Gnee po'lati En10025-2 standarti bo'yicha ishlab chiqarilgan barcha turdagi konstruktiv po'lat plitalarni yetkazib bera oladi, bu asosan 4 ta asosiy navni o'z ichiga oladi: S235, S275, S355 va S450, shuningdek, turli mexanik xususiyatlar uchun maxsus po'lat navlari ham mavjud.
Umumiy konstruktiv po'lat kabi, po'lat plitalar va quvurlar ushbu standart bo'yicha yaxshi payvandlanish, shakllanuvchanlik, issiq shakllanish, sovuq shakllanish, gardish, rulon shakllantirish va issiq sink bilan qoplash uchun mos keladi.
Qo'llash sohasi: En10025-2 Yevropa standarti bo'lib, u tekis va uzun mahsulotlarni (shu jumladan po'lat plitalar va po'lat quvurlarni) va issiq prokatlangan qotishmagan sifatli po'latlarni keyingi qayta ishlash uchun ishlab chiqariladigan yarim tayyor mahsulotlarni texnik yetkazib berish shartlarini belgilaydi. darajalar va sifatlar.
Ilova: Po‘lat konstruksiya: ko‘prik komponentlari, dengiz konstruksiyalari, Elektr stansiyalari Tog‘-kon va yer ko‘chirish uskunalari Yuk ko‘tarish uskunalari Shamol minorasi komponentlari va boshqalar.
EN10025-2 ekvivalent standarti:
Chelik standarti | S235JR | S235J0 | S235J2 | S275JR | S275J0 | S275J2 | S355JR | S355J0 | S355J2 | S355K2 |
---|---|---|---|---|---|---|---|---|---|---|
Germaniya | RSt37-2 | St37-3U | - | St 44-2 | St44-3/3U | - | - | St52-3U | St52-3N | St52-3N |
Yaponiya | SM400A SS400 |
SM400B | - | SS400 | - | - | SM490A SS490 |
SS490B | SS490YA | SS490YA |
Xitoy | Q235A Q235B Q235D |
Q235C | Q235D | Q275Z | Q275 | Q275 | Q345C | 16Mn | Q345D | Q345D |
AQSH | - | - | A36 | A529 | - | - | A572 | - | A656 | A656 |
EN10025-2 Kimyoviy tarkibi:
EN 10025 | C(maksimal) | Si maks | Mn% maks | P maks | S% maksimal | Cu% maks | N% maks | ||
---|---|---|---|---|---|---|---|---|---|
t≤16 | 16 | t>40 | |||||||
S235JR | 0.17 | 0.17 | 0.20 | - | 1.40 | 0.035 | 0.035 | 0.55 | 0.012 |
S235J0 | 0.17 | 0.17 | 0.17 | - | 1.40 | 0.030 | 0.030 | 0.55 | 0.012 |
S235J2 | 0.17 | 0.17 | 0.17 | - | 1.40 | 0.025 | 0.025 | 0.55 | - |
S275JR | 0.21 | 0.21 | 0.22 | - | 1.50 | 0.035 | 0.035 | 0.55 | 0.012 |
S275J0 | 0.18 | 0.18 | 0.18 | - | 1.50 | 0.030 | 0.030 | 0.55 | 0.012 |
S275J2 | 0.18 | 0.18 | 0.18 | - | 1.50 | 0.025 | 0.025 | 0.55 | - |
S355JR | 0.24 | 0.24 | 0.24 | 0.55 | 1.60 | 0.035 | 0.035 | 0.55 | 0.012 |
S355J0 | 0.20 | 0.20 | 0.22 | 0.55 | 1.60 | 0.030 | 0.030 | 0.55 | 0.012 |
S355J2 | 0.20 | 0.20 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | 0.55 | - |
S355K2 | 0.20 | 0.20 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | 0.55 | - |
S450J0l | 0.20 | 0.20 | 0.22 | 0.55 | 1.70 | 0.030 | 0.030 | 0.55 | 0.025 |