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saxan bir heerka S420N
saxan bir heerka S420N
saxan bir heerka S420N
saxan bir heerka S420N

EN10025-3 S420N saxan bir ah

S420N saxan bir ah // xaashida, sida hoos timaada heerka EN, waxaa inta badan loo isticmaalaa qaybaha alxanka ah in ay qaadaan heerarka sare ee cadaadiska, S420N taarikada birta waa cabbirka weyn ee taarikada birta leh xoog sare iyo qaab-dhismeedka alloy hoose. Alaabtani waxa ay leedahay cudud adkaysi sare leh iyo xoog wax-soosaar sare.
Macluumaadka alaabta
S420N saxan bir ah
Qaado heerka: EN10025-3

Iibiya darajada birta: S275N, S355N, S420N, S460N, S275NL, S355NL, S420NL, S460NL saxan bir ah

S420N saxan bir ah

S420N birta waa darajada qaab dhismeedka alxanka wanaagsan. Shuruudaha guud ee alxanka birta ee la cayimay waa in lagu qeexaa EN 1011-2.
Is barbar dhig S355N, S420N darajada birta ayaa leh wax soo saar badan iyo xoog xajin. Heerka siman ee S420N waa S420M.

Birta Gnee waxay khibrad badan u leedahay soo saarista S420N. Waxaan la kaashanay wuyang warshada HBIS si aan u soo saarno dhumucda ugu badan 300mm ee farsamada dib-u-dhalinta elektroslag. Faa'iidadayadu waa in aan ku siin karno alaabta wakhtiga ugu dhakhsaha badan, xitaa hal saxan oo qeexid caadi ah.
Halabuurka kiimikada & hantida makaanikada
Ku saabsan S420N macluumaadka tafatirka birta, fadlan tixraac taariikhda farsamada ee soo socota.

Kiimikada ayaa ah halabuurka ugu badan ee falanqaynta alaabta:
Darajo C % Si% Mn % P% S% V % AL % Cr %
S420N 0.200 0.600 1.0-1.7 0.030 0.025 0.020 0.020 0.300
Cu % Mo % Nb % Ni % Ti % N %
0.550 0.100 0.050 0.800 0.050 0.025

Qalabka farsamada ee saxanka birta
Darajo Dhumucda (mm) Wax-soosaarka Min (Mpa) Xoojinta(MPa) Dheeraynta(%) Tamarta Saamaynta ugu yar
S420N 8mm-100mm 360 Map-420Mpa 520-680Mpa 19% -20 40J
101mm-200mm 330Mpa-360Mpa 500-650Mpa 18% -20 40J
201mm-250mm 320Mpa-330Mpa 500-650Mpa 18% -20 40J
Tamarta saamaynta minku waa tamar dheer

Macluumaad dheeri ah oo ku saabsan shahaadada tayada S420N ama weydiinta oraahda rasmiga ah ee tartanka, fadlan nagala soo xiriir email ahaan.
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