ASTMA285 C toifali po'latdirpast yoki o'rta{0}}past valentlik kuchiga ega oddiy idish po'latdir. Yaxshi ASTM A285 C sinf xususiyatlariga ega, A285 C darajasipo'lat plitalarneft, kimyo sanoati va elektr stansiyalari uchun qozon va bosimli idishlar qurishda keng qo'llaniladi.
ASTM A285 C toifali po'latning kimyoviy xossasi
| Baho | Maksimal element (%) | ||||
| C | Si | Mn | P | S | |
| A285 C darajasi | 0.28 | 0.08-0.45 | 0.98 | 0.035 | 0.035 |
ASTM A285 C gradusli po'latdan mexanik xususiyat
| Baho | Qalinligi | Yo'l bering | Kuchlanish | Cho'zilish |
| A285 C darajasi | mm | Min Mpa | Mpa | Min % |
| 6-50 | 205 | 380-515 | 27% | |
| 50-200 | 205 | 380-515 | 23% |
A285 C sinfida maksimal fosfor miqdori qancha
A285 toifali C - bosimli idishlarda qo'llaniladigan uglerodli po'lat plastinka. Yaxshi payvandlanishi va past va oraliq kuchlanish kuchi tufayli odatda qozon va saqlash tanklarini qurishda qo'llaniladi.
Fosforning maksimal miqdori uchun belgilanganA285 C darajasiplastinka qalinligiga qarab o'zgaradi. ASTM A285 spetsifikatsiyasiga ko'ra, qalinligi 1 dyuymgacha bo'lgan plitalar uchun ruxsat etilgan maksimal fosfor miqdori 0,025% ni tashkil qiladi. Qalinligi 1 dyuymdan ortiq plitalar uchun ruxsat etilgan maksimal fosfor miqdori 0,030% ni tashkil qiladi.
Fosfor po'latdagi zararli aralashma bo'lib, mo'rtlikni keltirib chiqaradi, qattiqlikni kamaytiradi va ishlab chiqarish va xizmat ko'rsatish jarayonida yorilish xavfini oshiradi. Shuning uchun, uning mexanik xususiyatlari va ishlashini ta'minlash uchun po'latdagi fosfor tarkibini nazorat qilish muhimdir.
Shuni ta'kidlash kerakki, ASTM A285 spetsifikatsiyasi A285 toifali C plitalaridagi maksimal fosfor miqdori bo'yicha ko'rsatmalar bergan bo'lsa-da, haqiqiy fosfor darajalari ishlab chiqarish jarayoniga va po'latning o'ziga xos tarkibiga qarab farq qilishi mumkin. Kimyoviy tarkibi va xossalarini aniq aniqlash uchun foydalanilayotgan muayyan mahsulot uchun ishlab chiqaruvchining hujjatlariga murojaat qilish muhimdir.
Agar siz GNEE mahsulotlari haqida ko'proq bilmoqchi bo'lsangiz, elektron pochta manziliga xat yuborishingiz mumkinalloy@gneesteelgroup.com. Biz sizga yordam berishdan xursandmiz.


