Ostemperlangan egiluvchan temir
sharsimon grafit bilan
|
ga muvofiq belgilash |
EN-GJS-800-10 |
EN-GJS-1050-6 |
EN-GJS-1200-3 |
||
|
Malumot tahlili |
C |
3.50 – 3.70 |
3.50 – 3.70 |
3.50 – 3.70 |
|
|
o'rtacha devor qalinligi uchun |
Si |
2.30 – 2.60 |
2.30 – 2.60 |
2.30 – 2.60 |
|
|
Mn |
maks. 0.40 |
maks. 0.40 |
maks. 0.40 |
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|
Mo |
- |
- |
- |
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|
Ni |
maks. 1.0 |
maks. 1.0 |
maks. 1.0 |
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|
Mustahkamlik chegarasi |
Rm |
MPa |
800 |
1050 |
1200 |
|
0.2 oqish kuchi |
Rp0.2 |
MPa |
500 |
700 |
850 |
|
Singandagi cho'zilish |
A5 |
% |
10 |
6 |
3 |
|
Elastik modul |
E |
Gpa |
170 |
168 |
167 |
|
Tishli novda zarbasi ishi2) |
+23 daraja (RT) |
Joul |
10 |
- |
- |
|
Brinell qattiqligi |
BHN |
250 – 310 |
320 – 380 |
340 – 420 |
|
|
Charchoq chegarasi 3) |
MPa |
375 |
430 |
450 |
|
|
Charchoq chegarasi 4) |
MPa |
225 |
265 |
280 |
|
|
Texnologik xususiyatlar |
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|
Foydalanish harorati |
daraja |
< 200 |
< 200 |
< 200 |
|
|
Ishlov berish qobiliyati |
O'rtacha |
O'rtacha |
Qiyin |
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|
Aşınmaya qarshilik |
Ajoyib |
Ajoyib |
Ajoyib |
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|
Induksion yoki otashda qotib qolish qobiliyati |
Qattiqlashtirilgan yoki payvandlash mumkin emas |
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|
Nitridlash qobiliyati |
Qattiqlashtirilgan yoki payvandlash mumkin emas |
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|
Payvandlash qobiliyati |
Qattiqlashtirilgan yoki payvandlash mumkin emas |
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|
Jismoniy xususiyatlar |
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|
Zichlik |
ρ |
kg/dm3 |
7.1 |
7.1 |
7.0 |
|
Issiqlik o'tkazuvchanligi |
λ |
W/(K*m) |
20 – 23 |
20 – 23 |
20 – 23 |
|
Termal kengayish koeffitsienti |
200 darajagacha |
10-6/K |
14 – 18 |
14 – 18 |
14 – 18 |
|
Ro'yxatda ko'rsatilmagan maxsus materiallar yoki navlar so'rov bo'yicha mavjud |