Fasalka S420NL saxan bir ah

S420NL saxan bir ah
Qaado heerka: EN10025-3
Iidii darajada birta: S275N, S355N, S420N, S460N, S275NL, S355NL, S420NL, S460NL saxan bir ah
S420NL saxan bir ah
S420NL steel 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, S420NL darajada birta ayaa leh wax soo saar badan iyo xoog xajin. Heerka siman ee S420NL waa S420ML.
Birta Gnee waxay khibrad badan u leedahay soo saarista S420NL. 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.

Ku saabsan S420NL 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 %
S420NL	0.200	0.600	1.0-1.7	0.025	0.030	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:

Darajo	Dhumucda (mm)	Wax-soosaarka Min (Mpa)	Xoojinta(MPa)	Dheeraynta(%)	Tamarta Saamaynta ugu yar
S420NL	8mm-100mm	360 Map-420Mpa	520-680Mpa	19%	-50	27J
	101mm-200mm	330Mpa-360Mpa	500-650Mpa	18%	-50	27J
	201mm-250mm	320Mpa-330Mpa	500-650Mpa	18%	-50	27J
Tamarta saamaynta minku waa tamar dheer

Macluumaad dheeri ah oo ku saabsan shahaadada tayada S420NL ama weydiinta oraahda rasmiga ah ee tartanka, fadlan nagala soo xiriir email ahaan.