Riyadh Steel | Our Products | Specification

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our Products

 
  • We offer a wide range of Steel Bar to our distinguish customers. Our products are tested on various quality parameters to ensure flawless product.
  • Our products are available in different shapes (Flat, Angel) and sizes (From 16mm x 3mm x 4 meters up to 120mm x 12 mm x 6 meters)
  • All our products are made according to the American Standard A6/A 6M - 99a.
  •  

  • (Please click on the images to find out more about the available sizes)
  • FLAT BAR
  • Ange Bar
 

our Products | technical specification

 

1- CHEMICAL ANALYSIS

Item

C %

Si %

Mn %

S %

P %

Al %

variation

from

to

from

to

from

to

from

to

from

to

from

to

value

0.18

0.22

0.16

0.21

0.4

0.5

0.02

0.02

0.03

 

2- CHEMICAL REQUIREMENTS ( A36/A 36M):

Item

C %

Mn %

P %

S %

Si %

Cu %

value

0.26  Max

From (0.4 – 0.6)

0.04  Max

0.05 Max

0.4  Max

0.2 Min

 

3- INSPECTION AND TESTING:

A. PERMISSIBLE VARIATIONS IN LENGTH FOR FLAT BARS AND ANGLES

Nominal size, mm

Variations from specified length for lengths given , mm

1.5 to 3 m

3 to 6 m

6 to 9 m

9 to 12 m

over

under

over

under

over

under

over

under

Under 75

16

0

25

0

38

0

51

0

75 and over

25

0

38

0

45

0

57

0

 

B. PERMISSIBLE VARIATIONS IN CROSS SECTION FOR ANGLES:

 

Nominal size, mm

B, length of leg ,mm

T, out of square, per mm of B mm

Variations from thickness to thickness given over and under, mm

Over

under

5 and under

Over 5 to 10

Over 10

25 and under

1

1

0.026B

0.2

0.2

0.3

Over 25 to 50

1

1

0.026B

0.2

0.2

0.3

Over 50 to 75

2

2

0.026B

0.3

 0.4

0.4

 

C. PERMISSIBLE VARIATIONS IN STRAIGHTNESS FOR BARS:

A maximum permissible variation in straightness is 4mm in any 1000 mm.

 

D. PERMISSIBLE VARIATIONS IN STRAIGHTNESS FOR ANGLES:

 

Variable

Nominal size, mm

Permissible variation, mm

camber

Under 75

4 x number of meters of total length

75 and over

2 x number of meters of total length

 

E. PERMISSIBLE VARIATIONS IN SECTIONAL DIMENSIONS FOR FLAT BARS

Specified widths, mm

Permissible variations from thickness , for thickness given , over and under, mm

Permissible variations from specified width, mm

Over 5 to 6

Over 6 to 12

Over 12 to 25

Over 25 to 50

Over 50 to 75

Over 75

over

under

To 25

0.18

0.20

0.25

0.80

1.20

1.20

0.50

0.50

Over 25 to 50

0.18

0.30

0.40

0.80

1.20

1.20

1.0

1.0

Over 50 to 100

0.20

0.40

0.50

0.80

1.20

1.20

1.50

1.0

Over 100 to 150

0.25

0.40

0.50

0.80

1.20

1.20

2.50

1.50

Over150 to 200

0.25

0.40

0.65

0.80

1.20

1.60

3.0

2.50

 

F. PERMISSIBLE VARIATIONS IN SECTIONAL DIMENSIONS FOR ROUND

Specified sizes, mm

Variations from size ±       mm

Out of round or out of square section,   mm

Up to 7.0

0.13

0.20

Over 7.0 to 11.0

0.15

0.22

Over 11.0 to 15.0

0.18

0.27

Over 15.0 to 19.0

0.20

0.30

Over 19.0 to 25.0

0.23

0.34

 

 
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