless steel is a martensitic, precipitation-hardening stainless steel. At the solution treating temperature, 1900°F (1040°C), the metal is austenitic but undergoes transformation to a low-carbon martensitic structure on cooling to room temperature.
What type of material is 17 4PH?
Alloy 17-4PH (UNS S17400), Type 630, is a chromium-nickel-copper precipitation-hardening martensitic stainless steel with an addition of niobium. 17-4PH combines high strength and hardness with good corrosion resistance.
What is the difference between 17-4 and 17 4PH?
17-4 PH provides toughness in both base metals and welds. It is well suited to applications that require ease of fabrication and the addition of strength/hardness for improved reliability. Type 17-7 PH stainless steel is a Chromium-Nickel-Aluminum, semi-austenitic stainless steel.
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 17-4 PH condition A?
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| 17-4 PH Stainless Steel Condition A (annealed) | |
|---|---|
| Minimum Properties | |
| Yield Strength, psi | 145,000 |
| Elongation | 5% |
| Rockwell Hardness | C35 |
What does the PH stand for in 17-4 PH?
precipitation hardening
To increase their yield strength, these alloys are subjected to heat treatment during precipitation hardening (PH) or age hardening. You must be wondering what all these terminologies mean. This aging or time-delayed technique tends to significantly increase the alloys yield strength.
Does 17-4PH work harden?
Alloy 17-4PH (UNS S17400), Type 630, is a chromium-nickel-copper precipitation-hardening martensitic stainless steel with an addition of niobium. 17-4PH combines high strength and hardness with good corrosion resistance. Heat treatment in the 900°F (482°C) range produces the highest strength.
What does the PH stand for in 17-4PH?
How hard is 17-4 PH stainless steel?
17-4PH Stainless Steel High strength is maintained to approximately 600 degrees Fahrenheit (316 degrees Celsius). Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with Cu and Nb/Cb additions. The grade combines high strength, hardness (up to 572°F / 300°C), and corrosion resistance.
What type of stainless steel is 17-4 PH?
SAE Type 630 stainless steel
SAE Type 630 stainless steel (more commonly known as 17-4 PH, or simply 17-4; also known as UNS 17400) 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 is H900?
It is one of the most widely used precipitation hardening grades, as it has high strength hardness up to about 572°F while demonstrating good corrosion resistance in all heat treated conditions. Its mechanical properties can be optimized with heat treatment where very high yield strength up to 180 ksi can be achieved.
What does condition a mean for 17-4 stainless steel?
17-4 PH is a chromium-nickel grade of stainless that may be hardened by a single low temperature precipitation-hardening heat treatment. Excellent mechanical properties at a high strength level may be obtained by such treatment. Scaling and distortion is minimized.
What are the tensile properties of AM 17-4 PH stainless steel?
The fatigue experiments were tested under the fully reversed strain-controlled condition with the strain amplitudes ranging from 0.15% to 1.0 %. The two manufacturing conditions result in similar tensile strengths but the AM 17-4 PH stainless steel has a significantly lower ductility than that of the CM steel.
What are the uses of 17-4PH stainless steel?
Flat Diameter. Applications. Commonly used in industries such as offshore, marine, food, paper mills, oil field and aerospace. 17-4PH is used for components such as fasteners, couplings, screws, bushings, studs, fittings, valve stems, roller, wear rings.
What are the fatigue and tensile properties of stainless steel?
At the same peak hardening, the minimum fracture toughness [6] and fatigue strength [8] are found. If a higher aging temperature than 580°C (1076°F) is used, reversion to austenite phase can occur [4,7], which softens the material, improving mechanical properties as ductility [10] and fracture toughness [6].