Alloy Choice

**ALLOY SPECIFICATIONS**
SPECIFICATIONS				MECHANICAL PROPERTIES					GENERAL CHARACTERISTICS
BS		Former		Available Form	0.2% Proof Stress N/mm2	Tensile Strength N/mm2	Elongation % on 50mm	Typical Hardness Brinell	Cold Forming	Machining	Durability	Inert Gas Shielded Arc (MIG or TIG)	Resistance (Spot,Seam,Flash,Stud)	General Description
1080A	0	S1A	0	Sheet	-	90 max	29-35	19	E	F	E	E	G	99.8% Purity. Very malliable. Excellent corrosion resistance.
	H14	S1A	H4	Sheet	-	90-125	5-8	29	V
1050A	H14	S1B	H4	Sheet	-	100-135	4-8	30	V	F	V	E	V	99.5% Purity. Malleable. Good corrosion resistance.
	H18	T1B	H8	Tube	-	135	-	30	F	G				99.5% Purity. Malleable. Good corrosion resistance.
1350	H12	E1E	H2	Extrusion	-	85	13	24	V	F	V	E	V	Electrical Purity. Very good conductivity.
1200	0	S1C	0	Sheet		70-105	20-30	22	E	F				99% Purity. Commercial grade normally the cheapeste form used where strength is not important.
	H14	S1C	H4	Sheet	-	105-140	3-6	34	V	F
	H18	S1C	H8	Sheet	-	140	2-4	42	F	G	V	E	V
	F	E1C	M	Extrusion	-	65	18	23	E	F
	H18	T1C	H8	Tube	-	140	-	34	F	G
3103	H14	NS3	H4	Sheet	-	140-175	3-7	44	V	F	V	E	E	Slightly stronger than pure auminium; other properties similar.
5251	F	NS4	M	Plate	-	-	12-15	53	V	G				Medium strength alloy, work hardens rapidly. Resistant to marine atmosphere
	0	NS4	0	Sheet	60	160-200	18-20	45	V	G
	H22	NS4	H3	Sheet	130	200-240	4-8	62	G	G	V	V	E
	H24	NS4	H6	Sheet	175	225-275	3-5	70	G	V
	0	NT4	0	Tube	60	160-200	18	45	V	G
5005	H14	NS41 (AAQ5)	H4	Sheet	100	145-185	7	-	G	G	V	V	V	Architectural anodising quality.
5083	F	NS8	M	Plate	-	-	-	77	G	E	V			Readily welded suatbale for use in cryogenic applications eg storage & transportation of liquid gasses & in shipbuilding. Used in general engineering for tooling, jigs & fixtures.
	0	NS8	0	Sheet	125	275-350	12-16	72	G	E	V	E	E
	H22	NS8	H2	Sheet	235	310-375	5-10	95	F	E	F
6063	F	HE9	M	Extrusion	-	100	12	35	E	G	G			Medium strength alloy for architectural extrusions. Very good for complicated shapes, corrosion resistance & anodising.
	T4	HE9	TB	Extrusion	70	120-130	14	55	V	G	V
	T5	HE9	TE	Extrusion	110	150	7	65	G	G	G	V	V
	T6	HE9	TF	Extrusion	130-160	150-195	7	80	F	V	G
	T6	HT9	TF	Tube	180	200	8	80	F	V	G
6101A	T6	E91E	TF	Extrusion	175	200	7	70	G	V	G	V	V	Medium strength; good electrical conductivity
6082	T4	HS30	TB	Sheet	115-120	200	15	65	G	V	V			The recommended alloy for structural purposes with good strength & general corrosion resisitance. Vehicles, bridges, cranes. General engineering, tooling plate.
	T6	HS30	TF	Sheet	240-255	295	8	100	F	E	G
	T4	HE30	TB	Extrusion	100-120	170-190	14	65	G	V	V	V	V
	T6	HE30	TF	Extrusion	240-280	280-310	7	100	F	E	G
	T6	HT30	TF	Tube	240-255	310	8	100	F	E	G
2011	T3	FC1	TD	Extrusion	230-255	295-310	6	95	F	E	P	N	N	Free cutting alloy for use in automatic lathes.
	T6	FC1	TF	Extrusion	195-225	295-310	8	100						Free cutting alloy for use in automatic lathes.
2014A	T4	H15	TB	Sheet & Plate	245	385	14	115	G	V	P	N	E	Combines high strength with good ductility in the solution treated condition. Stressed components of all types in aircraft & general engineering.
	T6	H15	TF	Sheet	380	440	9	145
	T6	H15	TF	Plate	345-360	420-430
7020	T6	H17	TF	Plate	270	320	10	120	-	G	G	V		Medium strength weldable armour with good resistance to stress corrosion. Armoured vehicles.
Alumec 79				Plate	475	530	9	145	-	E	G	G		A high strength alloy used extensively for tooling plate & general engineering applications.
Alumec 89/99				Plate	525	575	10	168	-	E	G	P		A higher strength alloy used for tooling plate.

UK aluminium and stainless steel stockholders

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