A302 GR.D Boiler le Plate ea tšepe ea Pressure Vessel

Boiler steel plate A302 Grade D ke mofuta wa tshepe ya alloy e nang le Manganese,Molybdenum le nickel.A302 Kereiti ya D e na le elemente e hodimo ya Nickel ho thetheha ho feta Boiler steel plate A302 Grade C. Letlapa la tshipi la kgatello le nang le boleng bo lekanang le thepa ya motjhini le. A302 Grade B le A302 Grade C, fana ka matla a ka holimo ho 345 Mpa, le tensile strength ka hare ho 550-690 Mpa.Gnee steel e rata ho fana ka MTC tlas'a sebopeho EN 10204 3.1 kapa EN 10204 3.2 ka litlhahlobo tsa batho ba boraro.

Botenya: 6mm ho 300MM,
Bophara: 1500mm ho 4050mm,
Bolelele: 3000mm ho 15000mm

A302 Grade D Chemical Compposition
Khabone, max	%	Manganese, max	%	silicon, max	%	Sulfur max	%
25mm kapa ka tlase	0.2	Tlhahlobo ea Mocheso	1.15-1.50	Tlhahlobo ea Mocheso	0.15-0.40	Tsohle tse teteaneng	0.035
25-50 limilimithara	0.23	Tlhahlobo ea Lihlahisoa	1.07-1.62	Tlhahlobo ea Lihlahisoa	0.13-0.45
ho feta 50 mm	0.25
		Molybdenum max	%	Nickel  max	%	Phosphorus	%
		Tlhahlobo ea Mocheso	0.45-0.60	Tlhahlobo ea Mocheso	0.70-1.0	Tsohle tse teteaneng	0.035
		Tlhahlobo ea Lihlahisoa	0.41-0.64	Tlhahlobo ea Lihlahisoa	0.67-1.03

Thepa ea Mechanical ea poleiti ea tšepe ea A302 Grade D	A302 Sehlopha sa D
Matla a thata, kea [MPa]	80-100 [550-690]
Fana ka matla, min, kis [MPa]	50 [345]
Elongation ho 8 in. [200 mm], min, %	17
Elongation ho 2 in. [50 mm], min, %	20

Litlhoko tsa Tekheniki le Litšebeletso tse Eketsehileng:
♦  Teko e phahameng ea tsitsipano
♦  Teko ea ho ama mocheso o tlase
♦  E tloaelehile bakeng sa lipoleiti tse teteaneng tse fetang 40mm
♦  Kalafo e qapiloeng ka mor'a cheseletso ea mocheso (PWHT)
♦  Ho theoha tlas'a maemo a tloaelehileng a NACE MR-0175 (HIC+SSCC)
♦  E fane ka setifikeiti sa tlhahlobo sa Orginal Mill tlas'a EN 10204 FORMAT 3.1/3.2
♦  Ho qhomisoa le ho penta, ho seha le ho tjheseletsa ho ya ka ditlhoko tsa mosebedisi