SE680 X8Ni9 Erw trubkasi
X8Ni9 erwl trubkasi past haroratlarda ham yuqori darajada mustahkamlikka ega. Shuning uchun quvur tank qurilishi va LNG (suyultirilgan gaz) tashish kabi foydalanish uchun javob beradi. Tabiiy gaz suyultirilganda uning hajmi 1/600 ga kamayadi, lekin buning uchun kamida -163 daraja C (-261 F daraja)gacha sovutish kerak. Buning uchun ishlatiladigan po'lat quvurlar ham o'ziga xos mexanik xususiyatlarni va juda past haroratlarda yaxshi pishiqlikni ko'rsatishi kerak.
Kimyoviy tarkibi
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Ni(% ef�% 85) | Mo(%) | V(%) |
|---|---|---|---|---|---|---|---|
| 0.10 | 0. 35 | 0. 30-0. 80 | 0.02 | 0.01 | 8.50-10.0 | 0.10 | <0.05 |
Mexanik xususiyatlar
| Isbot kuchi Rp0.2(MPa) |
Mustahkamlik chegarasi Rm(MPa) |
Ta'sir energiyasi KV(J) |
Singandagi cho'zilish A(%) |
Singanda kesmaning qisqarishi Z(%) |
Issiqlik bilan ishlov berilgan holat | Brinell qattiqligi (HBW) |
|---|---|---|---|---|---|---|
| 478( dan katta yoki teng) | 448( dan katta yoki teng) | 11 | 22 | 11 | Yechim va qarish, tavlanish, ausaging, Q + T va boshqalar | 221 |
| Mulk | Harorat | Qiymat |
|---|---|---|
|
Elastik modul |
{0}},0 daraja |
205,5 GPa |
|
{0}},0 daraja |
205,2 GPa |
|
|
{0}},0 daraja |
203,4 GPa |
|
|
{0}},0 daraja |
% 7b% 7b0}}.4 GPa |
|
|
{0}},0 daraja |
198,9 GPa |
|
|
20,0 daraja |
195 GPa |
|
|
27.0 daraja |
195,1 GPa |
|
|
100,0 daraja |
190 GPa |
|
|
200,0 daraja |
184 GPa |
|
|
300,0 daraja |
178 GPa |
|
|
400,0 daraja |
170 GPa |
Jismoniy xususiyatlar
| Mulk | Zichlik kg/dm3 |
Harorat T daraja / F |
Maxsus issiqlik J/kgK |
Issiqlik o'tkazuvchanligi Vt/mK |
Elektr qarshiligi mk·sm |
Elastiklik moduli kN/mm2 |
|---|---|---|---|---|---|---|
| 897( dan katta yoki teng) | 625( dan katta yoki teng) | 32 | 22 | 11 | Yechim va qarish, tavlanish, ausaging, Q + T va boshqalar | 122 |
| Temp. daraja / daraja F |
Suzish kuchlanish chegarasi (10000h) (Rp1,0)N/mm2 |
O'rmalanishning yorilishi kuchi (10000h) (Rp1,0)N/mm2 |
||||
| 595 | 944 | 468 |
Mahsulot turi
| Mahsulot turi | Mahsulotlar | Hajmi | Jarayonlar | Etkazib berish holati |
|---|---|---|---|---|
| Plitalar / choyshablar | Plitalar / choyshablar | % 7b% 7b0}}.{{1}mm(T)*W*L | Soxtalash, issiq haddeleme va sovuq haddeleme | Tavlangan, eritma va qarish, Q+T, kislota bilan yuvilgan, portlatish |
| Chelik bar | Dumaloq bar, tekis bar, kvadrat bar | P8-1200mm*L | Soxtalash, issiq haddeleme va sovuq prokat, quyma | Qora, qo'pol burilish, portlatish, |
| Bobin/tasma | Po'lat rulo/po'lat chiziq | {0}}.03-16.0x1200mm | Sovuq va issiq haddelenmiş | Tavlangan, eritma va qarish, Q+T, kislota bilan yuvilgan, portlatish |
| Quvurlar / quvurlar | Choksiz quvurlar / quvurlar, payvandlangan quvurlar / quvurlar | OD:{0}}mm x VT:0.5-20.0mm | Issiq ekstruziya, sovuq chizilgan, payvandlangan | Tavlangan, eritma va qarish, Q + T, kislotali yuvilgan |
SE680 X8Ni9 ERW trubkasi

Issiq teglar: se680 x8ni9 erw tube, Xitoy se680 x8ni9 erw tube ishlab chiqaruvchilari, etkazib beruvchilari
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