|
|
خواص شيميايي محصولات بر طبق استانداردهاي مختلف
|
|
STD
|
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
|
ISIRI(Iran)
|
PB
|
240
|
Max 0.24
|
Max 0.60
|
Max 0.85
|
Max 0.055
|
Max 0.055
|
|
RB
|
340
|
Max 0.34
|
Max 0.65
|
Max 1.4
|
Max 0.050
|
Max 0.050
|
|
400
|
Max 0.39
|
Max 0.65
|
Max 1.7
|
Max 0.050
|
Max 0.050
|
|
500
|
Max 0.42
|
Max 0.95
|
Max 1.9
|
Max 0.050
|
Max 0.050
|
|
BS4449(England)
|
PB
|
250
|
Max 0.25
|
-
|
Nitrogen 120ppm
|
Max 0.065
|
Max 0.065
|
|
RB
|
460A
|
Max 0.25
|
Nitrogen 120ppm
|
Max 1.60
|
Max 0.055
|
Max 0.065
|
|
460B
|
Max 0.25
|
Nitrogen 120ppm
|
Max 0.055
|
Max 0.065
|
|
ASTM A615(USA)
|
RB&PB
|
40(300)
|
-
|
-
|
-
|
-
|
-
|
|
60(420)
|
0.35-0.40
|
0.17-0.25
|
1.3-1.5
|
Max0.035
|
Max0.025
|
|
75(520)
|
-
|
-
|
-
|
-
|
-
|
خواص مكانيكي محصولات بر طبق استانداردهاي مختلف
|
|
STD
|
Grade
|
|
|
|
Bending
Angle
|
Bending
Diameter
|
|
A5
|
A10
|
|
ISIRI(Iran)
|
PB
|
240
|
Min 240 MPa
|
Min 360 MPa
|
Min 25
|
Min 18
|
180
|
2D
|
|
RB
|
340
|
Min 340 MPa
|
Min 500 MPa
|
Min 18
|
Min 15
|
180
|
3D
|
|
400
|
Min 400 Mpa
|
Min 600 Mpa
|
Min 16
|
Min 12
|
180
|
5D
|
|
500
|
Min 500 Mpa
|
Min 650 Mpa
|
Min 10
|
Min 8
|
90
|
5D
|
|
BS4449(England)
|
PB
|
250
|
Min 250 Mpa
|
1.15
|
22
|
-
|
|
2D
|
|
RB
|
460A
|
Min 460 Mpa
|
1.05
|
12
|
d<=16
|
|
5D
|
|
460B
|
Min 460 Mpa
|
1.08
|
14
|
d>16
|
|
7D
|
|
ASTM A615(USA)
|
RB&PB
|
40(300)
|
Min 300 Mpa
|
Min 500 Mpa
|
11--12
|
|
180
|
3.5.,5D
|
|
60(420)
|
Min 420 Mpa
|
Min 620 Mpa
|
7--9
|
|
180
|
3.5,9D
|
|
75(520)
|
Min 520 Mpa
|
Min 690 Mpa
|
6--7
|
|
180
|
5,9D
|
|