Rebars
Rationalised sizes (SAIL TMT rebars)
| Nominal Diameter (mm) | Weight (kg/m) | Length (m) | Mill |
|---|---|---|---|
| 6 | 0.222 | Coil form | IWRM |
| 8 | 0.395 | Coil form/ Straight* | BWRM/IWRM/ BRM |
| 10 | 0.617 | ||
| 12 | 0.89 | ||
| 16 | 1.58 | 5.5 to 13.5 | DMM/!BRM |
| 20 | 2.47 | DMM/!BRM | |
| 25 | 3.85 | DMM/IBRM/BMM | |
| 28 | 4.83 | BMM/IBRM | |
| 32 | 6.31 | BMM/IBRM | |
| 36 | 7.99 | BMM/IBRM | |
| 40 | 9.8 | BMM/IBRM | |
| 45 | 12.5 | BMM |
* May be supplied in straight length from !BRM
*Bright Bar Quality
Abbreviations used : BWRM - Bhilai Wire Rod Mill, IWRM - IISCO Wire Rod Mill, BMM - Bhilai Merchant Mill, DMM - Durgapur Merchant Mill, !BRM - IISCO Bar & Rod Mill (New) Tolerances on Length and Nominal Mass as per IS:1786-2008
Specified Lengths : If bars are specified to be cut to certain lengths, each bar shall be cut within the deviations of+ 75mm, -25mm on the specified length, but if minimum lengths are specified the deviations shall be + 50mm, 0mm
Packaging : Signode Strapping in bundles of 5 tonnes
Common grades : IS:2062, 2011 for bars an ebars. Alsoavailable in ASTM A615 Grade 40 (for TMTWire Rods) and ASTM-A 615 Grade 40/Grade 60 (for TMT bars), if sufficient orders are there.
Chemical Composition SAIL TMT (IS : 1786, 2008 amended 2017)
| Grade | %C max | %S max | %P max | S+P max | Carbon Equivalent max. |
|---|---|---|---|---|---|
| Fe 500 | 0.30 | 0.055 | 0.055 | 0.105 | As per IS 1786 |
| Fe 550 | 0.30 | 0.055 | 0.055 | 0.100 | |
| Fe 600 | 0.30 | 0.40 | 0.40 | 0.75 | |
| Fe 500 D | 0.25 | 0.40 | 0.40 | 0.75 | |
| Fe 550 D | 0.25 | 0.40 | 0.40 | 0.75 | |
| Fe 500 HCR* | 0.25 | 0.40 | 0.40 | 0.75 | |
| Fe 550 HCR* | 0.25 | 0.40 | 0.40 | 0.75 | |
| Fe 600 HCW* | 0.30 | 0.40 | 0.40 | 0.75 | |
| Fe 415S EQR | 0.25 | 0.45 | 0.40 | 0.75 | |
| Fe 415S HCR EQR* | 0.25 | 0.45 | 0.40 | 0.75 | |
| Fe 500S EQR | 0.32 | 0.40 | 0.40 | 0.75 | |
| Fe 500S HCR EQR* | 0.32 | 0.40 | 0.40 | 0.75 |
*In case of Cu-P grade HCR TMT, Total Cu+ Pis 0.40% min., P can be added upto 0.12% max, provided C<0.15%.
In case of Cu-Cr grade HCR TMT, Total Cu +Cr is 0.7 % min.
