ASTM A 131 FH36 po'lat plitalari, FH36 po'latlari kemasozlik va platformalar uchun ishlatiladigan po'latdir. FH36 kema qurish po'lat plitasi yuqori kuchlanishga chidamli po'latdir. 10,000 tonnagacha.
FH36 kema qurish po'lat plitalari Kimyoviy tarkibi %:
Baho |
C maks |
Si maks |
Mn |
P maks |
S maks |
Als min |
Ti maks |
Cu maks |
Cr |
Ni |
Mo |
Nb |
V |
N maks |
|
FH36 |
0.16 |
0.50 |
0.90-1.60 |
0.025 |
0.025 |
0.015 |
0.02 |
0.35 |
0.20 |
0.80 |
0.08 |
0.02-0.05 |
0.05-0.10 |
0.009 |
Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.38% (thickness ≤ 50mm),≤0.40%( when the thickness >50-100). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
Kema qurish uchun FH36 po'lat plitalari Mexanik xususiyat:
Baho |
Rm |
Re(MPa) min |
A% min |
Akv/J min |
||||||
|
FH36 |
490-630 |
355 |
21 |
ET darajasi |
Qalinligi (mm) |
|||||
|
-60 |
dan kichik yoki teng 50 |
>50-70 |
>70-100 |
|||||||
|
L |
C |
L |
C |
L |
C |
|||||
|
34 |
24 |
- |
- |
- |
- |
|||||
Eslatma: Ro'yxatda Rm:.valentlik kuchi,Re: Chiqish kuchi,A%: cho'zilish, ET: tajriba harorati,L: uzunlik bo'ylab, C: ko'ndalang.
