A709 Gr50S, A709Gr.50S, A709 Qib 50S, A709 Gr 50S, Qib A709Gr50S, A709 Qib 50S
Txais tus qauv: ASTM A709 / A709M-07
Gnee steel qib: A709 Gr.100 / 100W, A709 Qib 36, A709 Qib 50, A709 Qib 50S, A709 Qib 50W, A709 Qib HPS50W, A709 Qib HPS70W, A709Ade, A709 Qib 1.
A709 Qib 50S steel phaj
A709 Qib 50S steel qib yog lub zog siab qis alloy cov qauv carbon steel siv hauv kev tsim choj cov haujlwm.
Sib piv A709 Gr.100, thiab A709 Gr.50w qib, A709 Gr.50S muaj lub zog qis tshaj plaws hauv 345Mpa hauv ib txwm muaj. A 709 Gr.50S thov tua lossis ib nrab tua hauv kev tsim khoom.
Gnee steel muab A709 Gr.50S ntau xyoo nyob rau hauv Suav teb mainland choj tej yaam num. Peb kuj muaj ntau yam Tshuag loj hauv A709 Gr.50S rau kev xav tau ceev ceev rau peb cov neeg siv khoom. Tam sim no, peb tab tom nthuav peb cov lag luam txawv teb chaws hauv A709 Gr.50S steel daim hlau.
Yog xav paub ntxiv cov cuab yeej hauv A709 Gr.50S steel phaj, thov xyuas lawv hauv qab no;
A709 Qib 50S Tshuaj muaj pes tsawg leeg ntsuas kub
| Element | Tshuaj % |
| C, max | 0.23 |
| Mn | 0.50-1.60 A |
| Si, max | 0.40 |
| V, max | 0.15b ua |
| Nb, max | 0 ,05b |
| P, max | 0.035 |
| S, max | 0.045 |
| Cu, max | 0.60 |
| Nim xma | 0.45 |
| Cr, max | 0.35 |
| Mas, max | 0.15 |
| A709 qib | tuab mm |
Yield [MPa] |
Tensile [MPa] | Elongtation Min % | txo Min % |
HB | |||
| Hlau Phaj | Cov qauv hlau | ||||||||
| 8 hauv [200mm] | 2 hauv [50mm] | 8 hauv [200mm] | 2 hauv [50mm] | ||||||
| 36[250] | ≤100 | [250] min | 400-550 | 20 | 23 | 20 | 21 | … | … |
| [250] min | 400 min | … | … | 20 | 19 | … | … | ||
| 50[345] | ≤100 | 345 nqi | 450 min | 18 | 21 | 18 | 21 F | … | … |
| 50S [345S] | G | 345-450 Ib | 450 min H | … | … | 18 | 21 | … | … |
| 50W [345W] HPS 50W [HPS 345W] |
≤100 | 345 nqi | 485 nqi | 18 | 21 | 18 | 21 J | … | … |
| HPS70W [HPS485W] | ≤100 | 485 nqi | 585-760 | … | 19k ua | … | … | … | … |
| 100 [690], 100W [690W], HPS 100W [HPS690W] | ≤65 | 690m wb | 760-895 | … | 18k ib | … | … | L | 235-293 M |
| 100 [690], 100W [690W], | 65-100 | 620mn ib | 690-895 | … | 16 K | … | … | L | … |