Is cineál cruach struchtúrach cóimhiotail íseal ard-neart é pláta cruach A588 grád K le íosmhéid 345 Mpa. Nuair a nochtar i gceart don atmaisféar, tá A588 Grád K oiriúnach do go leor iarratas sa riocht lom.
Sonraíocht pláta cruach grád K A588:
Tiús: 6MM go 200
Leithead: 1500mm go 4050mm,
Fad: 3000mm go 15000mm
Comhdhéanamh Ceimiceach A588 Grád K
|
Comhdhéanamh Ceimiceach ASTM A588 |
|||||||
|
Grád |
An Eilimint Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Ni |
Nb |
|
|
A588 Grád K |
0.17 |
0.25-0.50 |
0.50-1.20 |
0.04 |
0.05 |
0.40 |
0.005-0.05 |
|
Cu |
Cr |
Mo |
V |
|
|
|
|
|
0.30-0.50 |
0.40-0.70 |
0.10 |
… |
|
|
|
|
Coibhéis Charbóin: Ceq=【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
Airíonna meicniúla A588 Grád K
|
Maoin Mheicniúil pláta cruach A588 Grád K |
A588 Grád K |
|
Neart teanntachta, kis [MPa] |
Neart teanntachta, kis [MPa] |
|
100mm nó níos lú |
[485] |
|
100mm-125mm |
[460] |
|
125mm-200mm |
[435] |
|
Neart toraidh, min, kis [MPa] |
Neart toraidh, min, kis [MPa] |
|
100mm nó níos lú |
[345] |
|
100mm-125mm |
[315] |
|
125mm-200mm |
[290] |
|
Fadú i faoi. [50 mm], nóim, % |
21 |
|
Fadú i faoi. [50 mm-200mm], nóim, % |
18 |
