PEEKAY ROLLING MILLS (P) LTD

CHEMICAL COMPOSITION

Chemistry

Unit

IS 1786:1985 Fe-415

IS 1786:1985 Fe-500

Peekay TMT     Fe-415 & Fe 500

Carbon

 % Max

0.300

0.300

0.15 - 0.22**

Manganese

% Max

........

........

0.50 - 0.90

Sulphur

% Max

0.060

0.055

0.050

Phosphurus

% Max

0.060

0.055

0.050

Sulphur & phosphurus

% Max

0.110

0.105

0.100

** Carbon content of weldable bars should be less than 0.25%

 

MECHANICAL PROPERTIES

Properties  

IS:1786-1985

Peekay

IS:1786-1985

Peekay

Minimum

Unit

Fe 415

TMT

Fe 500

TMT 500

Yield Strength

N/mm2 min

415*

465

500*

540

Tensile Strength

N/mm2 min

485

530

545

590

Elongation

%min

14.5

21

12

20

*Typical values

 

BENDING PROPERTIES

Operation

IS:1786 Fe-415

Peekay TMT-415

IS:1786  Fe-500

Peekay TMT-500

Simple Bend Test up to 22mm dia

3d

2d

4d

3d

Over 22mm

4d

3d

5d

4d

Rebend Test

 

 

 

 
Upto 10mm dia

5d

4d

5d

4d

Over 10mm

7d

6d

7d

6d