GUIDE TO METAL SELECTION

MAIN GROUP

REQUIREMENTS

CASTING EXAMPLES

TYPES MEEHANITE RECOMMENDED

GENERAL ENGINEERING
GOOD AND CONSISTENT MACHINABILITY
REPITITION MACHINING OF SMALL COMPONENTS WITH SECTIONS DOWN TO 3mm
GF
GENERAL ENGINEERING
IMPACT STRENGTH
MACHINE PARTS, HOUSING, COUPLINGS, LEVERS
SF.SFF

 

GENERAL ENGINEERING
HIGH FLUID PRESSURE
PUMP BODIES, CYLINDERS, VALVES, PISTONS, PIPES
CG.GB.GA.GM.SP

 

GENERAL ENGINEERING
VIBRATORY STRESSES
MACHINE TOOL PARTS, GEARS, CRANKSHAFTS, BEDPLATES, MACHINE FRAMES
GE.GC.GA.GM

 

GENERAL ENGINEERING
DIMENSIONAL STABILITY
GAUGES, JIGS, MACHINE TOOL PARTS, GEARS
GE.GC.GA.GM
GENERAL ENGINEERING
STRESSES AT TEMPERATURES UP TO 450C
SUPERHEATED STEAM HEADERS, CYLINDER HEADS, TURBINE PARTS, SUPPORTS AND BRACKETS
GA.GM.SP
HEAT
INTERMITTENT HEAT, THERMAL SHOCK
INGOT MOULDS, SLAG POTS, CENTRIFUGAL CASTING PARTS, GLASS MOULDS, SIPHON PIPES
HE.HD

 

HEAT
CONTINUOUS HEAT UP TO 750C
OIL REFINERY BAFFLE PLATES AND BUBBLE CAPS, STOKER LINKS, MELTING POTS, DIE CASTING PARTS
HE.HD
HEAT
CONTINUOUS HEAT UP TO 850C

 

FERNACE POTS, MELTING POTS, FUSION POTS, RETORTS, TUBE SUPPORTS
HR.HS
HEAT
SCALING AND GROWTH UP TO 900C
FURNACE PARTS, ANNEALING BOXES AND TRAYS, CARBONISING BOXES, GRATES, SKID BARS
HS.HSV
HEAT
HEAT WITH CORROSIVE ATTACK BY ACIDS, ALKALIS
STILLS, RETORTS, FUSION POTS, SALT BATH POTS
HE.HD
HEAT
HEAT IN COMBINATION WITH ABRASIVE WEAR
MILL LINERS, CRUSHER SEGMENTS AND JAWS, PULVERISERS, STAMP MILL PARTS, STAMPING DIES
WEC.SP.WSH
WEAR
LUBRICATED WEAR
MACHINE TOOL SLIDES, CYLINDER LINERS, GEARS, PISTONS, CAMS
GC.GB.GA.WA.SP
WEAR
ABRASIVE WEA
ASH AND GRAVEL PIPES, ROLLS AND ROLLERS, CAR WHEELS, WIRE DRAWING DRUMS
WA.WH.WS
WEAR
HEAVY ABRASION WITH SHOCK
MILL LINERS, CRUSHER SEGMENTS AND JAWS, PULVERISERS, STAMP MILL PARTS, STAMPING DIES
WEC.SP.WSH
WEAR
WEAR WITH DEVELOPMENT OF HEAT (HEAT CRAZING)
HEAVY BRAKE DRUMS, CLUTCH PLATES, HOT FORMING DIES, CYLINDER LINERS
GD.GC.GA.WA.PC
WEAR
EROSION FROM SOLIDS CARRIED IN LIQUIDS
SLURRY PUMP PARTS, GRAVEL PIPES, ASH SLUICES
WA.WB.WH.WSH.SH
CORROSION
CONTACT WITH DILUTE ACIDS AND CHEMICALS (pH LESS THAN 2.0)
EVAPORATORS, PUMPS, VALVES, VACUUM PANS, FILTERS
CB3.CR.CRS
CORROSION
CONTACT WITH CONC. SULPHURIC ACIDS (OVER 75% CONCENTRATION)
PIPES, PUMPS, CONVERTERS, STILL BODIES, STORAGE, VESSELS, FITTINGS
CB3.CHS
CORROSION
CONTACT WITH CONCENTRATED ALKALIS (pH OVER 7.0) 
CARBONATORS, CAUSTICISERS, VALVES, PUMPS, PIPES AND FITTINGS, POTS
KC.HE.HD