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Class D Fuel Oil Specifications

Grade D is a fuel category within the BS 2869 standard. Learn about Grade D fuel specifications in BS 2869 Standard.

BS 2869 Fuel Specifications for Grade D Fuel

Grade D is a high-sulphur diesel fuel with up to 1000 ppm sulphur content. It is generally used in heating applications and power generation. Owing to their high sulphur content and relatively higher emissions. They are only used in limited applications. Learn about its complete specifications as per the BS 2869 standard in the table below.

BS 2869 Class D Diesel Specifications

Parameter

Maximum

Minimum

Typical

Unit

Appearance

Clear & bright, cherry red, free from visible sediments

Ash content

0.01

<0.01

% (m/m)

Carbon

87

% (m/m)

Carbon residue (Ramsbottom on 10% residue)

0.3

0.1

% (m/m)

Cetane number

45

48

Cold filter plugging point (1) Summer

-4

-8

°C

Cold filter plugging point (1) Winter

-12

-14

°C

Copper corrosion (3 hrs at 50°C)

1

1a

Class

Density at 15°C

0.82

0.86

kg/m³

Distillation recovery at 250°C

65

42

% (v/v)

Distillation recovery at 350C

85

92

% (v/v)

Fatty acid methyl ester (FAME)

7

<0.1

% (v/v)

Flashpoint (PMCC)

56

>62

°C

Gross specific energy (MJ/kg)

45.4

MJ/kg

Gross specific energy (MJ/litre)

38.8

MJ/litre

Hydrogen

12.75

% (m/m)

Kinematic viscosity at 40°C

5.5

1.5

3

mm²/s

Lubricity (HFRR)

460

<460

µm

Mean specific heat capacity over 0 – 100°C

2.05

KJ/kg °C

Nitrogen

0.01 – 0.05

% (m/m)

Oxidation stability 0.0 – 7.0% FAME

25

g/m³

Oxidation stability 2.0 – 7.0% FAME

20

h

Particulate content

24

<10

mg/kg

Strong acid number

nil

nil

mg KOH/g

Sulphur content

0.1

<0.098

% (m/m)

Volume correction factor

0.00081

per °C

Water content

200

<100

mg/kg