A709Gr50S, A709Gr.50S, A709 Grád 50S, A709 Gr 50S, Grád A709Gr50S,A709 Grád 50S
Glacadh le caighdeán: ASTM A709 /A709M-07
Grád cruach géine: A709 Gr.100 /100W, A709 Grád 36, A709 Grád 50, A709 Grád 50S, A709 Grád 50W, A709 Grád HPS50W, A709 Grád HPS70W, A709 Grád 100,A709 Grád 100,A709W.
Pláta cruach A709 Grád 50S
Is cruach carbóin struchtúrach cóimhiotail íseal ard-neart é grád cruach A709 Grád 50S a úsáidtear i dtionscadail droichead tógála.
Déan comparáid idir A709 Gr.100, agus grád A709 Gr.50w, tá neart toraidh is ísle ag A709 Gr.50S i 345Mpa mar is gnách. A 709 iarratas Gr.50S maraíodh nó leath-maraíodh i monarú.
Soláthar cruach Gnee A709 Gr.50S blianta fada i dtionscadail droichead an tSín . Tá go leor méideanna stoic againn freisin in A709 Gr.50S le haghaidh riachtanas práinneach dár gcustaiméirí. Anois, táimid ag méadú ár margadh cruach oversea i plátaí cruach A709 Gr.50S.
Le haghaidh níos mó maoine i pláta cruach A709 Gr.50S, seiceáil le do thoil iad seo a leanas;
A709 Grád 50S Comhdhéanamh ceimiceach Anailís teasa
| Eilimint | Ceimiceach % |
| C, uas | 0.23 |
| Mn | 0.50-1.60A |
| Si, max | 0.40 |
| V, uas | 0. 15B |
| Nb, uas | 0. 05B |
| P, uas | 0.035 |
| S, uas | 0.045 |
| Cu, uas | 0.60 |
| Níl xma | 0.45 |
| Cr, uas | 0.35 |
| Mo, max | 0.15 |
| Grád A709 | Tiubh mm |
Toradh [MPa] |
Teanntachta [MPa] | Fadú Íosta % | laghdú Min % |
HB | |||
| Pláta Cruach | Cruach struchtúrach | ||||||||
| 8in[200mm] | 2 in[50mm] | 8in[200mm] | 2 in[50mm] | ||||||
| 36[250] | ≤100 | [250]nóiméad | 400-550 | 20 | 23 | 20 | 21 | … | … |
| [250]nóiméad | 400 nóiméad | … | … | 20 | 19 | … | … | ||
| 50[345] | ≤100 | 345 nóiméad | 450 nóiméad | 18 | 21 | 18 | 21F | … | … |
| 50S[345S] | G | 345-450HI | 450 nóiméadH | … | … | 18 | 21 | … | … |
| 50W[345W] HPS50W[HPS345W] |
≤100 | 345 nóiméad | 485 nóiméad | 18 | 21 | 18 | 21J | … | … |
| HPS70W[HPS485W] | ≤100 | 485 nóiméad | 585-760 | … | 19K | … | … | … | … |
| 100 [690], 100W [690W], HPS100W [HPS690W] | ≤65 | 690 nóiméadB | 760-895 | … | 18K | … | … | L | 235-293M |
| 100[690], 100W [690W], | 65-100 | 620 nóiméadB | 690-895 | … | 16K | … | … | L | … |