Special Attribute
- High designed yield strength of 520 Mpa (75000psi) (Min
- Better ductility and malleability.
- Good corrosion resistance, thermal resistance & earthquake resistance.
- De-scaled bars have better bonding with concrete and less wastage at site.
- Significant saving in steel consumption around 20% when using SCRM 500W TMT bar.
- Consistency of Chemical Composition & Physical Properties.
- Fine Grain structure & Less slag and inclusion
Standard Specification of SCRM TMT 500W Rebar
- BDS/ISO 6935-2:2006.
- ASTM A 615/A 615M – 03A.
- BS 4449: 2005
- DIN 488 : 1986
- JIS G 3112
- IS 1786
STANDARD CHEMICAL COMPOSITION FOR 500W GRADE:
International/National Standards for 500W Grade
| Alloy Elements | American Standard- ASTM 706 | British Standard- BS 4449 | Indian Standard- IS 1786 | Bangladeshi Standard- BDS ISO6935 | SCRM 500W TMT (BUET Test Report) |
|---|---|---|---|---|---|
| Maximum Values | |||||
| % of Carbon | 0.18 | 0.20 | 0.30 | 0.24 | 0.20 |
| % of Manganese | 1.60 | 1.70 | 1.65 | 1.70 | 0.75 |
| % of Silicon | 0.40 | 0.55 | 0.50 | 0.65 | 0.15 |
| % of Phosphorus | 0.04 | 0.03 | 0.06 | 0.05 | 0.02 |
| % of Sulphur | 0.03 | 0.03 | 0.05 | 0.05 | 0.03 |
BAR RECKONER:
| Dia (mm) | Area (mm2) | Kg/m | Kg/ft | m/ton | Ft/ton |
|---|---|---|---|---|---|
| 8 | 50.27 | 0.394 | 0.120 | 2534 | 8315 |
| 10 | 78.54 | 0.616 | 0.187 | 1623 | 5325 |
| 12 | 113.10 | 0.888 | 0.271 | 1126 | 3695 |
| 14 | 153.94 | 1.210 | 0.369 | 827 | 2714 |
| 16 | 201.06 | 1.579 | 0.481 | 633 | 2078 |
| 20 | 314.16 | 2.466 | 0.752 | 405 | 1330 |
| 22 | 380.13 | 2.985 | 0.910 | 335 | 1100 |
| 25 | 490.88 | 3.854 | 1.175 | 260 | 853 |
| 28 | 615.75 | 4.836 | 1.147 | 207 | 679 |
| 32 | 804.25 | 6.313 | 1.925 | 158 | 519 |