Products Description
ASTM A204 specification covers molybdenum-alloy steel plates, which is particularly for welded boilers and high temperature pressure vessels. GNEE is an experienced boiler and pressure steel plate supplier which can offer you ASTM A204 steel plate of all grade and dimension range.
ASTM A204 steel is intended particularly for welded boilers and others pressure vessels steel.
ASTM A204 Steel Standard: ASTM A204/A204M
ASTM A204 Steel Grades: A204 Grade A, A204 Grade B, A204 Grade C.
Thickness: 6mm to 150mm
Length: 3000mm to 15000mm
Width: 1500mm to 4050mm
Application: steel boiler plate, high temperature pressure vessel plate
ASTM A204 Chemical Composition
| Astm A204 Chemical Composition | ||||||
|---|---|---|---|---|---|---|
| Steel Grade | The Element Max (%) | |||||
| C | Si | Mn | P | S | Mo | |
| A204 Grade A | 0.18-0.25 | 0.13-0.45 | 0.90-0.98 | 0.035 | 0.035 | 0.45–0.60 |
| A204 Grade B | 0.20-0.27 | 0.13-0.45 | 0.90-0.98 | 0.035 | 0.035 | 0.45–0.60 |
| A204 Grade C | 0.23-0.28 | 0.13-0.45 | 0.90-0.98 | 0.035 | 0.035 | 0.45–0.60 |
ASTM A204 Mechanical Property
| Mechanical Property of ASTM A204 steel plate | Grade A | Grade B | Grade C |
|---|---|---|---|
| Tensile strength, kis [MPa] | 65-85 [450-585] | 70-90 [485-620] | 75-95 [515-655] |
| Yield strength, min, kis [MPa] | 37 [255] | 40 [275] | 43 [295] |
| Elongation in 8 in. [200 mm], min, % | 19 | 17 | 16 |
| Elongation in 2 in. [50 mm], min, % | 23 | 21 | 20 |
ASTM A204 equivalent steel grade
| JIS | DIN | EN | GB | |||||
| Grade | Standard Number | Grade | Material Number | Standard Number | Grade | Material Number | Standard Number | Grade |
| 16Mo | G3103 | 15 Mo3 | 1.5414 | DIN17155 | 16Mo3 | 1.5415 | EN 10028-2 | 16Mo |
GNEE is engaged in supplying all kinds of boiler steel and pressure vessels steel. Both ASTM A204 steel and ASTM A204 equivalent steel grades are available. GNEE also offer steel fabrication service where ASTM A204 steel plates and ASTM A204 equivalent steel plates can go through processings like cutting, drilling, welding, milling, machining as you require.
Email:alloy@gneesteelgroup.com
Whatsapp (WeChat) :+86 15824687445
FAQ
Q: What is ASTM a 204 material?
A: ASTM A204 specification covers molybdenum alloy steel plates, intended particularly for welded boilers and other pressure vessels. Plates under this specification are available in three grades having different strength levels: Grade A; Grade B; and Grade C. The steel shall be killed.
Q: What is ASTM A204 GR B material?
A: molybdenum alloy steel plates
ASTM A204 Grade B is used in fabricators serving industry, especially in the oil, gas and chemical supply markets. ASTM A204 specification covers molybdenum alloy steel plates, intended particularly for welded boilers and other pressure vessels.
| Other steel plate | ||||
| Name | Material | Specification (mm) | Tons | Remark |
| Low Alloy | Q345A, Q345B, Q345C, Q345D, Q345E, Q390, Q420, Q460C, ST52-3, S355J2+N, SS400, SA302GrC, S275NL, 35CrMo | 6 - 350 | 5788.56 | Normalizing, tempered ,controlled rolling, hot rolling , Hot rolling,1st inspection, 2nd inspection, 3rd inspection |
| Pressure Vessel Plate | Q245R, Q345R, Q370R, 16MnDR, 09MnNiDR, 15CrMoR, 14Cr1MoR, 12Cr2Mo1R, SA516Gr60, SA516Gr70, SA516Gr485, SA285, SA387Gr11, SA387Gr12, SA387Gr22, P265,P295,P355GH,Q245R(R-HIC),Q345R(R-HIC) | 3 - 300 | 8650 | Normalizing, tempered ,controlled rolling, hot rolling , Hot rolling,1st inspection, 2nd inspection, 3rd inspection |
| High-Strength Plate | WH785D/E,Q960D/E, Q890D/E,WH60D/E,WH70B,Q550D,Q590D,Q690D/E | 8 - 120 | 3086.352 | Quenched and tempered |
| Wear-Resistant Plate | NM360, NM400, NM450, NM500 | 6 - 150 | 3866.297 | Quenched and tempered |
| Bridge Plate | Q235qC, Q345qC, Q370qC, Q420qC, Q345qDNH, Q370qDNH, A709 - 50F - 2, A709 - 50T - 2 | 8 - 200 | 2853.621 | Hot rolling, normalized ,hot rolling controlled rolling, quenched and tempered + toughness and brittleness |
