PH 13-8 Mo Stainless Steel
1.4534 (PH 13-8 Mo)
- EN1.4534
- ENX3CrNiMoAl13-8-2
- UNSS13800
- TicariPH 13-8 Mo
Special precipitation-hardening stainless steel developed for aerospace. PH 13-8 Mo offers better corrosion resistance than 17-4 PH and 15-5 PH. Magnetic.

01Applications
- Defense industry
- Aerospace components
- Nuclear industry
- Petrochemical sector
02Delivery Condition
- Max. 43 HRC
03Heat Treatment
Typical values
- Solution treatment
- 925–940 °C, rapid cooling (air/oil)
- Hardness, solution treated (A)
- ≈ 30–35 HRC
- H900 / H950
- 482 / 510 °C, 1–4 h → maximum hardness
- H1025 / H1075
- 552 / 580 °C, 4 h → strength + toughness
- H1100 / H1150
- 593 / 621 °C, 4 h → maximum toughness and corrosion resistance
- Dimensional change
- ≈ −0.05…−0.1 % on ageing
Heat treatment cycle (schematic)
Ageing diagram (approximate)
Values are approximate and for information only; they vary with section size, heat and furnace conditions. Binding values are determined from the manufacturer’s data under laboratory conditions.
Have a material requirement?
Send us your specification, drawing or RFQ. Our team will review the requirement and identify a suitable supply option.
