Gnee steel inokwanisa kupa marudzi ese esimbi yeplate yesimbi inogadzirwa neEn10025-2 standard, iyo inonyanya kusanganisira magiredhi mana makuru: S235, S275, S355 neS450, kunewo mamwe magiredhi esimbi akasiyana ezvivakwa zvakasiyana.
Zvakangofanana neyakajairwa simbi yesimbi, ndiro yesimbi uye mapaipi pasi peiyi chiyero zvinoratidzwa nezvakanaka weldability, kuumbwa, kupisa kuumbwa, kutonhora kuumbwa, flangeability, roll kuumba, uye yakakodzera kupisa dip zinc coating.
Chiyero: En10025-2 muyero wekuEurope uyo unodonongodza mamiriro ehunyanzvi ekuunza zvigadzirwa zveflat uye refu (zvinosanganisira ndiro yesimbi nemapombi esimbi), uye zvigadzirwa zvakapera zvinogadzirwa kuti zvifambiswe mberi nekugadziridzwa kwemasimbi anopisa akakungurutswa asiri alloy munhevedzano ye mamakisi uye hunhu.
Chishandiso: Simbi Maumbirwo: zvikamu zvebhiriji, zvimiro zvekunze kwemahombekombe, Zvigadzirwa zveSimba Migodhi nemidziyo inofamba-famba yevhu
EN10025-2 Yakaenzana Chiyero :
Steel Standard | S235JR | S235J0 | S235J2 | S275JR | S275J0 | S275J2 | S355JR | S355J0 | S355J2 | S355K2 |
---|---|---|---|---|---|---|---|---|---|---|
Jerimani | RSt37-2 | St37-3U | - | St 44-2 | St44-3/3U | - | - | St52-3U | St52-3N | St52-3N |
Japani | SM400A SS400 |
SM400B | - | SS400 | - | - | SM490A SS490 |
SS490B | SS490YA | SS490YA |
China | Q235A Q235B Q235D |
Q235C | Q235D | Q275Z | Q275 | Q275 | Q345C | 16Mn | Q345D | Q345D |
USA | - | - | A36 | A529 | - | - | A572 | - | A656 | A656 |
EN10025-2 Chemical Maumbirwo:
EN 10025 | C(max) | Si max | Mn% max | P max | S% max | Cu% max | N% max | ||
---|---|---|---|---|---|---|---|---|---|
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 |