ZOOLOGY 101/BIOLOGY 101 Fall 2011

IS : 3443 - 1980
(Reaffirmed 1999)
Edition 2.1
(1983-10)
Indian Standard
SPECIFICATION FOR
CRANE RAIL SECTIONS
( First Revision )
(Incorporating Amendment No. 1)
UDC 669.14-424 : 621.873
© BIS 2004
B U R E A U O F I N D I A N S T A N D A R D S
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
Price Group 4IS : 3443 - 1980
Indian Standard
SPECIFICATION FOR
CRANE RAIL SECTIONS
( First Revision )
Structural Sections Sectional Committee, SMDC 6
Chairman Representing
SHRI M. DHAR Kamani Engineering Corporation Ltd, Bombay
Members
SHRI S. BANERJEE Steel Re-Rolling Mills Association of India, Calcutta
SHRI N. BHATTACHARYA Garden Reach Shipbuilder and Engineers Ltd,
Calcutta
SHRI N. S. CHATTREE Steel Authority of India Ltd, Bhilai Steel Plant,
Bhilai
SHRI V. MUKUNDAN ( Alternate )
SHRI B. B. CHAKRAVERTI Superintendence Co of India (Pvt) Ltd, Calcutta
SHRI A. K. SHOME ( )Alternate
SHRI D. S. DESAI M. N. Dastur & Co Pvt Ltd, Calcutta
SHRI D. GADH Tata Iron and Steel Co Ltd, Jamshedpur
SHRI S. K. MAHAPATRA ( Alternate )
SHRI S. B. GUPTA Inspection Wing, Directorate General of Supplies and
Disposals, New Delhi
SHRI P. C. MUSTAFI ( Alternate )
SHRI M. P. JASUJA Steel Authority of India Ltd, Research and Develop-
ment Centre for Iron & Steel, Ranchi
JOINT DIRECTOR, STANDARDS Ministry of Railways
(WAGON I), RDSO
JOINT DIRECTOR STANDARDS
(B & S), RDSO ( Alternate )
SHRI OM KHOSLA EMC Projects Pvt Ltd, Calcutta
SHRI S. N. SINGH ( Alternate )
HRI AXMINARAYANAS P. L Hindustan Shipyard Ltd, Vishakhapatnam
SHRI V. A. S. NARAYANA RAO ( Alternate )
SHRI S. K. MITRA Indian Iron & Steel Co Ltd, Burnpur
SHRI S. DUTTA ( Alternate )
SHRI P. K. MUKHERJEE The Braithwaite and Co Ltd, Calcutta
SHRI AMIT KUMAR BHATTACHARYA ( Alternate )
( Continued on page 2)
© BIS 2004
BUREAU OF INDIAN STANDARDS
This publication is protected under the Indian Copyright Act (XIV of 1957) and
reproduction in whole or in part by any means except with written permission of the
publisher shall be deemed to be an infringement of copyright under the said Act.IS : 3443 - 1980
( Continued from page 1)
Members Representing
SHRI M. V. NAGESHAIAH Metallurgical & Engineering Consultants (India) Ltd,
Ranchi
SHRI KAMMAL PRAKASH ( Alternate )
SHRI D. B. NAIK Engineer-in-Chief’s Branch, Army Headquarters
MAJ G. S. SONDH ( Alternate )
SHRI P. V. NAIK Richardson and Cruddas Ltd, Bombay
SHRI P. S. RANGAVITTALAN Iron & Steel Control, Calcutta
BRIG L. V. RAMAKRISHNA Institution of Engineers (India), Calcutta
SHRI S. ROY Steel Authority of India Ltd, Bokaro Steel Plant,
Bokaro
SHRI K. V. RAO ( Alternate )
SHRI S. K. SADHU Jessop & Co Ltd, Calcutta
SHRI S. C. CHAKRABARTI ( Alternate )
SHRI M. C. SARANGDHAR Stup Consultants Ltd, Bombay
SHRI M. K. CHATTERJEE ( Alternate )
SHRI D. SRINIVASAN Joint Plant Committee, Calcutta
SHRI B. P. GHOSH ( Alternate )
SHRI K. S. SRINIVASAN National Buildings Organization, New Delhi
SHRI A. K. LAL ( Alternate )
SHRI SUBRATA ROY Steel Authority of India Ltd, Rourkela Steel Plant,
Rourkela
SHRI V. P. AGARWAL ( Alternate )
SHRI K. SURYANARAYANAN Indian Aluminium Co Ltd, Calcutta
SHRI R. K. MEHTA ( Alternate )
SHRI D. THIRUVENGADAM Tube Investments of India Ltd, Madras
SHRI M. SANKARAN ( Alternate )
SHRI C. R. RAMA RAO, Director General, ISI ( Ex-officio Member )
Director (Struc & Met)
Secretary
SHRI M. S. NAGARAJ
Deputy Director (Struc & Met), ISI
Panel for Crane Rail Sections, SMDC 6 : P4
Convener
SHRI D. GADH The Tata Iron and Steel Co Ltd, Jamshedpur
Members
SHRI J. L. AGGARWAL Cranes and Allied Appliances Sectional Committee,
SMDC 26, ISI
SHRI P. G. BARDHAN Braithwaite & Co Ltd, Calcutta
SHRI A. K. BANERJEE CHOUDHURYCranes and Allied Appliances Sectional Committee,
SMDC 26, ISI
SHRI D. S. DESAI M. N. Dastur & Co Pvt Ltd, Calcutta
( Continued on page 16 )
2IS : 3443 - 1980
Indian Standard
SPECIFICATION FOR
CRANE RAIL SECTIONS
( First Revision )
0. F O R E W O R D
0.1 This Indian Standard (First Revision) was adopted by the Indian
Standards Institution on 4 June 1980, after the draft finalized by the
Structural Sections Sectional Committee had been approved by the
Structural and Metals Division Council.
