Birta Gnee waxa ay awoodaa in ay bixiso dhamaan noocyada saxan birta qaab dhismeedka oo ay soo saarto heerka En10025-2, kaas oo inta badan ay ku jiraan 4 darajadood oo waaweyn: S235, S275, S355 iyo S450, waxa kale oo jira darajooyin bir gaar ah oo gaar ah oo leh sifooyin farsamo oo kala duwan.
Si la mid ah birta qaab dhismeedka guud, saxan birta iyo tuubooyinka hoos yimaada heerkan ayaa lagu muujiyey alxanka wanaagsan, qaabaynta, samaynta kulul, qaabaynta qabow, flangeability, samaynta duudduuban, oo ku habboon daahan zinc maquufin kulul.
Baaxadda: En10025-2 waa halbeegga Yurub kaas oo qeexaya shuruudaha gaarsiinta farsamada ee alaabta fidsan iyo kuwa dhaadheer (oo ay ku jiraan saxanadda birta iyo tuubooyinka birta), iyo alaabada dhammaatay kuwaas oo loo soo saaray si loo sii habeeyo birta tayada leh ee kulul ee duuban ee taxanaha ah darajooyinka iyo tayada.
Codsiga: Qaabdhismeedka Birta: Qaybaha buundada, qaab dhismeedka xeebaha, Dhirta Korontada Macdanta iyo qalabka dhulka guuraya Qalabka wax ka qabashada qaybaha taawarada, iwm.
EN10025-2 Heerka u dhigma:
Heerka Birta | S235JR | S235J0 | S235J2 | S275JR | S275J0 | S275J2 | S355JR | S355J0 | S355J2 | S355K2 |
---|---|---|---|---|---|---|---|---|---|---|
Jarmalka | Rst37-2 | St37-3U | - | St 44-2 | St44-3 /3U | - | - | St52-3U | St52-3N | St52-3N |
Japan | SM400A SS400 |
SM400B | - | SS400 | - | - | SM490A SS490 |
SS490B | SS490YA | SS490YA |
Shiinaha | Q235A Q235B Q235D |
Q235C | Q235D | Q275Z | Q275 | Q275 | Q345C | 16Mn | Q345D | Q345D |
USA | - | - | A36 | A529 | - | - | A572 | - | A656 | A656 |
EN10025-2 Hubabka Kiimikada:
EN 10025 | C (max) | Si max | Mn% ugu badnaan | P max | S% ugu badnaan | Cu% max | N% ugu badnaan | ||
---|---|---|---|---|---|---|---|---|---|
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 |