Page 312 - SF RAIL CAT_V2.0_WEB_F2-UPDATE-02-11-18

INDEX TEST PAGE 1
RAIL PROFILES

47KG & 50KG RAIL PROFILES

Rail profiles supplied courtesy of EMRAILS – The Australian Rail
stockist.

41 KG RAIL

47 KG RAIL RT 23

63.5

R305 R11 16.0
40.5 R3 Gauge Point
1 in 3

R9.5

13.1 C R 483 136.5
L
74.6 ø30
REFERENCE 21.4 R2 127 R9.5 1 in 5 R3 60.3 C Bolt Holes L 64.7 Neutral Axis 67.5

MECHANICAL PROPERTIES
Area of Head 2162 mm 2 Horizontal Axis
Area of Web 1122 mm 2 Second Moment of Area 13.27 x 10 mm 4
6
Area of Foot 1908 mm 2 Section Modulus Head 184.4 x 10 mm 3
3
www.specialisedforce.com.au

3
Total Area 5192 mm 2 Section Modulus Foot 204.5 x 10 mm 3
50 KG RAIL Standard Lengths 12.19 m & 13.72 m Vertical Axis
RT 23 Calculated Mass 40.8 kg/m Second Moment of Area 2.67 x 10 mm 4
6
70.0
TYPICAL MECHANICAL PROPERTIES (Minimum)
0.2% Proof Stress Tensile Strength % Elongation Gauge Surface Hardness
16.0 R190 R80 R15.5 R10 MPa MPa length = 5.65 √S0 H.B.
45.0 R35 1 IN 20 400 700 8 230
GAUGE POINT
CHEMICAL COMPOSITION (%) Ladle Analysis
1 IN 4
Carbon Silicon Manganese Phosphorus Sulphur
0.53 - 0.69 0.15 - 0.58 0.60 - 0.95 0.025 max 0.025 max
ø30.0
15.0
154.0 NEUTRAL AXIS CL R300
84.0 CL BOLT HOLES
R300
74.7 R15 67.0 75.0

1 IN 4
25.0
R2
R3
127
MECHANICAL PROPERTIES
The technical information provided is intended for informational purposes only and is subject to change without notice. Information may be
Horizontal Axis
Area of Head
2710 mm 2
changed or updated without notice. Customers should seek technical information directly from manufacturers of railway track components to
1578 mm 2
Area of Web
Second Moment of Area
20.1 x 10 6 mm 4
ensure accuracy and suitability of tools and equipment. Section Modulus Head 253.5 x 10 3 mm 3
Area of Foot
2163 mm 2
Total Area 6451 mm 2 Section Modulus Foot 269.1 x 10 3 mm 3
302 SYDNEY Head Office (02) 9547 1844 Adelaide (08) 8352 8866 Brisbane (07) 3256 6011 Townsville (07) 4728 8756
12.19 m & 13.72 m
Vertical Axis
Standard Lengths
Darwin (08) 8984 4453 Melbourne (03) 9761 4199 Perth (08) 9354 8544 Port Hedland (08) 9172 1113 Tasmania 0427 423 217
Calculated Mass 50.6 kg/m Second Moment of Area 3.26 x 10 6 mm 4
TYPICAL MECHANICAL PROPERTIES (Minimum)
0.2% Proof Stress Tensile Strength % Elongation Gauge Surface Hardness
MPa MPa length = 5.65 √S0 H.B.
420 880 8 260
CHEMICAL COMPOSITION (%) Ladle Analysis
Carbon Silicon Manganese Phosphorus Sulphur
0.65 - 0.82 0.15 - 0.58 0.70 - 1.25 0.025 max 0.025 max