Mapepala a S355K2 Zitsulo
S355 a structural grade steel zokolola zochepa 355 N /mm zomwe zimagwiritsidwa ntchito mu ma injiniya ndi zomanga mafakitale S355 amapereka zokolola zambiri ndi zokolola zochuluka ndi zovuta ndi zosiyanasiyana ndi zovuta zokolola zitsulo zogwiritsidwa ntchito kwambiri mu ntchito zanu zosiyanasiyana.
EN 10025-2 S355K2 Chomera Chapamwamba Champhamvu Cholimba Chitsulo
S355K2+N ndi S355K2G3 ndi magiredi achitsulo momwemo momwe magiredi onse wotumizira makonzedwe amasinthidwa.
S chizindikiro cha Structural Steel
Mayeso a JR symbol 20 temperature
J0 syambol 0 temperature impact mayeso
J2 symbol -20 temperature impact test
K2 chizindikiro Charpy V-Notch Impact Yoyesedwa Longitudinal 40 Joules pa -20 ˚C max 100mm kukhuthala.
Chithunzi cha S355K2
S355K2 ndi chitsulo chochepa carbon, champhamvu champhamvu cholimba cholimba chomwe chikhoza kumangirizidwa ku chitsulo china chowotcherera .
Ndi zofanana zake zochepa carbon , ili ali za zinthu zabwino zozizira zozizira. Mbale yopangidwa ndi njira zowonongeka zachitsulo ndipo zimaperekedwa mu njira zokhazikika kapena zodzigudubuza zokhazikika.
Ntchito ya S355K2
Mapangidwe mumagalimoto onyamula katundu, transmission towers, maloki otaya, cranes, trailers, bull dozers, excavator, machinery machines, railway wagons, dolphin, penstocks, pipes, highway ldingoldings , highway ldingo powers , mabwalo , mabwalo , mabwalo, mabwalo, makina, zida mafuta palm ndi makina, mafani, mapampu, zonyamulira ndi zida zotengera madoko.
Dimension tingathe kupereka:
Makulidwe 8mm-300mm, Utali: 1500-4020mm, Utali: 3000-27000mm
S355K2+N Zobweretsera: Kutentha kugudubuzika, CR, Kukhazikika, Kuzimitsidwa, Kutentha, Q+T, N+T, TMCP, Z15, Z25, Z35
S355K2+N Chemical Composition(max %):
|
C |
Si |
Mn |
Ndi |
P |
S |
Ku |
|
kukula 0.24 |
0.60 |
1.70 |
Zokwanira 0.035 |
Zokwanira 0.035 |
0.6 |
S355K2+N Makanika Katundu:
|
Gulu |
Kukula (mm) |
Min Yield (Mpa) |
Tensile (Mpa) |
Elongation (%) |
Min Impact Energy |
|
|
Chithunzi cha S355K2+N |
8mm - 100mm |
315-355 Mpa |
450-630 Mpa |
18-20% |
-20 |
40j |
|
101mm - 200mm |
285-295 Mpa |
450-600 Mpa |
18% |
-20 |
33j |
|
|
201mm - 400mm |
275 Mpa |
450-600 Mpa |
17% |
-20 |
33j |
|
|
Mphamvu ya min impact ndi mphamvu yotalika |
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