CHOO BEE GROUP

STEEL

www.choobee.com

CHANNELS

i) Rolling Tolerance - EN 10279 : 2000

This European standard specifies requirements for the tolerances on dimensions, shape and mass on hot rolled steel channels with parallel flanges.

European Standard

Pag

e 2

Co

lum

ns

www.choobee.com

By

y

T

tHX

90º

rB - t

2

r

X

2B - t

yC

k k

k1k1

q xx

q yy

EN 10279

5) Light Gauge Steels for General StructureJapanese Industrial Standard (Extracts from JIS G 3350 : 2005)

Pag

e 3

Co

lum

ns

www.choobee.com

JIS G 3350

Note : Calculated based on 1kg= 2.2046 lb and 1m=3.2808 feet and 1in= 2.54cm

Pag

e 4

Co

lum

ns

2

2 2

95º

B-t

t

T

B-tH

1 2r r

5a(i) U Channels ( Imperial Units ) - Part 1

Dimensions and Properties

www.choobee.com

Dimensions and Properties

5a(i) U Channels ( Imperial Units ) - Part 2

www.choobee.com

Note : Calculated based on 1kg= 2.2046 lb and 1m=3.2808 feet and 1in= 2.54cm

Pag

e 5

Co

lum

ns

yC

x

y

r

r

xr

yr

Y

Y

xX

Pag

e 6

Co

lum

ns

Dimensions and Properties

5a (ii) U Channels ( Metric Units ) - Part A

www.choobee.com

Note : Calculated based on 1kg= 2.2046 lb and 1m=3.2808 feet and 1in= 2.54cm

B

H2

2 2

95º

B-t

t

T

B-tH

1 2r r

Pag

e 7

Co

lum

ns

yC

x

y

r

r

xr

yr

Y

Y

xX

Dimensions and Properties

5a (ii) U Channels ( Metric Units ) - Part B

www.choobee.com

Note : Calculated based on 1kg= 2.2046 lb and 1m=3.2808 feet and 1in= 2.54cm

Pag

e 8

Co

lum

ns

t

t

x

yy

H

C

x

x

r

r=txr

By

yr

Dimensions and Properties

5a (iii) Plain ChannelsJIS G 3350:2005 / Manufacturer’s Standard

www.choobee.com

Note : Calculated based on 1kg= 2.2046 lb and 1m=3.2808 feet and 1in= 2.54cm

Pag

e 9

Co

lum

ns

By

y

T

tHX

90º

rB - t

2

r

X

2B - t

yCDimensions and Properties

5a (iv) Parallel Flanges

5b (i) Trolley Track

Part 1

www.choobee.com

Note : The �ange thickness is measured at the centre of the �ange

Part 2

B

B

H X X X

Y

Y

C

CS.C.

SxCy

lylxt

t

t

tt

90º 90º

90º 90º

Pag

e 1

0C

olu

mn

s

Dimensions and Properties

www.choobee.comNote : Calculated based on 1kg= 2.2046 lb and 1m=3.2808 feet and 1in= 2.54cm

5b (ii) Lip ChannelsJIS G 3350:2005 / Manufacturer’s Standard

yyC

C

H

C

By

xx

90º 90º

90º 90º

xr

xr

yr yrt

t

t

t

JIS G 3350

CHOO BEE GROUP

www.choobee.comTel : +605 255 8111 Fax : +605 255 0573

Wisma Soon Teik AunJalan Bendara, 31650 Ipoh, Perak