We currently use the following standards:

Welding

We conform to the requirements of Section IX of the ASME Boiler and Pressure Vessel Code where applicable.

AS/NZS 1554.6 Welding of Steel Structures

Materials

Cast stainless steel ASTM A743/A Grade CA6NM

Forged steel ASTM A668 D or "D" modified

Bearing Babbitt ASTM B23 Alloy #2

Aluminium bronze BS1400 AB2

Castings

Steel Founder's Society of America "Steel Castings Handbook"

Specification for inspection of steel castings of hydraulic machines CCH 70-3

Balancing

ISO 1940 -1-2003 typically to Grade G6.3

Testing

IEC 60193 International code for model acceptance tests of hydraulic turbines

IEC 60193A Supplement

IEC 60041 International code for acceptance tests of hydraulic turbines

IEC 609 Cavitation guarantees

IEC 995 Determination of prototype performance from model acceptance tests of hydraulic reaction turbines with consideration of scale effects