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  • Metallurgical Capabilities

Chemical Composition

All major elements are controlled and tested; Bi, Te, Ta, Nb,
Soluble/Insoluble Al & B are also checked.
Sulphurlevels – Normal Steel – 0.010 % max ; Low ‘S’ Steel – 0.002% max;
Re-Sulphurising Steel 0.010 – 0.100% max

Gas Level

General : H 2 < = 2 PPM;N2 < = 70 ppm
Special Applications : Ni < = 1000 PPM ; O2 < = 15 PPM;
O2 < = 6 PPM for ultra clean steel

Non Destructive Test

Surface inspection by MPI/Eddy Current/Pickling;
Internal Soundness by Portable Ultrasonic Tester/ Off line Auto UT

Destructive Test

Hardenability Test; Creep Test, Tensile Test

Microscopic Examination

Grain Size (ASTM E112), Inclusion Rating (ASTM E45), % degree of spheroidisation, Carbide precipitation

Macroscopic Examination

Macro etch (ASTM E381), Grain Flow, Hydrogen flakes, Chill zone, Equiaxed zone, Porosity