ASTM A387 Grade 5 Class 1 is a specific type of weldable alloy steel plate containing chromium and molybdenum, designed for boilers and pressure vessels requiring high-temperature service.
ASTM A387 Grade 5 Alloy Steel Plates Specifications:
| Specifications: | ASTM A387 / ASME SA387 |
|---|---|
| Thickness: | 1mm-300mm |
| Width: | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc |
| Length: | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc |
| Surface: | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish: | Hot rolled plate (HR), Cold rolled sheet (CR) |
| Form: | Coils, Foils, Rolls, Plain Sheet, Chequered Plates, Shim Sheet, Strip etc. |
ASTM A387 Grade 5 Alloy Steel Plates Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| Alloy Steel Gr 5 | 0.15 max | 0.30-0.60 | 0.5 max | 0.035 max | 0.030 max | 4.0 – 6.0 | 0.45 – 0.65 | - | - | |
ASTM A387 Grade 5 Cl. 1 Alloy Steel Plates Mechanical Properties
| Tensile (MPa) | 415 - 585 | |
| Yield (MPa) | 205 min | |
| Elongation (50mm) | 18% | |
| Reduction of Area | 45% | |
Primary Applications
Petrochemical Industry: Reactors, storage tanks, pipelines.
Power Generation: Boilers, steam drums, power plant components.
Chemical Processing: Chemical equipment, gas processing, separators.
Oil & Gas: Offshore drilling, high-pressure piping, condensers.
Other: Heat exchangers, nuclear reactor pressure vessels, pulp & paper industry equipment, marine applications.
If you have project requirements for A387 GRADE 5 Class 1, we welcome your inquiry. GNEE maintains a large inventory of commonly used high strength steel grades for your selection.For detailed mechanical properties, chemical composition, and technical data, as well as free samples, please contact our factory immediately. We offer competitive prices, stable quality, and professional service. Email:beam@gneesteelgroup.com.
1.What is A387 material?
A387 Grade 12 Class 2 is a high quality chrome molybdenum steel which is ideal for elevated temperature service and offers excellent anti corrosion characteristics. The steel has a wide range of uses including industrial boilers and pressure vessels, especially in environments where high temperature levels are common.
2.What is the ASTM A387 equivalent to?
817M40 STEEL.
Stainless Steel 410 Plates.
420J2 Stainless Steel Tube Corrosion Resistant.
SCALING RESISTANCE 446 STAINLESS ALLOY PLATE.
Stainless Steel Coil 316 316L 304 304L 310s.
SS 303 HEX BARS.
3.Is grade 2 better than grade 5?
Choose Grade 2 when corrosion resistance, weldability, and cost efficiency are most important. Choose Grade 5 when high strength, fatigue resistance, and performance in extreme conditions are critical.