As the name suggests, Carbon steel alloys contain a significant content of carbon in their chemical composition. Generally, on the basis of the percentage of carbon, the alloys are classified into three carbon steel classes. In order to better the quality of the material i.e. ASTM A516 Gr 70 Carbon Steel Sheet, manufacturers follow specifications as a guideline for their production. This specification deals with Sa515 Gr 70 Bq Plates and sheets that will be welded in the future to make pressure vessels. Since the pressure vessels are produced from welded ASTM A516 Gr 70 Sheet, they are required to demonstrate an improvement over their previous notch toughness. This is an important characteristic for ASTM A515 Grade 70 Carbon Steel Pressure Vessel Plates because notch toughness is an indicator of the potential of an alloy, which in this case is carbon steel to absorb energy (heat) in the presence of either a stress concentrator or a notch.
The specification mentions four grades i.e. grade 55, grade 60, grade 65, as well as ASTM A515 Gr 70 Plates. As with most specifications, certain tests are carried out on the component to determine its values including elongation, tensile strength, and yield strength. Hence, a tension carried out on the Sa 515 Gr 70 Boiler & Pressure Vessel Steel Plates give appropriate values for the parameters mentioned above. A point mentioned by the specification with regards to the steel is that the Lower Temperature Carbon Steel Grade 70 Plate must be produced from killed steel. This means that before being cast, a casting agent is added to the melt to completely de-oxidize or eliminate the presence of oxygen in the alloy of the A515 Grade 70 Carbon Steel Plate. Using killed steel has its own benefits. First, the melt is a homogenous mixture, and so the test sample will yield similar results. And second, the ASTM A 515 Gr 70 Cs Plate lacks porosity in the internal area.
| Specifications | ASTM A516 |
| Thickness | 8 – 100 mm |
| Width | 1500 – 3500 mm |
| Length | 3000 – 8000 mm |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hairline, sandblast, Brush, etching, etc |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR) |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip etc. |
| Size (in inches) | Size (in mm) |
|---|---|
| .125 | 3.18 |
| .134 | 3.40 |
| .156 | 3.96 |
| .187 | 4.75 |
| .250 | 6.35 |
| .312 | 7.92 |
| .375 | 9.53 |
| .500 | 12.7 |
| .600 | 15.9 |
| .750 | 19.1 |
| .875 | 22.2 |
| 1 | 25.4 |
| 1.125 | 28.6 |
| 1.250 | 31.8 |
| 1.500 | 38.1 |
| 1.750 | 44.5 |
| 2 | 50.8 |
| 2.500 | 63.5 |
| 3 | 76.2 |
| Thickness Chart in Inches | Plate Weight per Unit Area | Density |
|---|---|---|
| 3/16 | 0.06000 lbs/in²42.184176 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/4 | 0.08 lbs/in²56.245568 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/8 | 0.121 lbs/in²85.0714216 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/2 | 0.161 lbs/in²113.1942056 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 5/8 | 0.196 lbs/in²137.8016416 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/4 | 0.235 lbs/in²165.221356 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 7/8 | 0.274 lbs/in²192.6410704 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 | 0.313 lbs/in²220.0607848 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/4 | 0.391 lbs/in²274.9002136 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/2 | 0.47 lbs/in²330.442712 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 3/4 | 0.549 lbs/in²385.9852104 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 | 0.627 lbs/in²440.8246392 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/4 | 0.705 lbs/in²495.664068 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/2 | 0.784 lbs/in²551.2065664 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 3/4 | 0.862 lbs/in²606.0459952 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3 | 0.941 lbs/in²661.5884936 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| Thickness in Inches | Widths | Lengths | Lbs/Sft |
