SPÉCIFICATION
/ SPECIFICATION
ASTM A-134
|
|
PROPRIÉTÉ
MÉCANIQUE MIN. / MIN MECHANICAL PROPERTIES
|
GRADE
DACIER
STEEL GRADE
|
Charge
de rupture, min. Ksi
( Mpa)
Tensile strength ,min Ksi
( Mpa )
|
Limite
élastique, min. Ksi ( Mpa )
Yield strength, min Ksi ( Mpa )
|
Élongation
sur 2 po. % min.
Elongation in 2 inches
(50 mm)% min.
|
ASTM
A-36 / A-36 M |
58-80 ( 400-550 )
|
36 ( 250 )
|
23
|
ASTM
A-283 / A-283 M gr A |
45-60 ( 310-415 )
|
24 ( 165 )
|
30
|
ASTM
A-283 / A-283 M gr B |
50-65 ( 345-450 )
|
27 ( 215 )
|
28
|
ASTM
A-283 / A-283 M gr C |
55-75 ( 380-515 )
|
30 ( 205 )
|
25
|
ASTM
A-283 / A-283 M gr D |
60-80 ( 415-550 )
|
33 ( 230 )
|
23
|
ASTM
A-285 / A-285 M gr A |
45-65 ( 310-450 )
|
24 ( 165 )
|
30
|
ASTM
A-285 / A-285 M gr B |
50-70 ( 345-485 )
|
27 ( 215 )
|
28
|
ASTM
A-285 / A-285 M gr C |
55-75 ( 380-515 )
|
30 ( 205 )
|
27
|
ASTM
A-570 / A-570 M gr 30 |
49 ( 340 )
|
30 ( 205 )
|
25 ( 6 @ 2.5 mm )
|
ASTM
A-570 / A-570 M gr 33 |
52 ( 360 )
|
33 ( 230 )
|
23 ( 6 @ 2.5 mm )
|
ASTM
A-570 / A-570 M gr 36 |
53 ( 365 )
|
36 ( 250 )
|
22 ( 6 @ 2.5 mm )
|
ASTM
A-570 / A-570 M gr 40 |
55 ( 380 )
|
40 ( 275 )
|
21 ( 6 @ 2.5 mm )
|
ASTM
A-570 / A-570 M gr 45 |
60 ( 415 )
|
45 ( 310 )
|
19 ( 6 @ 2.5 mm )
|
ASTM
A-570 / A-570 M gr 50 |
65 ( 450 )
|
50 ( 345 )
|
17 ( 6 @ 2.5 mm )
|
ASTM A-570 / A-570
M gr 55 |
70 ( 480 )
|
55 ( 380 )
|
15 ( 6 @ 2.5 mm )
|