| ASTM |
A536-84 |
Maximum shock resistance. Parts to beused at sub- zero temperatures. |
60-40-18 |
60,000 |
40,000 |
18 |
Maybe annealed |
| Most widely used grade for normal service. |
60-45-12 |
65,000 |
45,000 |
12 |
|
| Suitable for flame and induction hardening. |
80-55-06 |
80,000 |
55,000 |
6 |
|
| Best combination of strength, wear resistance and re- sponse to surface hardening. |
100-70-03 |
100,000 |
70,000 |
3 |
Usually Normalized |
| Maximum strength and wear resistance. |
120-90-02 |
120,000 |
90,000 |
2 |
Quenched & Tempered |
| SAE |
J434c |
For automotive and industries. |
|
BHN of Casting |
|
| D-4018 |
170 Max. |
May be Annealed |
| D-4512 |
156-217 |
|
| D-5506 |
187-255 |
|
| D-7003 |
241-302 |
May be Normalized |
| DQ&T |
As Specified |
Quenched & Tempered |
| ASTM ASME |
A395-88 SA395 |
Pressure con- taining parts for use at elevated temperatures. |
60-40-18 |
60,000 |
40,000 |
18 |
Ferritized by annealing. |
| ASTM ASME |
A476-82 A476-84(metric) SA476 |
Ductile iron cast- ings for paper mill dryer rolls for ser- vice temperatures up to 450F (230C) |
80-60-03 |
80,000 |
60,000 |
3 |
To be used in as-cast condition. Brinell hard- ness shall be minimum 201 BHN |
| U.S.Military |
MIL-1- 24137-(Ships) amended |
Navy shipboard and other applica- lions requiring shock resistance. |
Class A |
60,000 |
40,000 |
15 |
Shall be ferritized by annealing to 190 max. BHN. |
