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Rails Table 31 Rails — Dimensions and Properties About x-axis ———————— Designation Mass a b c d e f g r 1 r 2 r 3 r 4 S t x y Total Head Web Foot l x Head Foot Designation Area Area Area Area Z x Z x kg/m mm mm mm mm mm mm mm mm mm mm mm mm mm mm 2 mm 2 mm 2 mm 2 10 6 mm 4 10 3 mm 3 10 3 mm 3 AS 68 67.5 74.6 185.7 49.2 106.4 30.2 152.4 78.6 19.1 14.3 254 19.1 40 17.5 4 85.0 8602 3125 2335 3142 39.4 391.7 463.8 AS 68 AS 60 60.7 70.0 170.0 49.0 93.0 28.0 146.0 74.5 20.0 15.0 300 20.0 20 16.5 4 79.1 7728 3018 1958 2752 29.4 323.2 371.4 AS 60 AS 50 50.7 70.0 154.0 45.0 84.0 25.0 127.0 67.0 15.0 15.0 300 15.0 20 15.0 4 74.8 6457 2729 1565 2164 20.2 254.1 269.3 AS 50 AS 41 40.8 63.5 136.5 40.5 74.6 21.4 127.0 60.3 9.5 11.0 305 9.5 ∞ 13.1 5 64.7 5192 2162 1122 1908 13.27 184.4 204.5 AS 41 OneSteel 53 53.1 70.0 157.1 46.0 86.5 24.6 146.0 67.9 9.5 11.0 305 12.7 ∞ 14.7 5 73.0 6763 2721 1520 2522 22.8 271.7 313.0 OneSteel 53 Notes: Some dimensions have been omitted for clarity, refer to AS 1085.1-2002 for additional dimensions HRSSP 3 rd Ed. December 2003 25
STANDARD SPECIFICATIONS Structural Steel Sections Structural Steel — Welded Sections — Standard: AS/NZS 3679.2:1996 Table 32 Chemical Composition — Welded Sections Base Plate Cast or Product Analysis, Percent Grade C Si Mn P S Cr Ni Cu Mo Al Ti Micro-alloying CE (1) (2) (2) (2) (2) (3) Elements (4) AS/NZS 3678 Max. Min. Max. Max. Max. Max. Min. Max. Max. Min. Max. Max. Max. Max. Max. Max. 300 & 300 L15 0.22 * 0.55 1.70 0.040 0.030 * 0.30 0.50 * 0.40 0.10 0.100 0.040 (see Note 5) 0.44 400 & 400L15 0.22 * 0.55 1.70 0.040 0.030 * 0.30 0.50 * 0.40 0.35 0.100 0.040 (see Note 6) 0.48 * = No specified limit. Notes 1. The use of sulphide modification steelmaking techniques for listed grades is permitted. 2. Cr + Ni + Cu + Mo = 1.00% maximum apply. 3. Limits specified are for both acid soluble and total aluminium. 4. Carbon equivalent (CE) is calculated from the equation based on actual cast or product analysis: CE = C + Mn + Cr + Mo + V + Ni + Cu 6 5 15 5. Niobium plus vanadium: 0.030% maximum. 6. Vanadium: 0.10% maximum. Niobium plus vanadium plus titanium: 0.15% maximum. Table 33 Tensile Properties — Welded Sections Base Plate Property Grade - AS/NZS 3678 300, 300L15 400, 400L15 Minimum Yield Strength — MPa for thickness of: > 8 ≤ 12 310 400 > 12 ≤ 20 300 380 > 20 ≤ 50 280 360 Minimum Tensile Strength — MPa 430 480 Minimum Elongation % of Gauge Length of 5.65√S o 21 18 Note 1. S o is the cross-sectional area of the test piece before testing. Table 34 Charpy V-Notch Impact Test Requirements — Welded Sections Base Plate Grade Test Minimum Absorbed Energy, J Temperature Size of Test Piece AS/NZS 3678 10 mm x 10 mm 10 mm x 7.5 mm 10 mm x 5 mm °C Average of Individual Average of Individual Average of Individual 3 Tests Test 3 Tests Test 3 Tests Test 300L15 -15 27 20 22 16 18 13 400L15 -15 27 20 22 16 18 13 26 HRSSP 3 rd Ed. December 2003
Page 1 and 2: Third Edition Hot Rolled and Struct
Page 3 and 4: I NTRODUCTION OneSteel is Australia
Page 5 and 6: A VAILABILITY Rail Products Rails T
Page 7 and 8: A VAILABILITY Merchant Bar Sections
Page 9 and 10: 8 HRSSP 3 rd Ed. December 2003 Weld
Page 11 and 12: 10 HRSSP 3 rd Ed. December 2003 We
Page 13 and 14: 12 HRSSP 3 rd Ed. December 2003 Uni
Page 17 and 18: 16 HRSSP 3 rd Ed. December 2003 Tap
Page 21 and 22: 20 HRSSP 3 rd Ed. December 2003 Equ
Page 23 and 24: 22 HRSSP 3 rd Ed. December 2003 Une
Page 25: 24 HRSSP 3 rd Ed. December 2003 Une
Page 29 and 30: STANDARD SPECIFICATIONS Rail Produc
Page 31 and 32: CUSTOMER TECHNICAL SERVICE COMPANY
Page 33 and 34: N OTES 32 HRSSP 3 rd Ed. December 2

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