ASTM A302/A302M-17(2022) PDF
What is ASTM A302?
This specification covers manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates intended particularly for welded boilers and other pressure vessels.
ASTM A302 Chemical Composition:
| ASTM A302 Chemical Composition | |||||||
|---|---|---|---|---|---|---|---|
| Steel Grade | The Element Max (%) | ||||||
| C | Si | Mn | P | S | Mo | Ni | |
| A302 Grade A | 0.20-0.25 | 0.13–0.45 | 0.87–1.41 | 0,035 | 0,035 | 0.41–0.64 | |
| A302 Grade B | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | |
| A302 Grade C | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | 0.37-0.73 |
| A302 Grade D | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | 0.67-1.03 |
ASTM A302 Mechanical Property:
| Steel Grade | ASTM A302 Mechanical Property | |||
|---|---|---|---|---|
| Thickness | Yield | Tensile | Elongation | |
| A302 Grade A | mm | Min Mpa | Mpa | Min % |
| 6-50 | 310 | 515-655 | 19% | |
| 50-200 | 310 | 515-655 | 15% | |
| A302 Grade B | 6-50 | 345 Mpa | 550-690 Mpa | 18% |
| 50-200 | 345 Mpa | 550-690 Mpa | 15% | |
| A302 Grade C | 6-50 | 50 [345] | 80-100kis [550-690]Mpa | 17% |
| 50-200 | 20% | |||
What is ASTM A302 Material equivalent to?
ASTM A302 Equivalent steel grade:
| Steel Grade | Europe | Germany | France | Italy | U.K. |
|---|---|---|---|---|---|
| ASTM A302 Gr. A,B | 14Cr Mo 45 | 13 Cr Mo 44 | 15 CD 4.05 | 14 Cr Mo 46 | 620 Gr.27,31 |
ASTM A302 Alloy Steel vs. EN 1.4310 Stainless Steel
Both ASTM A302 alloy steel and EN 1.4310 stainless steel are iron alloys. There are 31 material properties with values for both materials.
ASTM A302 Alloy Steel, Grade B
Alloy Steel, Grade B, Mn-Mo-Ni alloy steel plates for boilers and other pressure vessels.