0.2 This standard was first published in 1966. In this revision the
range of rail sizes has been enlarged to include some of the sections
commonly used in the industry.
0.3 A supplementary list of rail sections covering the 125 kg/m rail
(earlier designated as CR 140) a few non-metric railway rails and some
non-metric and metric crane rails which are in regular use is given in
Appendix A.
0.4 In the formulation of this standard assistance has been derived
from:
IRS-T12-64 Flat bottom railway rails, Ministry of Railways,
Government of India.
GOST 4121-76 Crane rails gosudarstvennyj komitet standartov,
Meri Izmeritel’nyh Priborov SSSR (USSR).
0.5 This edition 2.1 incorporates Amendment No. 1 (October 1983).
Side bar indicates modification of the text as the result of
incorporation of the amendment.
0.6 For the purpose of deciding whether a particular requirement of
this standard is complied with, the final value, observed or calculated,
expressing the result of a test or analysis, shall be rounded off in
accordance with IS:2-1960*. The number of significant places
retained in the rounded off value should be the same as that of the
specified value in this standard.
1. SCOPE
1.1This standard lays down the dimensions, shape and other
requirements of crane rail sections.
*Rules for rounding off numerical values ( revised ).
3IS : 3443 - 1980
2.GENERAL REQUIREMENTS FOR THE SUPPLY OF
MATERIAL
2.1 General requirements relating to supply of material shall be as
laid down in IS : 1387-1967*.
3. DESIGNATION
3.1 Crane rail sections conforming to this standard shall be designated
by the letters ISCR followed by the head width of the rail section in
millimetres. However, the crane rail sections covered in Appendix A
shall be designated by the weight in kg/m.
3.2For shop marking and drawing office purposes, abbreviated
reference symbol CR instead of ISCR may be permitted provided
specific understanding exists between the producer, drawing office and
fabricator.
4. CHEMICAL COMPOSITION
4.1 The material when analysed in accordance with the appropriate
part of IS : 228† and its relevant parts, shall have any of the chemical
compositions on the finished product given in Table 1. The location of
sample for chemical analysis shall be as shown in Fig. 1.
TABLE 1 CHEMICAL COMPOSITION, PERCENT
DESIGNATION ACCORDING TO CMn Si S P
IS : 1762 (Part I)-1974*
Max Max
NEW OLD
55C11 C55Mn1 0.50-0.60 0.95-1.25 0.05-0.30 0.060 0.060
50C12 C50Mn1 0.40-0.60 0.90-1.45 0.03-0.30 0.060 0.060
*Code of designation of steel: Part I Based on letter symbols ( first revision ).
5. TENSILE PROPERTIES
5.1 The tensile test specimen shall be located as shown in Fig. 1 when
tested in accordance with IS : 1608-1972‡, the steel shall have a
2minimum tensile strength of 710 MPa (72 kgf/mm ), with a minimum
elongation of 14 percent on a gauge length of 5.65 Sowhere So is the
area of cross section of the specimen in the gauge length.
*General requirements for the supply of metallurgical materials ( first revision ).
†Methods of chemical analysis of steels (second revision being issued in parts).
‡Methods for tensile testing of steel products ( first revision ).
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IS : 3443 - 1980
FIG. 1 LOCATION OF SAMPLE FOR CHEMICAL ANALYSIS AND
TENSILE TESTING
6. HARDNESS
6.1 The hardness of the rail head when tested in accordance with
IS : 1500-1968* shall be not less than 200 HB.
7. SAMPLING
7.1 The number of samples to be tested for chemical analysis, tensile
properties and hardness shall be one for every 100 tonnes or part
thereof subject to a minimum of one specimen per cast.
8.DIMENSIONS, TOLERANCES AND SECTIONAL
PROPERTIES
8.1 The dimensions of crane rail sections shall be as given in Table 2.
Calculated sectional properties based on these dimensions are given in
Table 3.
8.2 The tolerances on various dimensions of crane rail sections shall be
as given in Table 4.
8.3 The dimensions of some of the rail sections commonly used in the
country are covered in Appendix A along with relevant tolerances and
sectional properties.
*Method for Brinell hardness test for steel ( first revision ).
5IS : 3443 - 1980
TABLE 2 DIMENSIONS OF CRANE RAILS
( Clause 8.1 )
DESIG- DIMENSIONS, mm
NATION
AB C D E F G H R R R R R R R1 2 3 4 5 6 7
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16)
ISCR 050 090 090 055.0 050 25.0 20 20 09.70 300 26 18 06 06 051.5
ISCR 060 105 105 065.5 060 27.5 24 22 09.82 350 32 20 06 06 051.5
ISCR 080 130 130 087.0 080 35.0 32 26 09.75 400 44 26 08 08 061.5
ISCR 100 150 150 108.0 100 40.0 38 30 11.20 450 50 30 08 08 082.0
ISCR 120 170 170 129.0 120 45.0 44 35 15.30 500 56 34 08 08 082.0
ISCR 140 170 170 150.0 140 50.0 60 40 20.60 700 60 40 1