ASTM A302 GR.B Mn-Mo Alloy Pressure Vessel Plate

ASTM A302 qeexitaanka heerka caadiga ah ee taarikada weelka cadaadiska ee birta alloy, manganese molybdenum iyo manganese-molybdenum-nickel.
ASTM A302 waa nooc ka mid ah qeexida birta daawaha hoose ee daboosha 4 darajooyin kala duwan (A, B, C, D), Fasalka C iyo D ka kooban yahay kiimikaad Ni, oo leh dhumuc isku mid ah, dhalidda iyo xoogga xajinta ee darajada C waa isku mid B, halka heerka kordhinta darajada C uu sareeyo.
A302 saxan bir ah oo darajada B ah waa in sida caadiga ah lagu bixiyaa xaalad duuban. Taarikada waxaa laga yaabaa in lagu dalbado in la caadiyeeyo ama laga khafiifiyo walbahaarka, ama labadaba. Haddii A 302 Fasalka B ee ka sarreeya 50mm dhumucdiisuna waa in la caadiyeeyaa.
Farsamada Dheeraadka ah:   Imtixaanka HIC | NACE MR0175 | Z15 | Z25 | Z35 |

Dhumucda: 6MM ilaa 300MM,
Ballaca: 1500mm ilaa 4050mm,
Dhererka: 3000mm ilaa 15000mm

A302 Darajada B Halabuurka Kiimikada
Kaarboon, max	%	Manganese, max	%	Silikoon, max	%	Sulfur max	%
25mm ama ka yar	0.2	Falanqaynta Kulaylka	1.15-1.50	Falanqaynta Kulaylka	0.15-0.40	Dhammaan qaro weyn	0.035
25-50mm	0.23	Falanqaynta alaabta	1.07-1.62	Falanqaynta alaabta	0.13-0.45
in ka badan 50mm	0.25
		Molybdenum max	%	ugu badnaan Nickel	%	Fosfooraska	%
		Falanqaynta Kulaylka	0.45-0.60	Falanqaynta Kulaylka	…	Dhammaan qaro weyn	0.035
		Falanqaynta alaabta	0.41-0.64	Falanqaynta alaabta	…

Hantida makaanikada ee A302 Fasalka B saxan bir ah	A302 Fasalka B
Xoog xajin, dhunkasho [MPa]	80-100 [550-690]
Xoog soo saar, min, dhunkasho [MPa]	50 [345]
Kordhinta 8 inji. [200 mm], daq, %	15
Kordhinta 2 inji. [50 mm], daq, %	18