When Micro Alloying Elements lik e Nb, V, Ti added, shall be 0.3% max. either sin gly or in combine.
| Grade | %C max | %S max | %P max | S+P max | Alloying/Micro Alloying |
|---|---|---|---|---|---|
| Fe 500 | 0.025 | 0.040 | 0.040 | 0.075 | 0.3% max. |
| Fe 600 | 0.030 | 0.040 | 0.040 | 0.075 | |
| Fe 640 | 0.030 | 0.040 | 0.040 | 0.075 |
Mechanical Properties of SAIL TMT (IS: 1786, 2008 amended 2017)
| Grade | Yield Strength (MPa) min. | Yield Strength (MPa) max. | Ultimate Tensile Strength min. (MPa) | UTS/YS* min. | % Elongation min. | % Uniform Elongation* min |
|---|---|---|---|---|---|---|
| Fe 500 | 500 | - | 545 | 1.08 | 12 | - |
| Fe 550 | 550 | - | 585 | 1.06 | 10 | - |
| Fe 600 | 600 | - | 660 | 1.06 | 10 | - |
| Fe 500 D | 500 | - | 565 | 1.10 | 16 | 5 |
| Fe 550 D | 550 | - | 600 | 1.08 | 14.5 | 5 |
| Fe 500 HCR | 500 | - | 565 | 1.10 | 16 | 5 |
| Fe 550 HCR | 500 | - | 600 | 1.08 | 14.5 | 5 |
| Fe 600 HCR | 600 | - | 660 | 1.06 | 10 | - |
| Fe 415S EQR | 415 | 540 | 1.25 times YS | 1.25 | 18 | 8 |
| Fe 415S HCR EQR | 415 | 540 | 1.25 times YS | 1.25 | 18 | 8 |
| Fe 500S EQR | 500 | 650 | 1.25 times YS | 1.25 | 16 | 8 |
| Fe 500S HCR EQR | 500 | 650 | 1.25 times YS | 1.25 | 16 | 8 |
Mechanical Properties of SAIL TMT Rock/Roofbolt
| Grade | Yield Strength (MPa) | Ultimate Tensile Strength min. (MPa) | UTS;YS* min. | % Elongation min. |
|---|---|---|---|---|
| Fe 500 | 500 | 565 | 1.1 | 16 |
| Fe 600 | 600 | 660 | 1.1 | 12 |
| Fe 650 | 650 | 700 | 1.06 | 10 |
*UTS/ YS refers to ratio of Ultimate Tensile S ngth to the 0.2% proof stress or Yield Strength of the test piece.
# With mutual consent
Applications
| Grade | Application | Special Qualities |
|---|---|---|
| SAJL TMT D | Reinforced Concrete Construction (RCC) in buildings, bridges and other concrete structures. | Excellent bendability, good weldability and high fatigue resistance on dynamic loading. |
| SAJL TMT HCR | RCC Construction exposed to coastal, marine or underground environment | In addition to SAJL TMT D, it possesses high corrosion resistance properties |
| SAJL TMT EQR | RCC construction in earthquake prone zone | In addition to SAJL TMT D, it has high UTS/YS ratio, higher elongation, uniform elongation and narrow range of YS. |
| SAJL TMT HCR EQR | RCC construction in corrosion as well as earthquake prone zone. | Possess combined properties of SAJL TMT HCR & SAJL TMT EQR. |
| SAJL TMT Rock/ Roofbolt | Underground mine and tunnel roof support. Slope stabilisation in hills and Soil nailing/ anchoring | High strength, better toughness and excelle materials due to its modified rib design. |
Wire Rods
Wire Rods from Bhilai Steel Plant
| Size in mm | Weightkg/m | Mill |
|---|---|---|
| 5.5 | 0.186 | BWRM |
| 6 | 0.222 | BWRM |
| 7 | 0.302 | BWRM |
| 8 | 0.395 | BWRM |
| 10 | 0.617 | BWRM |
Abbreviation used : BWRM - Bhilai Wire Rod Mill
Coil Weight : 850 kg per coil
Coil Dimension : Outer diameter -1240/1380 mm; Inner diameter 830/956 mm; Height 512/ 620 mm
Packaging : Each coil is strapped with metallic straps.
Common grades : IS 2062 /2011, IS 2879/1998, SWR-14, SWR-10, SAE 1008*, SAE 1010* CCHQ under development)
Materials are also available in the following foreign specifications:
JIS-G-3505-SWRM-10,JIS-G-3112-1991-SR-235, ASTM-A 510, M-93, SAE-1015, if sufficient orders are available.
