Riachtanais Cheimiceach
|
Eilimint
|
Comhdhéanamh, %
|
|||||||
|
Cineál 1
|
Cineál 1b
|
Cineál 2
|
Cineál 2b
|
Cineál 3
|
Cineál 4
|
Cineál 5
|
Cineál 6
|
|
|
Carbón, iomlán, uas
|
3.00 | 3.00 | 3.00 | 2.60 | 2.60 | 2.40 | 2.40 | 3.00 |
|
sileacain
|
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 |
|
Mangainéis
|
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 |
|
nicil
|
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 |
|
Copar
|
5.50-7.50 | 5.50-7.50 | 0.50 uas | 0.50 uas | 0.50 uas | 0.50 uas | 0.50 uas | 3.50-5.50 |
|
Cróimiam
|
1.5-2.5 | 2.50-3.50 | 1.5-2.5 | 3.00-6.00A | 2.50-3.50 | 4.50-5.50 | 0.10uas | 1.00-2.00 |
|
Sulfar, uas
|
0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 |
|
moluibdín, uas
|
... | ... | ... | ... | ... | ... | ... | 1.00 |
AI gcás ina bhfuil gá le meaisínithe áirithe, moltar an raon cróimiam 3.00–4.00 %.
Riachtanais Mheicniúla
|
Cineál 1
|
Cineál 1b
|
Cineál 2
|
Cineál 2b
|
Cineál 3
|
Cineál 4
|
Cineál 5
|
Cineál 6
|
|
|
Neart teanntachta, min, ksi (MPa)
|
25(172) | 30(207) | 25(172) | 30(207) | 25(172) | 25(172) | 20(138) | 25(172) |
|
Cruas Brinell (3000 kg)
|
131 183 | 149 212 | 118 174 | 171 248 | 118 159 | 149 212 | 99 124 | 124 174 |
|
Toisí
|
Méid Bloc "Y".
|
|||||
|
Le haghaidh Teilgin Níos Lú
ná 1⁄2 in. (13 mm)
|
Le haghaidh Réitigh Tiús 1⁄2 in.
(13 mm) go dtí 1 1⁄2 in. (38 mm)
|
Le haghaidh Réitigh Tiús de
1 1⁄2 in. (38 mm) agus os a chionn
|
||||
|
isteach.
|
mm |
isteach.
|
mm |
isteach.
|
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 |
|
thart
|
thart
|
thart
|
thart
|
thart
|
thart
|
|
NOTE1-1⁄16 in.=1.6 mm; 1⁄8 in.=3.2 mm.
