ASTM A705 Gr 630 17-4pH Forgings Manufacturer
We are professional ASTM A705 Gr. 630 17-4ph Forged Forging Turbine Impeller stop rings.
We could make forged rings with diamter from 80MM to 6000MM, with weight from 10KGS to 15000KGS
- Standard: ASTM A705 – Specification for precipitation-hardening stainless steel forgings
- Grade: 630 (17-4PH) – Most commonly used PH stainless
- UNS: S17400
- Heat Treatment: Typically H900 to H1150 (H900 = high strength)
- Condition Supplied: Solution-treated and age-hardened
Composition of Grade 630 according ASTM A705
S17400 Mechanical Property of Solution Heat treatment
S17400 Mechanical Property after age hardening heat treatment
Key Properties of grade 630 forging
- ✔ High strength (even at elevated temperatures)
- ✔ Excellent corrosion resistance (better than 410 / 420 series)
- ✔ Good toughness
- ✔ Dimensional stability during heat treatment
- ✔ Machinable and weldable with some precautions
Typical Forged Products of S17400
- Flanges
- Valve bodies
- Pump shafts
- Turbine parts
- Aerospace structural components
Example Purchase Description
Material: ASTM A705 Grade 630 (17-4PH), Forged
Condition: H1025 (Aged)
Size: Ø120 mm x 800 mm shaft
Test: Ultrasonic + Hardness + Tensile + Chemical
Cert: EN 10204 3.1 or 3.2
