Chemical Requirements
|
Element
|
Composition, %
|
|||||||
|
Type 1
|
Type 1b
|
Type 2
|
Type 2b
|
Type 3
|
Type 4
|
Type 5
|
Type 6
|
|
|
Carbon, total, max
|
3.00 | 3.00 | 3.00 | 2.60 | 2.60 | 2.40 | 2.40 | 3.00 |
|
Silicon
|
1.00-2.80 | 1.00-2.80 | 1.00-2.80 | 1.00-2.80 | 1.00-2.00 | 5.00-6.00 | 1.00-2.00 | 1.50-2.50 |
|
Manganese
|
0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 |
|
Nickel
|
13.50-17.50 | 13.50-17.50 | 18.00-22.00 | 18.00-22.00 | 28.00-32.00 | 29.00-32.00 | 34.00-36.00 | 18.00-22.00 |
|
Copper
|
5.50-7.50 | 5.50-7.50 | 0.50max | 0.50max | 0.50max | 0.50max | 0.50max | 3.50-5.50 |
|
Chromium
|
1.5-2.5 | 2.50-3.50 | 1.5-2.5 | 3.00-6.00A | 2.50-3.50 | 4.50-5.50 | 0.10max | 1.00-2.00 |
|
Sulfur, max
|
0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 |
|
Molybdenum, max
|
... | ... | ... | ... | ... | ... | ... | 1.00 |
AWhere some machining is required, the 3.00–4.00 % chromium range is recommended.
Mechanical Requirements
|
Type 1
|
Type 1b
|
Type 2
|
Type 2b
|
Type 3
|
Type 4
|
Type 5
|
Type 6
|
|
|
Tensile strength, min, ksi (MPa)
|
25(172) | 30(207) | 25(172) | 30(207) | 25(172) | 25(172) | 20(138) | 25(172) |
|
Brinell hardness (3000 kg)
|
131 183 | 149 212 | 118 174 | 171 248 | 118 159 | 149 212 | 99 124 | 124 174 |
|
Dimensions
|
"Y" Block Size
|
|||||
|
For Castings of Thickness Less
than 1⁄2 in. (13 mm)
|
For Castings of Thickness 1⁄2 in.
(13 mm) to 1 1⁄2 in. (38 mm)
|
For Castings of Thickness of
1 1⁄2 in. (38 mm) and Over
|
||||
|
in.
|
mm |
in.
|
mm |
in.
|
mm | |
| A |
1⁄2
|
13 | 1 | 25 | 3 | 75 |
| B | 1 5/8 | 40 | 2 1/8 | 54 | 5 | 125 |
| C | 2 | 50 | 3 | 75 | 4 | 100 |
| D | 4 | 100 | 6 | 150 | 8 | 200 |
| E | 7 | 175 | 7 | 175 | 7 | 175 |
|
approx
|
approx
|
approx
|
approx
|
approx
|
approx
|
|
NOTE1-1⁄16 in. = 1.6 mm; 1⁄8 in. = 3.2 mm.
