 |
DIN 1691 1985 |
GG
15
|
GG
20
|
GG
25
|
GG
30
|
GG
35
|
|
| U.S.A.ASTM A48 1983 |
Class
20B
|
Class
25B
|
Class
35B
|
Class
50B
|
Class
55B
|
||
| ITALY UNI 5007 1969 |
G
15
|
G
20
|
G
25
|
G
30
|
G
35
|
||
| FRANCE NF A32-101 1965 |
Ft15D
|
Ft20D
|
Ft25D
|
Ft30D
|
Ft35D
|
||
| Mechanical Spec. | UNIT | ||||||
| Tensile Strenght | N/mm2 min |
150
|
200
|
250
|
300
|
350
|
|
| Hardness | HB |
160-190
|
170-210
|
180-220
|
200-240
|
210-250
|
|