| GNEE tomonidan ta'minlangan bosimli idish plitalarining darajalari | |||||
| ASTM | ASTM A202/A202M | ASTM A202 A darajasi | ASTM A202 B darajasi | ||
| ASTM A203/A203M | ASTM A203 A darajasi | ASTM A203 B darajasi | ASTM A203 D darajasi | ASTM A203 E darajasi | |
| ASTM A203 F darajasi | |||||
| ASTM A204/A204M | ASTM A204 A darajasi | ASTM A204 B darajasi | ASTM A204 C darajasi | ||
| ASTM A285/A285M | ASTM A285 A darajasi | ASTM A285 B darajasi | ASTM A285 C darajasi | ||
| ASTM A299/A299M | ASTM A299 A darajasi | ASTM A299 B darajasi | |||
| ASTM A302/A302M | ASTM A302 A darajasi | ASTM A302 B darajasi | ASTM A302 C darajasi | ASTM A302 D darajasi | |
| ASTM A387/A387M | ASTM A387 5-sinf 1-sinf | ASTM A387 5-sinf 2-sinf | ASTM A387 11-sinf 1-sinf | ASTM A387 11-sinf 2-sinf | |
| ASTM A387 12-sinf 1-sinf | ASTM A387 12-sinf 2-sinf | ASTM A387 22-sinf 1-sinf | ASTM A387 22-sinf 2-sinf | ||
| ASTM A515/A515M | ASTM A515 60-sinf | ASTM A515 65-sinf | ASTM A515 70-sinf | ||
| ASTM A516/A516M | ASTM A516 55-sinf | ASTM A516 60-sinf | ASTM A516 65-sinf | ASTM A516 70-sinf | |
| ASTM A517/A517M | ASTM A517 A darajasi | ASTM A517 B darajasi | ASTM A517 E darajasi | ASTM A517 F darajasi | |
| ASTM A517 P darajasi | ASTM A517 J darajasi | ||||
| ASTM A533/A533M | ASTM A533 A sinfi 1 | ASTM A533 B sinfi 1 | ASTM A533 C sinfi 1 | ASTM A533 D sinfi 1 | |
| ASTM A533 A sinfi 2 | ASTM A533 B sinfi 2 | ASTM A533 C sinfi 2 | ASTM A533 D sinfi 2 | ||
| ASTM A533 A sinfi 3 | ASTM A533 B sinfi 3 | ASTM A533 C sinfi 3 | ASTM A533 D sinfi 3 | ||
| ASTM A537/A537M | ASTM A537 1-sinf | ASTM A537 2-sinf | ASTM A537 sinf 3 | ||
| ASTM A612/A612M | ASTM A612 | ||||
| ASTM A662/A662M | ASTM A662 A darajasi | ASTM A662 B darajasi | ASTM A662 C darajasi | ||
| UZ | EN10028-2 | EN10028-2 P235GH | EN10028-2 P265GH | EN10028-2 P295GH | EN10028-2 P355GH |
| UZ10028-2 16MO3 | |||||
| EN10028-3 | EN10028-3 P275N | EN10028-3 P275NH | EN10028-3 P275NL1 | EN10028-3 P275NL2 | |
| EN10028-3 P355N | EN10028-3 P355NH | EN10028-3 P355NL1 | EN10028-3 P355NL2 | ||
| EN10028-3 P460N | EN10028-3 P460NH | EN10028-3 P460NL1 | EN10028-3 P460NL2 | ||
| EN10028-5 | EN10028-5 P355M | EN10028-5 P355ML1 | EN10028-5 P355ML2 | EN10028-5 P420M | |
| EN10028-5 P420ML1 | EN10028-5 P420ML2 | EN10028-5 P460M | EN10028-5 P460ML1 | ||
| EN10028-5 P460ML2 | |||||
| EN10028-6 | EN10028-6 P355Q | EN10028-6 P460Q | EN10028-6 P500Q | EN10028-6 P690Q | |
| EN10028-6 P355QH | EN10028-6 P460QH | EN10028-6 P500QH | EN10028-6 P690QH | ||
| EN10028-6 P355QL1 | EN10028-6 P460QL1 | EN10028-6 P500QL1 | EN10028-6 P690QL1 | ||
| EN10028-6 P355QL2 | EN10028-6 P460QL2 | EN10028-6 P500QL2 | EN10028-6 P690QL2 | ||
| JIS | JIS G3115 | JIS G3115 SPV235 | JIS G3115 SPV315 | JIS G3115 SPV355 | JIS G3115 SPV410 |
| JIS G3115 SPV450 | JIS G3115 SPV490 | ||||
| JIS G3103 | JIS G3103 SB410 | JIS G3103 SB450 | JIS G3103 SB480 | JIS G3103 SB450M | |
| JIS G3103 SB480M | |||||
| GB | GB713 | GB713 Q245R | GB713 Q345R | GB713 Q370R | GB713 12Cr1MoVR |
| GB713 12Cr2Mo1R | GB713 13MnNiMoR | GB713 14Cr1MoR | GB713 15CrMoR | ||
| GB713 18MnMoNbR | |||||
| GB3531 | GB3531 09MnNiDR | GB3531 15MnNiDR | GB3531 16MnDR | ||
| DIN | DIN 17155 | DIN 17155 HI | DIN 17155 HII | DIN 17155 10CrMo910 | DIN 17155 13CrMo44 |
| DIN 17155 15Mo3 | DIN 17155 17Mn4 | DIN 17155 19Mn6 | |||







