Crane RailTechnical Specification

CONTENTSQuality assurance Steelmaking process Rolling process Chemical composition Mechanical testing Dimensions and tolerances Surface quality Marking Bundling Certification Appendices

34444455556

2 CRANE RAIL

Mass permetre

Area of crosssection

Moment of inertialx-x

Moment of inertialy-y

SectionmodulusZx-x

SectionmodulusZy-y

kg/m cm2 cm4 cm4 cm3 cm3

A65 43.1 54.9 319 606 72.23 69.43

A75 56.2 71.6 531 1011 106.77 101.02

A100 74.3 94.7 856 1345 165.56 126.30

A120 100.0 127.4 1361 2350 240.23 213.15

A150 150.3 191.4 4373 3805 573.28 331.99

Crane rail 87* 86.8 110.5 3030 962 394.69 126.30

Crane rail 89 kg/m 89.8 114.4 1502 1434 246.28 161.13

Crane rail 125 kg/m 124.5 159.6 3821.3 1911.5 502.8 273.1

* Also referred to as MRS87a

We also have scope to produce the American Range rails including CR104, CR105, CR135, CR171 & CR175 and the special rails

MRS73, MRS86, MRS125, MRS192, MRS221, AS86, CR73, CR100, CRS140, JKL55, SP100 & SP120. Please contact us to discuss

your requirements further.

Quality assurance

British Steel special profiles are fully approved to ISO 9001

and ISO 14001 standards for Quality Management and

Environmental Management respectively.

The entire manufacturing and inspection process is fully

compliant with all British Steel Quality Management

Systems, Codes of Practice and Working Procedures.

The Quality Management System is independently audited

and approved by Lloyds Register of Quality Assurance on

an ongoing basis. Although not directly related to crane

rails, the mill producing this product also manufactures

significant volumes for marine grade products and as such

the quality control systems are heavily audited by numerous

external inspectorates.

X

a top

a bo

tto

m

a BA

SE

X

Y

BASE area

BASE radius

Centroid

Y

Crane rail

The following crane rail profiles are available and can be supplied from stock or rolled to order.

Crane rail cross section

3SPECIAL PROFILES

Steelmaking process

All steel is made by the basic oxygen process (BOS) and is continuously cast to bloom using a clean steel process.

All material is supplied fully silicon-killed.

Rolling process

All material is hot rolled and is supplied in the as-rolled metallurgical delivery condition.

Chemical composition

Crane rail is currently available in the following analysis ranges in line with DIN 536-1, with the scope and desire to develop new

grades as the market requires.

C Si Mn P S V

690 Min 0.40 - 0.80 - - -

Max 0.60 0.35 1.20 0.045 0.045 -

880 Min 0.60 - 0.80 - - -

Max 0.80 0.50 1.30 0.045 0.045 -

90V Min 0.50 - 0.80 - - 0.06

Max 0.70 0.50 1.40 0.030 0.030 0.20

Mechanical testing

Tensile properties are determined in accordance with EN10002-1, using turned longitudinal tensile specimens taken

from the head of the rail at a standard frequency of 1 / 50t rolled. The minimum strength requirements are as follows:

Grade Minimum Yield (MPa) Minimum UTS (MPa) Hardness (HBN)

690 355 690 204

880 440 880 260

90V 540 880 260

Dimensions and tolerances

Rails are supplied as standard at 12m lengths, and in 11.8m or 11.95m for containers.

Other non-standard lengths up to 18m are available upon request.

• Standard cutting tolerance -0 + 100mm, tighter cutting tolerances are available by request

• Straightness tolerance 1.5mm/m maximum, in both the horizontal and vertical directions

• All saw rags and burrs will be removed

• End squareness will be 1mm in any direction

• Twist 0.5°/m max

Ladle analysis

4 CRANE RAIL

Surface quality

Imperfections in the surface are considered acceptable at

0.35mm deep for the rail running surface and 1mm deep for

the rest of the rail. There shall be no more than 3 acceptable

imperfections per 12m rail length. Dressing of surface

imperfections:

Imperfections exceeding the limits above shall be dressed

out. Any protrusions affecting the fit of the fishplate shall

be dressed to shape. If the imperfection depth cannot be

measured it shall be investigated by depth proving, and

subsequently dressed to the criteria below, using a rotary

burr, lamellar flap tool or grinding belt, providing the work is

contour-blended.