Chemical Composition
| Specification | Grade | C% | Mn% | S%max | P%max |
|---|---|---|---|---|---|
| IS: 2062 /2011 | Grade A | 0.23 max | 1.50 max | 0.045 | 0.045 |
| IS: 2879 | Rimming | 0.1 max | 0.38-0.62 | 0.03 | 0.03 |
| SWR-14 | 0.14 max | 0.60 max | 0.05 | 0.05 | |
| SWR-10 | 0.1 max | 0.60 max | 0.04 | 0.04 | |
| SAE 1008 | 0.1 max | 0.30-0.50 | 0.05 | 0.04 | |
| SAE 1010 | 0.08-0.13 | 0.30-0.60 | 0.05 | 0.04 | |
| High Carbon | EN-8 | 0.35-0.45 | 0.60-1.0 | 0.03 | 0.035 |
| EN-9 | .60 | 0 | 0.03 | 0.035 |
Note : For EN-8 & EN-9, Si 0.1 to 0.35
Applications
| Specification | Application |
|---|---|
| IS : 2062/ 2011 | Structural applications |
| IS : 2879/1998 | Arc welding electrodes, welding machine wires |
| SWR-14, SAE-1010 | Blots, nuts , rivets, machine screw, wire nail, fencing wire, wire netting, bar and other general engineering applications |
| SWR-10, SAE-1008 | Cable armouting, wire mesh and other low carbon applications |
Applications
| Specification | Application |
|---|---|
| Carbon steel SAE 1006 - SAE 10 5;JIS G 3506; | Various grades of steel wires galvanized or plain and for making nails, mesh, rope wires, pre-stressed concrete wire, needle wires, general purpose wires, industrial wires,agriculture wires, brush wires, chain rivet wires, umbr ella ribs, piano wire etc. |
| IS: 2879, SWRY 11-21,YSW 11-41, YGW 11-41 | CO2 gas shieldedarc welding, submerged arc welding wire and general electrodes |
| Spring Steel JIS G 4801, SUP 9 - SUP13 | Coil springs for shock absorber, clutch , valve and other dynamically stressed application in automobile industry. |
| Bearing Steel SAE 52100, EN31 | For manufacture of bearing components like balls, rollers and needles. Also used in manufacturing of axle, spin dle, gear etc. |
| Cold Heading Quality IS:11169 (Part 1), IS: 2255, S El 0/ 1015/1018/1020, SAE10B21/ SAE15B25/ SAE15B41/19MnB4 | For manufacturing of fasteners like bolts, nut s or screws by cold forging or t uding and are w dely used in general and automob e indu stries. |
| Free Cutting Steel - SUMll/ 12/ 22L, SAE 12L14, EN 1N8M | For manufacturing intricate automobile parts and white good appliances. |
| IS: 2062, 2011 | General applications in structures |
Wire Rods from IISCO Steel Plant
| Diameter (mm) | Weight (kg/m) | Mill |
|---|---|---|
| 5.5 | 0.186 | IWRM |
| 6 | 0.222 | IWRM |
| 7 | 0.302 | IWRM |
| 8 | 0.394 | IWRM |
| 10 | 0.616 | IWRM |
| 12 | 0.887 | IWRM |
| 14 | 1.208 | IWRM |
| 16 | 1.578 | IWRM |
| 20 | 2.465 | IWRM |
| 22 | 2.983 | IWRM |
Abbreviation used IWRM - IISCO Wire Rod Mill
Coil Weight : 2000kg max.
