Heat Resistant Castings

VKA Group has been in the industry of heat resistant castings for the last 20 years.

Its Group company Aggarwal Soundcast is currently supplying to major automobile companies, forging companies, auto component manufacturers, furnace manufacturers and major heat treaters in India and abroad.

We have a dedicated team for designing trays and fixtures depending on our customers requirements. The various parameters that we look into while designing a fixture are;

Optimum life of trays/fixtures
Minimum Weight of trays/fixtures
Maximum Utilization of furnace capacity
Selection of H.R.C.S Grade according to type of heat treatment, load and temperature
Loading Ratio i.e weight of the heat treated components to the weight of the fixture
Operating ease of the workmen.
Commonisation of fixtures for various components

Heat Resistant Castings-Alloys Cast:

ASTMA 927	C	Cr	Ni	Si	Min Max	S Max	P Max	Moly Max	IS Max
HD	0.20 – 0.50	26.0 – 30.0	4.0 – 7.0	2.00	1.00	0.050	0.050	0.5	4
HF	0.20 – 0.50	18.0 – 20.0	8.0 – 10.0	2.00	2.00	0.050	0.050	0.5	5
HE	0.20 – 0.50	26.0 – 30.0	8.0 – 10.0	2.00	2.00	0.050	0.050	0.5	6
HH1	0.20 – 0.50	23.0 – 27.0	11.0 – 14.0	2.00	2.00	0.050	0.050	0.5	7
HH2	0.15 – 0.35	19.0 – 21.0	13.0 – 15.0	2.50	1.50	0.050	0.050	0.5	8
HK	0.20 – 0.50	23.0 – 27.0	18.0 – 22.0	2.00	2.00	0.050	0.050	0.5	9
HL	0.20 – 0.60	28.0 – 32.0	18.0 – 22.0	2.50	2.00	0.050	0.050	0.5	10
HN	0.20 – 0.50	19.0 – 23.0	23.0 – 27.0	2.00	2.00	0.050	0.050	0.5	11
HT	0.35 – 0.75	13.0 – 17.0	33.0 – 37.0	2.50	2.00	0.050	0.050	0.5	12
HU	0.35 – 0.75	17.0 -21.0	37.0 – 41.0	2.50	2.00	0.050	0.050	0.5	13
HX	0.35 – 0.75	15.0 – 19.0	62.0 – 68.0	2.50	2.00	0.50	0.050	0.5	14