R.L. Hill Engineering is the only supplier in Australia holding ON-SITE stocks of the following heat and creep resistant materials used for turbine bolts, valve components and other high temperature applications.


Although we are not a steel merchant, we have over 200 tonnes of material in stock ranging from 20mm diameter through to 300mm diameter. Stocks are continually being upgraded and are held specifically to supplement our in house machining facilities.


Turbine bolting materials
Durehete 950 Din 2.4631 Nimonic 80A ASTM A182 F12
Durehete 1055 Din 2.4662 Nimonic 901 ASTM A182 F22
Din 1.7709 21CrMoV5.7 Din 1.7380 10CrMo9-10 ASTM A106
Din 1.8070 21CrMoV5.11 Din 1.3563 42CrMo4 ASTM A437-76 Grade B4B
Din 1.4935 X20CrMoWV12.1 Din 1.7711 40CrMoV4.6 Chrome Moly steels

Valve spindle and seating materials
Din 1.4935 X20CrMoWV12.1
Din 2.4662 Nimonic 901
ASTM A182 F22
Din 1.4923 X22CrMoV12.1 FV448 ASTM A437-76 Grade B4B
Din 2.4631 Nimonic 80A ASTM A182 F12 EN41B

Other specialised cast materials
Ni- hard
Ni-resist
Stellite 6

Stainless steel
We also stock a wide range of specialised stainless steels commonly used by power stations, including the following grades:
310
420
2RK65
321 410 Inconel 600
431 904L Inconel 601
253MA 630PH – 17/4PH SAF 2205

Other materials
We also manufacture in a wide range of mild steels, non-ferrous metals and synthetic materials and will source other materials on request.