ASTM A489 - Standard Specification for Carbon Steel Lifting Eye Bolts
This specification covers weldless forged, quenched and tempered carbon steel threaded lifting eyes or eyebolts for overhead lifting. ASTM A489 covers two types of lifting eye one denoting shank patter and other denoting shank length as defined in ANSI / ASME B18.15. Only imperial size eyebolts are available as per this specification with information mentioned in inch pound units. Bolting Specialist can manufacture lifiting eye bolts as per ASTM A489 and supply with EN 10204 type 3.1 certification.
ASTM A489 Types
| Style |
Desription |
| Type 1 |
Plain pattern (straight shank) |
| Type 2 |
Shoulder pattern |
| Style B |
Short length |
ASTM A489 Chemical Composition
| Element |
Heat Analysis % |
Product Analysis % |
| Carbon, max |
0.48 |
0.51 |
| Manganese, max |
1.00 |
1.06 |
| Phosphorus, max |
0.040 |
0..048 |
| Sulfur, max |
0.050 |
0.058 |
| Silicon |
10.15 - 0.35 |
0.12 - 0.38 |
Breaking Strength and Proof Load Requirement, Types 1 & 2.
| Nominal Thread Size |
Tensile Stress AreaA |
Breaking Strength, min |
Proof Load, minB |
| Inch Pound Units |
| in. |
in.2 |
lbf |
lbf |
| 1/4"-20 |
|
|
|
| 5/16"-18 |
|
|
|
| 3/8"-16 |
|
|
|
| 7/16"-14 |
|
|
|
| 1/2"-13 |
|
|
|
| 9/16"-12 |
|
|
|
| 5/8"-11 |
|
|
|
| 3/4"-10 |
|
|
|
| 7/8"-9 |
|
|
|
| 1"-8 |
|
|
|
| 1-1/8"-7 |
|
|
|
| 1-1/4"-7 |
|
|
|
| 1-1/2"-6 |
|
|
|
| 1-3/4"-5 |
|
|
|
| 2"-4 |
|
|
|
| 2-1/2"-4 |
|
|
|
A The Stress area is calculated as follows: As = 0.7854[D-(0.9743/n)]
2
Where
As = Stress area, in
2,
D = Nominal bolt size, and
n = Threads per inch.
B Proof load is calculated as 2 times the rated capacity in straight pull (0 degrees) specified in ANSI/ASME B18.15.
ASTM A489 Mechanical Requirement.
| Tensile Strength |
Yield Strength |
Elongation in 4D, min, % |
Reduction of area, min, % |
| ksi |
Mpa |
ksi |
Mpa |
| 65 - 90 |
448 - 620 |
30 |
207 |
30 |
60 |
Grain Size Requirement
The finished lifting eye shall have an as-finished grain size of ASTM No. 5 or finer. The grain size shall be rated from a broken tensile specimen and representing a heat treated lot of one size.