Nitralloy 135m® is an alloy steel specifically designed for the nitriding metal hardening process that demonstrates increased surface hardness and show good corrosion resistance. When fabricating parts from Nitralloy 135m®, the finished product often shows less distortion in heat treatment than parts fabricated from alloys requiring quenching and tempering to achieve similar surface hardness. Nitralloy 135m® may be heat treated in dissociated ammonia gas.
Alloy Steel Round Bar Offered at Titanium Industries can be found here.
Standard Nitralloy 135m® Specifications
- AMS 2301, AMS 6470, AMS 6472
- ASTM A 370, ASTM A 29, ASTM A 355
- EN 10204
Alloy Steel Nitralloy 135m® Applications:
- Crankshafts
- Bolts
- Aircraft gears
- Pinions
DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.
| Chemical Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| C 0.38 – 0.43% Max | Mo 0.30 – 0.40% | Mn 0.50 – 0.80% | Al 0.95 – 1.30% | Si 0.20 – 0.40% | |||||
| Ni 0.25% max | Cr 1.40 – 1.80% | Cu 0.35% Max | S 0.025% Max | P 0.025% Max | |||||
| PHYSICAL PROPERTIES | ||||||
|---|---|---|---|---|---|---|
| Density (lbs/cubic in) | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft²-°F) | Specific heat capacity | Thermal expansion (1/°F) | Melting Point (°F) | |
| 0.297 | – | – | – | – | – | |
| Mechanical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Property | Minimum | Maximum | |||||||
| Yield Strength Range (Rp0.2 Offset) (ksi) | – | – | |||||||
| Tensile Strength Range (Mpa) | 760 | 930 | |||||||
| Elongation | 50% | – | |||||||
| Hardness (HBW) | 280 | 340 | |||||||
| Modulus of Elasticity (ksi) (E): – | |||||||||
| Machineability General Index: – | |||||||||
T.I. Approvals:
Plus a wide range of approvals from most leading OEM’s across Aerospace, Medical, Industrial, and Oil and Gas markets.