Dressing will not be deeper than 0.35mm for the rail running

surface and 1mm for the rest of the rail. A maximum of one

defect per 12m rail length shall be dressed or proved. In the

case of longitudinal guide marks, there shall be a maximum

of two at any point along the length of the rail, to the depth

limits specified above, but no more than one of these shall

be on the rail running surface. Recurring guide marks along

the same axis are taken as a single guide mark. No sharp

edges are permitted on guide marks.

Marking

Crane rails are hard stamped with individual bar numbers

on the foot of the rail and one label per bundle. Additional

marking is available upon agreement. Rails are embossed

with ‘BS UK’ to define the product as being produced by

British Steel in the UK.

Bundling

Bundles are built with signode-type metal banding as

required. All bundles are built up with the same advised cut

length. Maximum bundle weight and bundle configuration

can be set by agreement.

Certification

All inspection certificates will be issued in full accordance

with EN10204 Type 3.1 requirements. This will include:

• Purchase order number

• Cast number

• Ladle analysis

• Mechanical properties

• Ultimate tensile strength is quoted as standard

• Yield strength is supplied for 90V chemistries,

or if requested at point of order

5SPECIAL PROFILES

Appendices

Appendix 1: Crane rail A65

‘A’ = To be within

1.0mm of ‘B’

Mass/M = 43.10 kg

Appendix 2: Crane rail A75

75±0.8

85±

1

R 500

45

90

22

15.4

11

R 8

35

39

.5

R 8

R 6

R 6

R 6R 1.5

Flat to 0.8 concavity

‘A’‘ B’

200+2

65±0.8

75±

1

R 400

38

78

20

14 10

R 6

30 34

R 6

R 5

R 5

R 5R 1.5

Flat to 0.6 concavity

‘A’‘ B’

175+1.54

‘A’ = To be within

1.0mm of ‘B’

Mass/M = 56.20 kg

Appendix 3: Crane rail A100

100±1

R 500

60

100

95±

1.5

23

16.5

12

R 10

40

45.

5

R 8

R 6

R 6

R 6R 1.5

Flat to 0.8 concavity

‘A’‘ B’

200+2

Appendix 4: Crane rail A120

‘A’ = To be within

1.5mm of ‘B’

Mass/M = 74.30 kg

120±1

R 600

72120

105±

1.6

30

1420

R 10

47.

5

55.5

R 10

R 6

R 10

R 6R 1.5

Flat to 1.0 concavity

‘A’‘ B’

220+2

‘A’ = To be within

1.5mm of ‘B’

Mass/M = 100.33 kg

6 CRANE RAIL

Appendix 5: Crane rail A150

150±1

R 800

80

150

±1.

5

31.

5

14

R 10

50 64

.5

R 30

R 10

R 30

R 6R 1.5

Flat to 1.0 concavity

‘A’‘ B’

220+2

Appendix 6: Crane rail 87 (MRS87A)

‘A’ = To be within

1.5mm of ‘B’

Mass/M = 150.3 kg

101.6±1

34.9

R 8±1.5

152±

0.8

152.4±2.4

31.

75

50.8

R 19.05

R 31.75

12º

12ºR 1.5

Flat to 1.0 concavity

R 12.7

R 7.94

Appendix 7: Crane rail 89 kg/m

Mass/M = 86.8 kg

‘A’ = To be within

1.5mm of ‘B’

Mass/M = 89.8 kg

102±1

51±1

106

114

±1

178±3

89±1.5 89±1.5

16

R 10

51

R 10

26.6º

8.1º

2R 10

R 5

Flat to 1.0 concavity

‘A’‘ B’

R 10R 10

Will vary fromsharp to R 5

Appendix 8: Crane rail 125 kg/m

Mass/M = 125.145 kg140+2

140

R 3.2±1

R 30

64±2

R 10±3

6

6

1

1

152±

2

82

35

0x =

76

R 3.2

R 30

R 10

35±

1

7SPECIAL PROFILES

SPCR:ENG:052017

BRITISHSTEEL.CO.UKPO Box 1, Skinningrove, Saltburn by the Sea, TS13 4ET, United Kingdom+44 (0)1287 593124 E | specialprofiles@britishsteel.co.uk

AT

| |

Care has been taken to ensure that the contents of this publication are accurate, but British Steel Limited and its subsidiaries and associated undertakings (having the meaning set out in the Companies Act 2006) do not accept responsibility or liability for errors or information that is found to be misleading.

Copyright British Steel 2017

British Steel Limited is registered in England under number 09438207 with registered office at Administration Building, Brigg Road, Scunthorpe, DN16 1BP.