Product data of using fuels on ship

PRODUCT DATA OF USING FUELS ON SHIP
				Marine Residual Fuels				Marine Distillate Fuels
Standards and Characteristics				IFO 180		IFO 380		-	MGO	MDF	MDF
ISO 8217:1996(E)                      F-				RME 25	RMF 25	RMG 35	RMH 35	DMX	DMA	DMB	DMC
Kinematic viscosity	at 100 oC	cSt	max	25		35		-	-	-	-
	at 50 oC		max	180		380		-	-	-	-
	at 40 oC		min	-		-		1.40	1.50	-
			max	-		-		5.50	6.0	11.0	14.0
Density at 15 oC		kg/m3	max	991				-	890	900	920
Cetane number			min	-				45	40	35	-
Flash point		oC	min	60				43	60
Pour point (upper)	summer	oC	max	30				-	0	6	6
	winter			30				-	-	0	0
Carbon residue, micro		mass-%	max	15	20	18	22	-	-	0.30	2.50
Ash		mass-%	max	0.10	0.15		0.20		0.01		0.05
Sediment by extraction		mass-%	max	0.10				-	-	0.07	-
Total existent sediment		mass-%	max	0.10				-	-	-	0.10
Water		vol-%	max	1.0				-	-	0.3
Sulphur		mass-%	max	5.0				1.0	1.50	2.0
Vanadium		mg/kg	max	200	500	300	600	-	-	-	100
Aluminium+silicon		mg/kg	max	80				-	-	-	25
Total acid number		mg KOH/g	max	3					0.5		3
Addionational data (approx)
Cetane number (ignition perf.)
Auto-ignition temp.		oC		407							256.7
Boiling point		oC		24							232-425
Freezing point		oC									-29
Vapor press. at 20 oC		mmHg		0.042
Vapor density		air:1		1
Flammable limits		%		1-5							1.3-6
Gross Spec. Energy		MJ/kg	min	41.3					42.5
Pumping temp.		oC	min	25		35
Storage temp.		oC	min	40					5-23		5
Centrifugal temp.		oC	appr.	95		98			42
Preheat temp. before fuel injection pump		oC	appr.	98-123		115-140			28-44		-4/12
Recomm. preheat temp. before fuel inj. pump		oC	appr.	112		126
Viscosity before fuel injection pump  at 50 oC		cSt	appr.	12-23					24
Recomm. viscosity before fuel inj. pump at 50 oC		cSt	appr.	16
Keep the fuel temp. about 10 oC above the minumum storage temp. indicated in the table in order to minimize the risk of max formation.
Keep the temp. after the final heater 5-10 oC above the recommended temp. before fuel injection pumps to compensate for heat losses
between heater and engine.
HFO	: Heavy Fuel Oil					ISO: International Standards Organisation
IFO	: Intermediate Fuel Oil					mg/kg = ppm		1 cSt = 1 mm2/sec
DMX	: Distillate. Used in emergency equipment, external to the machinery spaces.
DMA	: Distillate. General purpose, shall contain no residuum. MGO Marine Gas Oil.
DMB	: Distillate. General purpose, may contain a trace of residuum. MDO Marine Diesel Oil (Distillate MDF)
DMC	: Distillate. General purpose, may contain some residuum. Blended Marine Diesel Oil. (Blended MDF)
MGO	: Marine Gas Oil
MDF	: Marine Desel Fuel