|---|---|---|---|
| 3/16 | 48, 60, 72, 84, 96 | 96, 120, 124,133, 144, 156, 240 | 7.660 |
| 1/4 | 48, 60, 72, 84, 96 | 96,110, 120, 144, 240 | 10.210 |
| 5/16 | 48, 60, 72, 96 | 96, 120, 240 | 12.760 |
| 3/8 | 48, 60, 72, 84, 96 | 96, 120, 144, 169, 240, 260 | 15.320 |
| 7/16 | 96 | 240 | 17.870 |
| 1/2 | 48, 60, 72, 84, 96 | 96, 120, 144, 240 | 20.420 |
| 5/8 | 48, 96, | 120, 240, 480 | 25.530 |
| 3/4 | 48, 72, 84, 96 | 96, 120, 240, 480 | 30.630 |
| 7/8 | 96 | 240 | 35.740 |
| 1 | 48, 72, 96 | 96, 120, 240, 480 | 40.840 |
| 1 1/8 | 96 | 240 | 45.950 |
| 1 1/4 | 48, 96 | 96, 120, 240 | 51.050 |
| 1 3/8 | 96 | 240 | 56.160 |
| 1 1/2 | 96 | 120, 240 | 61.260 |
| 1 5/8 | 96 | 240 | 66.370 |
| 1 3/4 | 96 | 240 | 71.470 |
| 2 | 96 | 120, 240 | 81.680 |
| 2 1/4 | 96 | 240 | 91.890 |
| 2 1/2 | 96 | 240 | 102.100 |
| 2 3/4 | 96 | 240 | 112.310 |
| 3 | 96 | 240 | 122.520 |
| 3 1/4 | 96 | 144 | 132.730 |
| 3 1/2 | 96 | 120 | 142.940 |
| 3 3/4 | 96 | 120 | 153.150 |
| 4 | 96 | 144, 180 | 163.360 |
| 4 1/4 | 96 | 120 | 173.570 |
| 4 1/2 | 96 | 120 | 183.780 |
| 5 | 96 | 144 | 204.200 |
| 6 | 96 | 120 | 245.040 |
| 7 | 96 | 160 | 285.880 |
| Grade | Thickness | Yield | Tensile | Elongation |
| A516 Grade 70 | 6-100mm | MPa -260 min | MPa – 485-620 | 17-21% |
| Grade | C | Mn | P | S | Si |
| A516 Grade 70 | 0.27-0.31 | 0.79 – 1.30 | 0.035 max | 0.035 max | 0.13-0.45 |
| Material | SA 516 Gr. 70 Plate Price per kg in India |
|---|---|
| ASTM A516 Gr. 70 Steel Sheet | $1,500.00-$2000.00 / Kg |
| ASTM A516 Grade 70 Steel Plate | $750.00-$1,000.00 / Kg |
| British Standard | European Norm | ASTM/ASME | DIN |
|---|---|---|---|
| BS1501-224-490A/B | EN10028 P355GH | A/SA516 - Grade 70 | - |
| Astm A515 Gr 70 Plates | South Africa, Bahrain, Singapore, Singapore |
| Astm A 515 Gr 70 Cs Plate | Philippines, UK, Australia, Nigeria |
| A515 Gr.70 Hr Boiler Plates | Oman, UAE, Hong Kong, Malaysia |
| Sa 515 Gr 70 Boiler & Pressure Vessel Steel Plates | Chile, Singapore, Iran, Italy |
| Astm A515 Grade 70 Carbon Steel Pressure Vessel Plates | United Arab Emirates (UAE), Norway, Turkey, Malaysia |
| A515 Grade 70 Carbon Steel Plate | United Kingdom -UK, Malaysia, Europe, UAE |
| Lower Temperature Carbon Steel Grade 70 Plate | Dammam -KSA, Belgium, Philippines, Indonesia. |
| 20x8x16mm Prime Hot Rolled Carbon Steel Plate A516 Gr 70 | Qatar, Thailand, Europe, France. |
| A516 Gr.60/70 Hot Rolled Carbon Boiler Steel Plate/sheet | Malaysia, Thailand, Germany, Czechia |
| A516 Gr 70 Hot Rolled Carbon Mild Steel Steel Sheet | Finland, Bangladesh, Malaysia, USA |
| 3mm 16mm Thick Steel Sheet Plate A516 Gr 70 | Saudi Arabia (KSA), Kuwait, South Africa, Brazil |
| 0.12- 4.0mm Sheet Metal Rolls Cr Steel Plate Cold Draw Low Carbon Strips | Netherlands, Russia, Malaysia, Dubai |
| 60mm Thick Hot Rolled Carbon Steel Plate Price A516 Gr 70 | Egypt, UK, Mexico, Spain |
| Carbon Steel Astm A516 Grade 70 Pressure Vessel Plates | UK, Ellington -United States, Poland, Canada |
| Astm A516 Gr.70 Sheet Metal | Canada, Malaysia, Philippines, Singapore |
| Astm A516 Gr 70 Carbon Steel Plate | Japan, Romania, Europe, Malaysia |
| 2-50mm Carbon Steel Plate Price A516 Gr 70 | Sweden, China, Malaysia, Colombia |