Gnee steel e khona ho fana ka mefuta eohle ea litšepe tsa tšepe tse hlahisoang ke En10025-2 standard, e kenyeletsang limaraka tse 4 tse kholo: S235, S275, S355 le S450, hape ho na le limaraka tse khethehileng tsa tšepe bakeng sa lisebelisoa tse fapaneng tsa mochini.
Joalo ka tšepe e tloaelehileng ea meralo, poleiti ea tšepe le liphaephe tse tlas'a maemo ana li hlahisoa ka weldability e ntle, sebopeho, sebopeho se chesang, sebopeho se batang, flangeability, ho etsa moqolo, 'me se loketse ho roala zinki tse chesang.
Scope: En10025-2 ke maemo a Yuropa a hlalosang maemo a tekheniki a thomello bakeng sa dihlahiswa tse bataletseng le tse telele (ho kenyeletswa le poleiti ya tshipi le dipeipi tsa tšepe), le dihlahiswa tse seng di fedile tse etsetswang tshebediso e eketsehileng ya ditshipi tsa boleng bo tjhesang tse sa kang tsa alloy limaraka le litšoaneleho.
Kopo: Sebopeho sa Litšepe: Likarolo tsa borokho, meaho e lebopong la leoatle, Mehaho ea Motlakase Meepo le lisebelisoa tse tsamaisang lefatše Thepa e sebetsanang le meroalo Likarolo tsa Wind tower, joalo-joalo.
EN10025-2 Tekanyetso e Tšoanang :
Tekanyetso ea tšepe | S235JR | S235J0 | S235J2 | S275JR | S275J0 | S275J2 | S355JR | S355J0 | S355J2 | S355K2 |
---|---|---|---|---|---|---|---|---|---|---|
Jeremane | RSt37-2 | St37-3U | - | St 44-2 | St44-3/3U | - | - | St52-3U | St52-3N | St52-3N |
Japane | 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 Sebopeho sa Lik'hemik'hale:
EN 10025 | C(max) | Si max | Mn% max | P max | S% boholo | Ke% max | N% boholo | ||
---|---|---|---|---|---|---|---|---|---|
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 |