Kimyoviy talablar
|
Element
|
Tarkibi,%
|
|||||||
|
1-tur
|
1B-tur
|
2-tur
|
2B-type
|
3-tur
|
4-tur
|
5-tur
|
6-toifa
|
|
|
Uglerod, jami, max
|
3.00 | 3.00 | 3.00 | 2.60 | 2.60 | 2.40 | 2.40 | 3.00 |
|
Kremniy
|
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 |
|
Marganets
|
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 |
|
Nikel
|
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 |
|
Mis
|
5.50-7.50 | 5.50-7.50 | 0.50MAX | 0.50MAX | 0.50MAX | 0.50MAX | 0.50MAX | 3.50-5.50 |
|
Xrom
|
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 |
|
Oltingugurt, max, maksimal
|
0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 |
|
Molibdd, max
|
... | ... | ... | ... | ... | ... | ... | 1.00 |
AQayerda ishlov berish talab qilinadi, 3,00-4.00% xrom oralig'i tavsiya etiladi.
Mexanik talablar
|
1-tur
|
1B-tur
|
2-tur
|
2B-type
|
3-tur
|
4-tur
|
5-tur
|
6-toifa
|
|
|
TENTILTIY kuch, min, KSI (MPA)
|
25(172) | 30(207) | 25(172) | 30(207) | 25(172) | 25(172) | 20(138) | 25(172) |
|
Brinell qattiqlik (3000 kg)
|
131 183 | 149 212 | 118 174 | 171 248 | 118 159 | 149 212 | 99 124 | 124 174 |
|
O'lchamlari
|
"Y" blok hajmi
|
|||||
|
Qalinligi kamroq
1/2 dan ko'ra. (13 mm)
|
1/2 qalinlikdagi kastalar uchun.
(13 mm) dan 1 1} (38 mm)
|
Qalinligi uchun
1 1 /2 ichida. (38 mm) va undan keyin
|
||||
|
ichida.
|
mm |
ichida.
|
mm |
ichida.
|
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 |
|
taxminan
|
taxminan
|
taxminan
|
taxminan
|
taxminan
|
taxminan
|
|
200 Eslatma1-1/16 .=1.6 mmda; 1/8 .=3.2 mm.
