A515 Grade 70 Carbon Steels Material
ASTM A515 Gr.70 CS vessel steel Plate is also known as ASME SA516 Gr.70 CS Plate. It is a medium carbon alloy that also contains certain amounts of manganese, phosphorus, sulfur, and silicon. It is primarily used for welded pressure vessels where improved notch toughness is required.
A515 Gr.70 HR Boiler Plate is a relatively thick, high-quality steel plate used in boiler construction. It is used to manufacture high-quality carbon steel plates with consistent, controlled properties designed to resist the internal pressure of pressure vessels, boilers, and valves
A515 grade 70 Pressure Vessel Steel Plate chemical composition
| Property | Value | Comment |
|---|---|---|
|
Carbon |
0.31 % |
max. | for thickness 5-25 mm |
|
0.33 % |
max. | for thickness 25-50 mm |
|
|
0.35 % |
max. | for thickness 50-80 mm |
|
|
Manganese |
1.2 % |
max. | for thickness 5-80 mm |
|
Phosphorus |
0.025 % |
max. | for thickness 5-80 mm |
|
Silicon |
0.15 - 0.4 % |
for thickness 5-80 mm |
|
Sulfur |
0.025 % |
max. | for thickness 5-80 mm |
a515 grade 70 vessel plate mechanical property
| Property | Value | Comment |
|---|---|---|
|
Elongation |
17 % |
min. | for thickness 5-80 mm | A8 | Transverse |
|
21 % |
min. | for thickness 5-80 mm | A2 | Transverse |
|
|
Tensile strength |
485 - 620 MPa |
for thickness 5-80 mm | Transverse |
|
Yield strength |
260 MPa |
min. | for thickness 5-80 mm | Transverse |
a515 grade 70 boiler plate dimensions chart
| 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 |
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