Worcester Aluminium Alloys Ltd

DIMENSION TOLERANCES
(Rounded Down)

Cross-sectional *Metal dimension A.D.C

up to 3mm
3.0 - 6.0
6.0 - 12.0
12.0 - 20.0
20.0 - 25.0
25.0 - 40.0
40.0 - 50.0
50.0 - 100.0
100.0 - 150.0
150.0 - 200.0
200.0 - 250.0 0.15mm
0.18
0.20
0.23
0.25
0.31
0.36
0.61
0.86
1.12
1.37

Notes:
1. Dimensional tolerances have been rounded down to the nearest 0.05mm, because dial callipers used to measure metal dimensions are almost universally graduated at intervals at 0.05mm.
2. *Metal dimensions refer to solid metal dimensions or any measurement unbroken by a gap or void. For tolerances across gaps or voids refer to the A.D.C. standard.

MECHANICAL PROPERTY LIMITS EXTRUDED PRODUCTS

Tensile Strength (MPa)

Thickness¹ (mm) Ultimate Yield Elongation^{2 3}

Alloy
and Temper over up to min min (% min. in 50 mm
or 5.65 SqRoot-A)

6351-T4 150.0 185 115 16

6351-T5 All 262 241 8

6351-T6 150.0 293 255 8

- Tensile Strength (MPa)

Thickness¹ (mm) Ultimate Yield Elongation^{2 3}

Alloy and Temper over up to min min (% min. in 50 mm or 5.65 SqRoot-A)

6061-T4 All - 179 110 14

6061-T6 All - 262 241 8

- Tensile Strength (MPa)

- Thickness¹ (mm) Ultimate Yield Elongation^{2 3}

Alloy and Temper over up to min min (% min. in 50 mm or 5.65 SqRoot-A)

6063-T4 - 150.0 131 68 12

6063-T5 - 12.0 151 110 8

- 12.0 25.0 144 103 6

6063-T6 - 25.0 206 172 8

- 25.0 150.0 185 162 10

Footnotes
¹ The thickness of the cross-section or wall thickness from which the tension specimen is taken determines the applicable mechanical properties.
² For material of such dimensions that a standard test specimen cannot be taken, or for material thinner than 1.6mm the test for elongation is not required.

NOMINAL MASS (kg/m²) of aluminium sheet and plate.

THICKNESS mm NOMINAL kg/m² THICKNESS mm NOMINAL kg/m²

0.5 1.355 3.0 8.130

0.6 1.626 4.0 10.840

0.7 1.897 5.0 13.550

0.8 2.168 6.0 16.260

0.9 2.439 8.0 21.680

1.0 2.710 10.0 27.100

1.2 3.252 12.0 32.520

1.6 4.336 16.0 43.360

2.0 5.420 20.0 54.200

2.5 6.775 25.0 67.750

To calculate NOMINAL mass (kg/m) of extruded aluminium sections, tube, etc:
(a) Calculate cross-section area (mm²);
(b) Multiply by 0.00271.
To calculate FACTOR (i. e. the "difficulty of extrusion" factor):
(a) Calculate the perimeter of the section (Note: for hollows, add outside perimeter and inside perimeter);
(b) Divide this by the nominal kg/m of the section.

METRIC CONVERSION DATA

Length: 1 inch = 25.4mm
1 foot = 0.305m 1 mm = 0.0394 inches
1 m = 3.28 feet

Area: 1 sq inch = 645mm²
1 sq foot = 0.0929m² 1 mm² = 0.00155 sq inches
1 m² = 10.8 sq feet

Volume: 1 cubic inch = 16387mm³ 1mm³ = 0.000061 cubic inches

Force: 1 pound per foot = 4.45 Newtons 1 Newton = 0.225 pounds per foot

Stress: 1 pound per sq inch = 0.00689MPa 1 MPa = 145 pounds per sq inch

*Cross-sectional Metal dimension**	A.D.C
up to 3mm 3.0 - 6.0 6.0 - 12.0 12.0 - 20.0 20.0 - 25.0 25.0 - 40.0 40.0 - 50.0 50.0 - 100.0 100.0 - 150.0 150.0 - 200.0 200.0 - 250.0	0.15mm 0.18 0.20 0.23 0.25 0.31 0.36 0.61 0.86 1.12 1.37

			Tensile Strength (MPa)
	Thickness¹ (mm)		Ultimate	Yield	Elongation^{2 3}
Alloy and Temper	over	up to	min	min	(% min. in 50 mm or 5.65 SqRoot-A)
6351-T4		150.0	185	115	16
6351-T5	All		262	241	8
6351-T6		150.0	293	255	8

THICKNESS mm	NOMINAL kg/m²	THICKNESS mm	NOMINAL kg/m²
0.5	1.355	3.0	8.130
0.6	1.626	4.0	10.840
0.7	1.897	5.0	13.550
0.8	2.168	6.0	16.260
0.9	2.439	8.0	21.680
1.0	2.710	10.0	27.100
1.2	3.252	12.0	32.520
1.6	4.336	16.0	43.360
2.0	5.420	20.0	54.200
2.5	6.775	25.0	67.750

Length:	1 inch = 25.4mm 1 foot = 0.305m	1 mm = 0.0394 inches 1 m = 3.28 feet
Area:	1 sq inch = 645mm² 1 sq foot = 0.0929m²	1 mm² = 0.00155 sq inches 1 m² = 10.8 sq feet
Volume:	1 cubic inch = 16387mm³	1mm³ = 0.000061 cubic inches
Force:	1 pound per foot = 4.45 Newtons	1 Newton = 0.225 pounds per foot
Stress:	1 pound per sq inch = 0.00689MPa	1 MPa = 145 pounds per sq inch