■ Steel and Non-Ferrous Metal Symbols Chart

●Cee a oeous e lassifications and Symbols ofyo Steelsa●Non-Ferrous Metals
Cl MilSl
ClassMaterialSymbolCode Descriptionass ateraymbo
eelsRolled Steels for welded structuresSM"M" for "Marine"-Usually used in welded marine structuresAlloys Copper and Copper alloys - Sheets,CxxxxP CxxxxPP
al StRe-rolled SteelsSRB"R" for "Re-rolled" and "B" for "Bar"per plates and stripsCxxxxR
ucturRolled Steels for general structuresSSS for "Steel" and for "Structure"CopCxxxxBD
StrLiht aue sections for eneral structuresSSCC for "Cold"d
g gg gan Copper and Copper allos - WeldedCxxxxBDS
Steel SheetsHot rolled mild steel sheets / plates in coil formSPHP for "Plate" and "H" for "Hot"per y pipes and tubesCxxxxBE
Carbon steel tubes for pipingSGP"GP" for "Gas Pipe"CopCxxxxBF
Carbon steel tubes for boiler and heat exchangersSTB"T" for "Tube" and "B" for "Boiler"oys Aluminium and Al alloys - SheetsAxxxxP
Seamless steel tubes for high pressure gas cylindersSTH"H" for "High Pressure"All , plates and stripsAxxxxPC
sCarbon steel tubes for general structuresSTK"K" for "Kozo"-Japanese word meaning "structure"niumAxxxxBE
beCarbon steel tubes for machine structural usesSTKM"M" for "Machine"umi Aluminium and Al alloysAxxxxBD
el TuAlloy steel tubes for structuresSTKS"S" for "Special"d Al -Rods, bars, and wiresAxxxxW
SteAlloy steel tubes for pipingSTPA"P" for "Piping" and "A" for "Alloy"m an Aluminium and Al alloys-Extruded shapes AxxxxS
Carbon steel tubes for pressure pipingSTPG"G" for "General"iniuAxxxxFD
Carbon steel tubes for high temperature pipingSTPT"T" for "Temperatures"Alum Aluminium and Al alloys forgingsAxxxxFH
Carbon steel tubes for high pressure pipingSTS"S" after "SP" is abbreviation for "Special"um
Stainless steel tubes for pipingSUS-TP"T" for "Tube" and "P" for "Piping"Magnesi Alloys Magnesium alloy sheets and platesMP
uresCarbon steels for machine structural usesSxxC"C" for "Carbon"kel ys Nickel-copper alloy sheets and plates NCuP
tructAluminium Chromium Molybdenum steelsSACM"A" for "Al", "C" for "Cr" and "M" for "Mo"Nic Allo Nickel-copper alloy rods and barsNCuB
e SChromium Molybdenum steelsSCM"C" for "Cr" and "M" for "Mo"ht m
chinChromium steelsSCr"Cr" for "Chromium"Wroug itaniu Titanium rods and barsTB
MaNickel Chromium steelsSNC"N" for "Nickel" and "C"for "Chromium"T Brass castinsYBsCx
eel forNickel Chromium Molybdenum steelsSNCM"M" for "Molybdenum" "M" f "M"g High strength Brass castingsHBsCx
StManganese steels for structural use Manganese Chromium steelsSMn SMnCn or anganese "C" for "Chromium"Bronze castingsBCx
lsCarbon tool steelsSK"K" for "Kogu"-Japanese word meaning "tool"Phosphorus Bronze castingsPBCx
SteeHollow drill steelsSKC"C" for "Chisel"Aluminium Bronze castingsAlBCx
olAlloy tool steelSKS SKD SKTS for "Special" D for "Die" T for "Tanzo"-Japanese word for "forging"s Aluminium alloy castingsAC
ls ToHigh speed tool steelsSKH"H" for "High speed"ting Magnesium alloy castingsMC
Stee eelsFree cutting sulphuric steelsSUM"M" for "Machinability"Cas Zinc alloy die castingsZDCx
ial s StHigh Carbon Chromium bearing steelsSUJ"J" for "Jikuuke"-Japanese word meaning "bearing"Aluminium alloy die castingsADC
pec inlesSpring steelsSUP"P" for "Spring"Magnesium alloy die castingsMDC
S StaStainless SteelsSUS"S" after "SU" is abbreviation for "Stainless"White metalsWJ
t SteelsHeat-resistant steelsSUH"U" for "Special Usage" and "H" for "Heat"Aluminium alloy castings for bearingsAJ
esistanHeat-resistant steel barsSUH-B"B" for "Bar"Copper-Lead alloy castings for bearingsKJ
Heat-rHeat-resistant steels sheetsSUHP"P" for "Plate"
elsCarbon steel forgings for general useSF"F" for "Forging"
SteCarbon steel booms and billets for forgingsSFB"B" for "Billet"
rgedChromium Molybdenum steel forgingsSFCM"C" for "Chromium" and "M" for "Molybdenum"
FoNickel Chromium Molybdenum steel forgingsSFNCM"N" for "Nickel"
Grey cast ironsFC"F" for "Ferrous" and "C" for "Casting"
nsSpherical graphite / Ductile cast ironsFCD"D" for "Ductile"
t IroBlackheart malleable cast ironsFCMB"M" for "Malleable" and "B" for "Black"
CasWhiteheart malleable cast ironsFCMW"W" for "White"
Pearlite malleable cast ironsFCMP"P" for "Pearlite"
lsCarbon cast steelsSC"C" for "Casting"
SteeStainless cast steelsSCS"S" for "Stainless"
stHeat-resistant cast steelsSCH"H" for "Heat"
CaHigh Manganese cast steelsSCMnH"Mn" for "Manganese" and "H" for "High"