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

Tlhaloso e tloaelehileng ea ASTM A302 bakeng sa lipoleiti tsa sekepe sa khatello ka tšepe ea alloy, manganese molybdenum le manganese-molybdenum-nickel.
ASTM A302 ke mofuta oa tšepe ea alloy e tlase e koahelang limaraka tse 4 tse fapaneng (A, B, C, D), Kereiti ea C le D e na le sebopeho sa lik'hemik'hale Ni, ka botenya bo ts'oanang, chai le matla a thata a Kereiti ea C a tšoana le Kereiti. B, ha sekhahla sa bolelele ba sehlopha sa C se phahame.
Plate ea tšepe ea A302 ea Sehlopha sa B hangata e tla fanoa e le maemong a phuthoang. Lipoleiti li ka laeloa hore li tloaelehe kapa li fokotse khatello ea maikutlo, kapa ka bobeli. Haeba A 302 Grade B e ka holimo ho 50mm ka botenya e tla be e tloaelehile.
Supplementary Technology:   Tlhahlobo ea HIC | NACE MR0175 | Z15 | Z25 | Z35 |

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

A302 Sehlopha sa B Sebopeho sa Lik'hemik'hale
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	…	Tsohle tse teteaneng	0.035
		Tlhahlobo ea Lihlahisoa	0.41-0.64	Tlhahlobo ea Lihlahisoa	…

Thepa ea Mechini ea poleiti ea tšepe ea A302 Grade B	A302 Sehlopha sa B
Matla a thata, kea [MPa]	80-100 [550-690]
Fana ka matla, min, kis [MPa]	50 [345]
Elongation ho 8 in. [200 mm], min, %	15
Elongation ho 2 in. [50 mm], min, %	18