Sumangala 550D

The company's Product range includes commodity grades intended for the steel industry and TMT products

BIS Grades

Constituent

Carbon

Carbon Equivalent

Sulphur

Phosphorus

Sulphur and Phosphorus

Manganese

BIS Standards

0.25

0.61

0.040

0.040

0.075

NS*

Sumangala Values

0.22

0.40

0.035

0.038

0.075

0.55 - 1.00

Properties

Yield Stress N/mm2 Min.

Tensile Stress N/mm2 Min.

TS/YS Ratio Min.

BIS Standards

550

600

1.08

Sumangala Values

560

635

1.13

Size in mm  

8

10

12

16

20

25

32

BIS Standards kg/m
Min

0.367

0.574

0.844

1.501

2.396

3.735

6.121

Standards

0.395

0.617

0.888

1.580

2.470

3.850

6.310

Max

0.423

0.660

0.932

1.659

2.544

3.966

6.499

Sumangala Values kg/m
Min

0.370

0.575

0.845

1.505

2.400

3.750

6.150

Max

0.400

0.620

0.890

1.590

2.475

3.860

6.320

Bend Test

Up to 20mm

Above 20mm

BIS Standards

4d

5d

Sumangala Values

4d

5d

Re-Bend Test

Up to 10mm

Above 10mm

BIS Standards

6d

7d

Sumangala Values

6d

7d

Properties

Total Elongation % Min

Elongation % Min

TS/YS Ratio Min.

BIS Standards

5

14.5

1.08

Sumangala Values

6

15.5

1.13

Size in mm

8

10

12

16

20

25

32

BIS Standards

0.12d

0.15d

0.15d

0.15d

0.17d

0.17d

0.17d

0.96

1.50

1.80

2.40

3.40

4.25

5.44

Sumangala Values

1.50

2.00

2.40

3.20

4.00

5.00

6.40


Note: NS* - Not Specified

Approved By