ASTM Standards
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ASTM 615 & 706 Standards
ASTM 615 & 706 Standards
| ASTM A-615 Specifications: – Parameters Specified by ASTM 615 |
|---|
| Table 1: Deformed Bars Designation Numbers, Nominal Weights [Masses], Nominal Dimensions and Deformation Requirements |
| Bar Designation | Nominal Weight | Nominal Dimensions | Deformation Requirements, in [Mm] | ||||
| No | lb/ft | ||||||
| Nominal Mass | Diameter in | Cross Sectional | Perimeter, in. | Maximum Average Spacing | Minimum Average Height | Maximum Gap (Chord of 12.5 % of Nominal Perimeter) | |
| Kg/m] | [mm] | Area in | [mm] | ||||
| [mm] | |||||||
| 3 [10] | 0.376 [0.560] | 0.375 [9.5] | 0.11 [71] | 1.178 [29.9] | 0.262 [6.7] | 0.015 [0.38] | 0.143 [3.6] |
| 4 [13] | 0.668 [0.994] | 0.500 [12.7] | 0.20 [129] | 1.571 [39.9] | 0.350 [8.9] | 0.020 [0.51] | 0.191 [4.9] |
| 5 [16] | 1.043 [1.522] | 0.625 [15.9] | 0.31 [199] | 1.963 [49.9] | 0.437 [11.1] | 0.028 [0.71] | 0.239 [6.1] |
| 6 [19] | 1.502 [2.235] | 0.750 [19.1] | 0.44 [284] | 2.356 [59.8] | 0.525 [13.3] | 0.038 [0.97] | 0.286 [7.3] |
| 7 [22] | 2.044 [3.042] | 0.875 [22.2] | 0.60 [387] | 2.749 [69.8] | 0.612 [15.5] | 0.044 [1.12] | 0.334 [8.5] |
| 8 [25] | 2.670 [3.973] | 1.000 [25.4] | 0.79 [510] | 3.142 [79.8] | 0.700 [17.8] | 0.050 [1.27] | 0.383 [9.7] |
| 9 [29] | 3.400 [5.060] | 1.128 [28.7] | 1.00 [645] | 3.544 [90] | 0.790 [20.1] | 0.056 [1.42] | 0.431 [10.9] |
| 10 [32] | 4.303 [6.404] | 1.270 [32.3] | 1.27 [819] | 3.99 [101.3] | 0.889 [22.6] | 0.064 [1.63] | 0.487 [12.4] |
| 11 [36] | 5.313 [7.970] | 1.410 [35.8] | 1.56 [1006] | 4.43 [1125] | 0.987 [25.1] | 0.071 [1.8] | 0.540 [13.7] |
Specifications of Grade 40 & Grade 60 Steel Bars:
Table 2: Tensile Requirements
| Grade 40 [280] | Grade 60 [420] | ||||
| Tensile Strength, min, psi [Mpa] | 60 000 [420] | 90 000 [620] | |||
| Yield Strength, min, Psi [Mpa] | 40 000 [280] | 60 000 [420] | |||
| Elongation in 8 in [203.0mm], min %: | |||||
| Bar Designation Number | |||||
| 3 [10] | 11 | 9 | |||
| 4, 5 [13, 16] | 12 | 9 | |||
| 6 [19] | 12 | 9 | |||
| 7, 8 [22, 25] | … | 8 | |||
| 9, 10, 11 [29, 32, 36] | … | 7 | |||
| Table 3: Bend Test | |||||
| Bar Designation Number | Pin Diameter for Bend Tests | ||||
| Grade 40 [300] | Grade 60 [420] | ||||
| 3,4,5 [10, 13, 16] | 3½ d | 3½ d | |||
| 6 [19] | 5d | 5d | |||
| 7, 8 [22, 25] | … | 5d | |||
| 9, 10, 11 [29, 32, 36] | … | 7d |
| ASTM A-706: – Parameters Specified by ASTM 706 | |||||||
|---|---|---|---|---|---|---|---|
| Table 1: Deformed Bars Designation Numbers, Nominal Weights [Masses], Nominal Dimensions and Deformation Requirements | |||||||
| Bar Designation | Nominal Weight | Nominal Dimensions | Deformation Requirements, in [Mm] | ||||
| No | lb/ft | ||||||
| Nominal Mass | Diameter in | Cross Sectional | Perimeter, in. | Maximum Average Spacing | Minimum Average Height | Maximum Gap (Chord of 12.5 % of Nominal Perimeter) | |
| Kg/m] | [mm] | Area in | [mm] | ||||
| [mm] | |||||||
| 3 [10] | 0.376 [0.560] | 0.375 [9.5] | 0.11 [71] | 1.178 [29.9] | 0.262 [6.7] | 0.015 [0.38] | 0.143 [3.6] |
| 4 [13] | 0.668 [0.994] | 0.500 [12.7] | 0.20 [129] | 1.571 [39.9] | 0.350 [8.9] | 0.020 [0.51] | 0.191 [4.9] |
| 5 [16] | 1.043 [1.522] | 0.625 [15.9] | 0.31 [199] | 1.963 [49.9] | 0.437 [11.1] | 0.028 [0.71] | 0.239 [6.1] |
| 6 [19] | 1.502 [2.235] | 0.750 [19.1] | 0.44 [284] | 2.356 [59.8] | 0.525 [13.3] | 0.038 [0.97] | 0.286 [7.3] |
