18 Years Factory Seamless Tube Steel - 17-4PH 630 1.4542 H900 forging ring according to drawings – Huaxin
18 Years Factory Seamless Tube Steel - 17-4PH 630 1.4542 H900 forging ring according to drawings – Huaxin Detail:
1) AMS 5643 (17/4 PH) is an American aerospace grade stainless steel with 4% copper that can be hardened
by a low temperature precipitation hardening heat treatment to produce excellent mechanical properties at high
strength levels.
2) condition:
Can be supplied in annealed condition (Condition A), or heat treated as follows:-
Condition H900 (900°F) Condition H925 (925°F) Condition H1025 (1025°F) Condition H1075 (1075°F) Condition
H1100 (1100°F) Condition H1150 (1150°F)
AMS 5643 (17/4 PH) material should not be used in the annealed condition. This grade of stainless steel has a typical
density of 7.75kg/dm3 and is magnetizable.
| Grade | Chemical Compsition (Max %) | |||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | Nb | |
| 17-4PH AISI 630 | ≤0.07 | ≤1 | ≤1.0 | ≤0.04 | ≤0.03 | 15-17.5 | 3.0-5.0 | 3.0-5.0 | ≤0.5 | ≤0.45 |
| Condition | Yeild Strength min Mpa | Tensile Strength min Mpa | Elongation(%) | Hardness (HB) |
| H900 | 1,310 | 1,172 | 10 | 388/444 |
| H925 | 1,172 | 1,069 | 10 | 375/429 |
| H1025 | 1,069 | 1,000 | 12 | 331/401 |
| H1075 | 1,000 | 862 | 13 | 311/363 |
| H1100 | 965 | 793 | 14 | 302/352 |
4. Production pictures:
5. AMS 5643 Corrosion Resistance:
AMS 5643 (17/4 PH) is superior to straight chrome grades such as 410 and approaches the corrosion resistance of nickel
chrome grades. In many corrosive media, it is equal to class 302. Corrosion resistance will be affected by surface finish and
aging heat treatment. AMS 5643 (17/4 PH) welds very well and can be welded by all commercial processes. Preheating and
postheating practices of standard hardenable stainless steel grades are not required.
6. AMS 5643 Application :
For applications requiring high strength and good corrosion resistance, as well as high fatigue strength, good wear resistance
and stress corrosion resistance. It is suitable for complex parts that require machining and welding, and require freedom of deformation.
Used in the aerospace, defense offshore oil and gas industries. It is used for mechanical parts such as guide parts, motor shafts, valve stems,
gears, etc.
Product detail pictures:
Related Product Guide:
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