S355 Qaab-dhismeedka Birta Birta

S355 Qaab-dhismeedka Birta Taarikada Sawirka

Sharaxaad Gaaban:

Magaca: S355 Qaab-dhismeedka Birta Birta

Birta darajada S355 waa xajin dhexdhexaad ah, birta manganese-ka carbon hooseeya kaas oo si sahal ah alxanka leh oo leh iska caabin wanaagsan oo saameyn leh (sidoo kale heerkulka eber hoose).

Heerka: EN 10025-2: 2004, ASTM A572, ASTM A709

Darajo: Q235B/Q345B/S235JR/S235/S355JR/S355/SS440/SM400A/SM400B

Dhumucda: 1-200mm

Ballaca: 1000-1500mmama sida loo baahdo

Dhererka: 1000-12000mmama sida loo baahdo

shahaado: SGS, ISO, MTC, COO, iwm

Waqtiga keenista:3-14 Maalmood

Shuruudaha Lacag-bixinta: L/C, T/T

Awooda Sahayda: 1000 TanBishii

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Faahfaahinta Alaabta

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Xog guud

TS EN 10025 S355 birta waa darajada qaab dhismeedka Yurub ee heerka caadiga ah, marka loo eego EN 10025-2: 2004, walxaha S355 waxaa loo qaybiyaa 4 darajooyin tayo sare leh:
● S355JR (1.0045)
● S355J0 (1.0553)
● S355J2 (1.0577)
● S355K2 (1.0596)
Astaamaha birta qaab dhismeedka S355 ayaa ka fiican birta S235 iyo S275 xagga xoogga dhalidda iyo xoogga xajinta.

Fasalka Birta S355 Macnaha (Qaabka)

Xarfaha iyo tirooyinka soo socdaa waxay sharxayaan macnaha S355 ee birta ah.
"S" waxay u soo gaaban tahay "birta dhismaha".
"355" waxaa loola jeedaa qiimaha ugu yar ee wax-soo-saarka dhumucdiisuna waxay tahay ≤ 16mm.
"JR" macneheedu waa saamaynta qiimaha tamarta waa ugu yaraan 27 J heerkulka qolka (20 ℃).
"J0" waxay u adkeysan kartaa saameynta tamarta ugu yaraan 27 J at 0 ℃.
"J2" ee la xidhiidha saamaynta ugu yar ee tamarta qiimaha waa 27 J at -20 ℃.
"K2" waxaa loola jeedaa saamaynta ugu yar ee tamarta qiimaha waa 40 J at -20 ℃.

Halabuurka kiimikada & hantida makaanikada

Halabuurka Kiimikada

			S355 Halabuurka Kiimikada % (≤)
Heerka	Birta	Darajo	C	Si	Mn	P	S	Cu	N	Habka deoxidation
EN 10025-2	S355	S355JR	0.24	0.55	1.60	0.035	0.035	0.55	0.012	Lama ogola birta la jeexjeexay
		S355J0 (S355JO)	0.20	0.55	1.60	0.030	0.030	0.55	0.012	Lama ogola birta la jeexjeexay
		S355J2	0.20	0.55	1.60	0.025	0.025	0.55	-	Si buuxda loo dilay
		S355K2	0.20	0.55	1.60	0.025	0.025	0.55	-	Si buuxda loo dilay

Guryaha Makaanikada
Xoogga Wax-soo-saarka

		S355 Xooga Soosaarka (≥ N/mm2); Dia. (d) mm
Birta	Heerka Birta (Lambarka Birta)	d≤16	16<d ≤40	40<d ≤63	63<d ≤80	80<d ≤100	100<d ≤150	150<d ≤200	200<d ≤250
S355	S355JR (1.0045)	355	345	335	325	315	295	285	275
	S355J0 (1.0553)
	S355J2 (1.0577)
	S355K2 (1.0596)

Xoogga Jilicsan

		S355 Xoog Jiidashada (≥ N/mm2)
Birta	Heerka Birta	d <3	3 ≤ d ≤ 100	100 <d ≤ 250
S355	S355JR	510-680	470-630	450-600
	S355J0 (S355JO)
	S355J2
	S355K2

Dheeraynta

		Kordhinta (≥%); Dhumucda (d) mm
Birta	Heerka Birta	3≤d≤40	40<d ≤63	63<d ≤100	100<d ≤ 150	150<d ≤ 250
S355	S355JR	22	21	20	18	17
	S355J0 (S355JO)
	S355J2
	S355K2	20	19	18	18	17