Gas Cylinder Conversion Chart - Steel, Aluminum, High Pressure & Low Pressure Cylinders

Cylinder Conversion Chart
Size (Inches)	DOT Number	Spec Air	Air Liquide	Air Products	BOC	Liquid Carbonic	Matheson	Scott
HIGH PRESSURE STEEL
9 x 60	3AA2400	300	49	A	300	J	1L	K
9 X 56	3AA2265	200	44	B	200	H	1A	A
8.5 X 31	3AA2015	80	16	C	80	M	2	B
6 X 24	3AA2015	35	7	D1	30	B	3	D
4.5 X 31	3AA2015	E	Med E	Med E	E	E	-	ER
4 X 20	3AA2015	10	3	D	12	D	4	D
10 X 56	3AA6000	3HP	44HH	BX	500	-	1U	-
9 X 55	3AA3500	2HP	44H	BY	-	-	1H	-

HIG PRESSURE ALUMINUM
10 X 59	3AL2216	265AL	-	A(AL)	265A	-	-	-
8 X 53	3AL2015	150AL	30AL	B(AL)	150A	AH	1R	AL
7 X 38	3AL2216	80AL	-	-	80A	A2	2R	BL
7 X 21	3AL2216	33AL	7AL	D1(AL)	30A	A3	3R	CL

LOW PRESSURE STEEL
15 X 56	4AA480	400	125	AA	-	-	1K	XG
15 X 48	4BA240	350	110	A1	-	PC	1F	XL
12 X 48	8AL	380	70	A	5	L5	1B	XF
10 X 53	4BA300	65	55	A3	55	SC	1J	XP

NON RETURNABLE CYLINDERS
3 X 10.75	39NRC	One-timers		Scotty Mini			Scotty Mini
3.25 X 13.75	39NRC	One-timers		Scotty Mini			Scotty Mini
3.5 X 14	39NRC	One-timers		Scotty Mini			Scotty Mini
3.5 X 16.25	39NRC	One-timers		Scotty Mini			Scotty Mini