| 7 [22] | 2.044 [3.042] | 0.875 [22.2] | 0.60 [387] | 2.749 [69.8] | 0.612 [15.5] | 0.044 [1.12] | 0.334 [8.5] |
| 8 [25] | 2.670 [3.973] | 1.000 [25.4] | 0.79 [510] | 3.142 [79.8] | 0.700 [17.8] | 0.050 [1.27] | 0.383 [9.7] |
| 9 [29] | 3.400 [5.060] | 1.128 [28.7] | 1.00 [645] | 3.544 [90] | 0.790 [20.1] | 0.056 [1.42] | 0.431 [10.9] |
| 10 [32] | 4.303 [6.404] | 1.270 [32.3] | 1.27 [819] | 3.99 [101.3] | 0.889 [22.6] | 0.064 [1.63] | 0.487 [12.4] |
| 11 [36] | 5.313 [7.970] | 1.410 [35.8] | 1.56 [1006] | 4.43 [1125] | 0.987 [25.1] | 0.071 [1.8] | 0.540 [13.7] |
| Table 2: Tensile Requirements | |
|---|---|
| Grade 60 [420] | |
| Tensile Strength, min, psi [Mpa] | 80 000 [550] |
| Yield Strength, min, Psi [Mpa] | 60 000 [420] |
| Yield Strength, max, Psi [Mpa] | 78 000 [540] |
| Elongation in 8 in [203.2 mm], min %: | |
| Bar Designation Number | |
| 3, 4, 5, 6 [10, 13, 16, 19] | 14 |
| 7, 8, 9, 10, 11 [22, 25, 29, 32, 36] | 12 |
| Table 3: Bend Test Requirements | |
|---|---|
| Bar Designation Number | Pin Diameter for Bend Tests |
| Grade 60 [420] | |
| 3,4,5 [10, 13, 16] | 3½ d |
| 6,7,8 [19,22,25] | 5d |
| 9, 10, 11 [29, 32, 36] | 6d |
Strengthen Your Project with Top notch Steel
Deformed Bars
Steel bars with a patterned surface for better grip in concrete, used in construction for reinforced concrete structures.
Cold Twisted Bars
Steel bars that are twisted while cold to increase their strength, commonly used in construction for reinforcing concrete.
Heavy Round Bars
Thick, cylindrical steel bars used in various industrial and construction applications where high strength is required.
Structural Products
Steel products designed for use in building frameworks and supports, ensuring stability and strength in construction projects.
Structure Bar Sub-Categories
Griders , Square Bars , T. Iron , Flats Angle Irons , G. Rail , CGI Sheets
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01
Raw Material Sourcing
Sourcing raw materials like shredded steel, HMS (Heavy Melting Steel), plate, and structural steel from various countries.
02
Scrap Charging
Loading scrap metal into a re-melting furnace to begin the recycling and melting process.
03
Chemical Testing
Conducting chemical tests on samples during the melting process to ensure proper composition.
04
Metal Tapping
Pouring molten metal into a ladle from the furnace.
05
Casting Preparation
Moving the ladle to the Continuous Casting Machine (CCM) for the casting of billets.
06
Billet Stacking
Collecting billets and stacking them by heat for organization and further processing.
07
Final Chemical Testing
Performing a final chemical test on billets to confirm their composition before further processing.
08
Reheating
Feeding billets into the reheating furnace to prepare them for rolling.
09
Rolling Process
Rolling reheated billets into deformed bars through the rolling mill.
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10
Physical Testing
Conducting physical tests on the produced bars to ensure they meet quality standards.
11
Storage and Dispatch
Shifting finished deformed bars to storage or dispatching them for delivery.
Affiliations, certifications & standards
Rawalpindi Chamber of Commerce
Islamabad Chamber of Commerce
State Bank of Pakistan
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SECP
WAPDA
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ASHTO
ISO 9001 : 2000 Certified
ASTM A615/A615M
BS 4449
JIS 3112
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