Coil Inner Diameter : 850/900mm
Coil Outer Diameter : 1250mm
Coil Height before/after compacting : 2000/1500mm
Packaging by strapping : Tying with metallic strap
Tolerance : As per IS: 16124, 200
Product Attributes : Fine grain te I or as per cust er eq rem t of killed st Depth of decarburisation = 1.5% of Wire Rod Diameter (maximum) Gaseous Content: Nitrogen = 70 ppm (maximum). With our Vacuum Degassing facility, we can adhere to stricter specifications on mutual agreement
Chemical Composition of ISP Wire Rods
Carbon Grade Steel
| Grade SAE | Chemical Composition by weight % | ||||
|---|---|---|---|---|---|
| C | Mn | Pmax | Smax | Si | |
| 1006 | 0.08 max. | 0 25-0.40 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1008 | 0.10 max. | 0.30-050 | 0.04 | 005 | 0.15 ~ 0.30 |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1012 | 0.10-0.15 | 0.30-0.60 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1015 | 0.13-0.18 | 0.30-0 60 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1018 | 0.15-0 20 | 0 60-0 90 | 0.04 | 005 | 0.15 ~ 0.30 |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1030 | 0.28-0.34 | 0.60-0.90 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1035 | 0.32-0.38 | 0 60-0 90 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1038 | 0.35-0.42 | 0 60-0 90 | 0.04 | 005 | 0.15 ~ 0.30 |
| 1040 | 0.37-0.44 | 0.60-0.90 | 0.04 | 0.05 | 0.15 ~ 0.30 |
| 1065 | 0.60-0.70 | 0.60-0.90 | 0.04 | 0.05 | 0.35 max |
| 1075 | 0.70-0.80 | 0.40-0.70 | 0.04 | 0.05 | 0.35 max |
| 1085 | 0.80-0.93 | 0.70-1.00 | 0.04 | 005 | 0.35 max |
| Grade JIS G 3506 | Chemical Composition by weight % | ||||
| C | Si | Mn | p | S | |
| HSWR52A | 0.49-0.56 | 0.15-0.35 | 0.30-0.60 | 0.040 max | 0.040 max. |
| HSWR62A | 059-0.66 | 0.15-035 | 0.30-0.60 | 0.040 max. | 0.040 max. |
| HSWR82A | 0.79-0.86 | 0.15-0.35 | 0.30-0.60 | 0.030 max. | 0.030 max. |
Mild Steel Wire rods
| IS 7887 | Chemical Composition by weight % | ||||
|---|---|---|---|---|---|
| C | Mn | p | S | ||
| 1 | 0.06 Max | 0.35Max | 0.050 Max | 0.050 Max | |
| 2 | 0.08 Max | 0.25-0.40 | 0050 Max | 0.050 Max | |
| 3 | 0.10 Max | 0.70 Max | 0.050 Max | 0.050 Max | |
| 4 | 0 08-0.13 | 0.30-060 | 0050 Max | 0050 Max | |
| 4M | 0.08-0.13 | 0.60-0.90 | 0.050 Max | 0.050 Max | |
| 5 | 0.10-0.15 | 0.30-0.60 | 0050 Max | 0.050 Max | |
| 6 | 0.13-0.18 | 0.30-0.60 | 0.050 Max | 0.050 Max | |
| 6M | 0.13-0.18 | 0.60-0.90 | 0.050 Max | 0.050 Max | |
| 7 | 0.15-0 20 | 0.60-0.90 | 0050 Max | 0.050 Max | |
| 7M | 0.15-0.20 | 0.60-0.90 | 0.050 Max | 0.050 Max | |
| 8 | 0.18-0 23 | 0.30-060 | 0050 Max | 0050 Max | |
| 8M | 0.18-0.23 | 0.60-0.90 | 0.050 Max | 0.050 Max | |
| 9 | 0 20-0 25 | 0.30-0.60 | 0050 Max | 0.050 Max | |
| 10 | 0.20-0.28 | 0.30-0.60 | 0.050 Max | 0.050 Max | |
| l0M | 0.22-0.28 | 0.60-0.90 | 0.050 Max | 0.050 Max | |
