E24W4 darajada birta waa badeecooyin kulul oo duuban oo ah birta qaab dhismeedka xaaladaha gaarsiinta farsamada oo leh iska caabbinta daxalka atmospheric.
Birta E24W4 waa darajooyin u dhigma sida S235J2W (1.8961) birta EN 10025-5: 2004 heerka iyo WTSt 37-3 birta SEW087 iyo sidoo kale Fe360DK1 birta UNI standard
Tilmaamaha:
Dhumucda: 3mm--150mm
Ballaca: 30mm--4000mm
Dhererka: 1000mm--12000mm
Heerka: ASTM EN10025 JIS GB
E24W4 Birta Kiimikada Halabuurka
C % | Mn % | Cr % | Si% | CEV % | S% |
ugu badnaan 0.13 | 0.2-0.6 | 0.4-0.8 | ugu badnaan 0.4 | ugu badnaan 0.44 | ugu badnaan 0.3 |
Cu % | P% | ||||
0.25-0.55 | ugu badnaan 0.035 |
E24W4 Guryaha Makaanikada Birta
Darajo | Min. Awood-soo-saarka Mpa | Xoojinta Xoojinta MPa | Saamaynta | ||||||||
E24W4 | Dhumucda magaca (mm) | Dhumucda magaca (mm) | shahaado | J | |||||||
Dhumucda mm | ≤16 | >16 ≤40 |
>40 ≤63 |
>63 ≤80 |
>80 ≤100 |
>100 ≤150 |
≤3 | >3 ≤100 | >100 ≤150 | -20 | 27 |
E24W4 | 235 | 225 | 215 | 215 | 215 | 195 | 360-510 | 360-510 | 350-500 |
Qiimayaasha tijaabada xajiska ee shaxda lagu sheegay waxay khuseeyaan shaybaarada dhaadheer; Haddii ay dhacdo xariijimo iyo bir xaashi ah oo ballac ah ≥600 mm waxay codsanayaan muunado transverse.
Haddii qalabka farsamada E24W4 ay si weyn wax uga beddeleen qabowga culus, ama baabiinta cadaadiska cadaadiska ama mid caadi ah ayaa la isticmaali karaa. Caadiyan waa in sidoo kale la mariyaa ka dib qaabaynta kulaylka ka baxsan heerkulka heerkulka 750 - 1.050 °C iyo ka dib kulaylka.