Country Reference Standard Cover Grade Tensile Strength, MPa Elongation at break, % Abrasion loss, mm³
India IS 1891 Part 1 M 24 24 450 150
N 17 17 400 200
Germany DIN 22102 W 18 400 90
X 25 450 120
Y 20 400 180
Z 15 350 250
United Kingdom BS 490 M 24 24 450 150
N 17 17 400 200
USA RMA 1 17 400 125
RMA 2 14 400 175
Australia AS 3213 A 17 400 70
M 24 450 125
N 17 400 200
South Africa SANS 1173 A 18 400 70
M 24 450 120
N 20 400 150
X 25 450 90
Cover Grade Tensile Strength, MPa Elongation at break, % Abrasion loss, mm³ Application
IS M+ 24 450 100 Handling of abrasive material like copper ore, iron ore, lime, etc
DIN – W 18 400 90
AUS – A 17 400 70
KBPL SAR 17 400 55

 

FR Grade FR standards Tensile strength, MPa Elongation at break, % Abrasion loss, mm³ Application
CAN Type C CAN CSA 422 487 15 400 200 Over ground
IS – FR IS 1891-5 17 350 175
AS AS 1332 14 300
FR – SAR IS 1891-5 / KBPL 17 350 90
FR – HR T1 IS 1891-5 / IS 1891 – 2 17 350 200
FR – OR IS 1891-5 / IS 1891 – 3 15 350 200

 

Cover Grade Reference Standard Working temperature, Fine material Working temperature, Course material Tensile Strength, MPa Elongation at break, % Abrasion loss, mm³
HR–T1 IS 1891,    Part – 2 100 125 12.5 350 200
HR-SAR IS 1891,    Part – 2 / KBPL spec 100 125 12.5 350 120
HR–T2 IS 1891,    Part – 2 125 150 12.5 350 200
UHR KBPL Spec 180 220 10 350 200

 

Cover Grade Reference Standard Tensile strength, MPa Elongation at break, %
Moderate oil resistance (MOR) KBPL SPEC 12 350
OR IS 1891,  Part 3 12 250
OR HR IS 1891,  Part 3 /      IS 1891,  Part 2 12 300
OR FR IS 1891,  Part 3/       IS 1891,  Part 5 12 300
OR editable oil IS 1891,  Part 3 12 300