ASTM A302/A302M specification covers manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates intended particularly for welded boilers and other pressure vessels. ASTM A302 is a kind of low alloy steel specification covers 4 different grades(A, B, C, D), Grade C and D.
ASTM A302/A302M Gr A/B/C/D Alloy Boiler Plate is manufactured for Pressure Vessel, Boiler, Storage Tanks and Heat Exchanger in Oil, Gas Project.
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% | |||
GNEE STEEL is professional manufacturer and exporter of ASTM A302/A302M Gr A/B/C/D Alloy Boiler Plate ,over 500 countries.

1.Q: Are you a factory or trading company?
A:We are manufacture factory. And you are welcomed to visit us for inspection. The quality control flow will show you our professional. Also you will enjoy the best price and competitive price.
2.Q: How long is your delivery time?
A:Generally it is within 2-30 days.
3.Q: How do you guarantee the quality of the products?
A:Strict product quality control, quality makes the future.This is the tenet of our factory. Each product from our factory has strict testing procedures, and must be 100% quality before delivery.
4.Q: what can you buy pressure vessel plates from us?
A:
|
GB |
Q245R,Q345R,Q370R,Q420R,18MnMoNbR,13MnNiMoR,15CrMoR,14Cr1MoR,12Cr2Mo1R,12Cr1MoVR,12Cr2Mo1VR,07Cr2AlMoR |
|
EN |
P265GH,P295GH,P275NH,P355GH,P355NH,P355NL,P460NH |
|
ASME |
SA515Gr60/65/70,SA516Gr60/65/70,SA285GrC,A537CL,SA662GrC,SA299A/B,SA203E/D |
|
JIS |
SB410,SPV355,SB450 |
|
DIN |
19Mn6,15Mo3 |
5.Q: Can I get some samples?
A: We are glad to provide free samples to you, but we do not offer the freight.
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