ALUMINIUM and its alloys
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Sections |
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6082 H30 |
Medium strength, general purpose alloy, good corrosion resistance |
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2014A H15 |
High strength, very good machinability, high tech applications – aerospace |
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6063 H9 |
Low strength, suitable for bending, good anodising |
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6262 |
High strength, very good machinability and corrosion resistance |
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2011 FMA |
Maximum machinability, good strength, reduced corrosion resistance |
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Rolled |
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6082 H30 |
Medium/high strength, general purpose alloy, good corrosion resistance, welding and fabrication |
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2014A H15 |
High strength, very good machinability, reduced corrosion resistance – aerospace |
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1050 S1B |
Pure aluminium, low strength, good forming, corrosion resistance |
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3103 N3 |
Low/medium strength, very good corrosion resistance and weldability |
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5251 N4 |
Medium strength, very good corrosion resistance and forming |
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5083 N8 |
Medium/high strength, very good corrosion resistance and weldability, general purpose use |
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Treadplate |
Pattered treadplate |
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Plate |
High strength applications |
BRASS
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Sections |
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CZ121 |
High speed machining brass, free cutting. |
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CZ112 |
Naval brass, very good corrosion resistance, good machinability |
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CZ114 |
High tensile brass, good machinability |
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CZ130 |
Bright finish brass, used for architectural sections |
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CZ131 |
Turning/rivertting brass, free machining brass with some ductility |
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CZ108 |
63/37 Common wrought brass |
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CZ126 |
70/30 Arsenical brass, good corrosion resistance |
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Rolled |
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CZ106 |
70/30 Soft brass for deep drawing, excellent ductility |
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CZ108 |
63/37 Common wrought brass |
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CZ112 |
Naval brass, high corrosion resistance and machinability |
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CZ120 |
Compo engraving quality brass. |
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CZ101 |
Gilding brass for jewellery and architectural work |
COPPER
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Sections |
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HDC101 |
High conductivity copper |
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C111 |
Free machining copper – sulphur bearing |
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Rolled |
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C101 |
High conductivity copper |
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C103 |
Oxygen free copper |
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CB101 |
Beryllium copper |
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C106 roof |
Roofing copper |
BRONZE
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Sections |
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PB102 |
General purpose wrought phosphor bronze |
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SAE600 |
Concast round/hollow leaded bronze general purpose bronze |
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LB4 |
Concast round/hollow leaded bronze – medium loads |
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PB1 |
Concast round/hollow leaded bronze – medium/heavy loads |
STAINLESS STEEL
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Sections |
Colour Code |
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303S31 |
Austenitic, free machining, high corrosion resistance, non-magneticand cannot be hardened by heat treatment |
White |
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304S11 |
Austenitic, high corrosion resistance, good welding, fabrication and polishing qualities, non-magnetic |
Green |
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316S11 |
Austenitic, excellent corrosion resistance, non-magnetic |
Black |
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Rolled |
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304 |
Austenitic, high corrosion resistance, good welding, fabrication and polishing qualities, non-magnetic |
STEEL
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Specification BS970: 1991 1955 |
Carbon Steel |
Colour Code |
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080A15 |
EN3B/EN32 |
For general engineering, machinable, weldable, can be case hardened |
Blue |
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230M07 |
EN1A F/C |
Freecuttting steel for fast machining & long tool life |
Green |
230M07 Pb |
EN1A Pb |
Leaded freecutting steel for very fast machining & long tool life, superior surface finish. |
Magenta |
212A42 |
EN8DM |
A freecutting medium tensile steel for general engineering |
Orange |
070M20 |
EN3A |
A general purpose low tensile mild steel for manufacturing lightly stressed components |
Blue/Red |
080A25 |
EN4 |
Similar use to EN3B/3A but with a higher maximum carbon content (0.30max) |
Blue/Green |
080M40 |
EN8 |
A medium tensile steel for general engineering. |
Yellow |
070M55 |
EN9 |
A medium tensile steel with good wear resistance |
Yellow/Blue |
| 605M36T | EN16T | A manganese molybdenum higth tensile alloy steel, hardened and tempered to the 'T' condition. Excellent ductility without brittleness. Readily machinable. | White |
| 817M40T | EN24T | A 1 1/2% nickel chrome direct hardening steel supplied hardened and tempered to the 'T' condition. High resistance to wear. | Brown |
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Key Steel |
Key Steel |
Supplied to close tolerance |
Red/Yellow |
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150M19 |
EN14 A/B |
A Medium tensile carbon managanese steel possessing good impact resistance, weldable |
Pink/Black |
080M50 |
EN43 A/B |
A high carbon and manganese steel, can be through hardened, weldable. |
Red/Green |
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Alloy Steels |
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6665M17 |
EN34 |
A medium alloy case hardening steel which after carburising and hardening gives a hard wearing case and a core strength of approximately 700N/mm2 |
Black/Yellow |
To the best of my knowledge their is no industry
standard on colour codes, each mill using different colours.
The above colours are as per my suppliers and steel I supply (other than EN1A
F/C) will be marked
at one end to identify the grade.
