ASTM A662 Grade C Corrosion-Resistant Alloy Steel Plate for Petrochemical Equipment
ASME SA662 / ASTM A662 alloy steel plates are produced with high-strength materials and used in pressure vessels and boilers. Trusted supplier.
- Superior High-Temperature Resistance — Maintains strength and toughness under elevated temperatures for pressure vessel applications.
- Excellent Corrosion and Wear Resistance — Suitable for harsh industrial environments like petrochemical and power plants.
- Multiple Grade Options — Available in Grades A, B, C, and D to meet diverse engineering and project requirements.
SA662/A662 Steel Plate Description
ASME SA662 / ASTM A662 alloy steel plates supplied by our company are engineered for high-temperature resistance and excellent corrosion protection. These plates are widely used in pressure vessels, boilers, and petrochemical equipment, providing durability and safety under demanding conditions. Available in various grades (A, B, C, D) and thicknesses, we offer customized solutions for manufacturers, EPC contractors, and distributors. As a trusted steel plate supplier, we ensure bulk supply, competitive pricing, and timely delivery to meet global industrial needs.
| ASME SA662 ASTM A662 Steel Plate Chemical Composition | ||||
| Element | Grade A | Grade B | Grade C | Grade D |
| Carbon (C) | 0.15 – 0.25 | 0.15 – 0.25 | 0.15 – 0.25 | 0.15 – 0.25 |
| Manganese (Mn) | 0.60 – 1.00 | 0.60 – 1.00 | 0.60 – 1.00 | 0.60 – 1.00 |
| Phosphorus (P) | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| Silicon (Si) | 0.10 – 0.35 | 0.10 – 0.35 | 0.10 – 0.35 | 0.10 – 0.35 |
| Nickel (Ni) | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 |
| Chromium (Cr) | ≤ 0.30 | ≤ 0.30 | ≤ 0.30 | ≤ 0.30 |
| Copper (Cu) | ≤ 0.30 | ≤ 0.30 | ≤ 0.30 | ≤ 0.30 |
| ASME SA662 ASTM A662 Steel Plate mechanical properties | ||||
| Property | Grade A | Grade B | Grade C | Grade D |
| Yield Strength (MPa) | ≥ 205 (30 ksi) | ≥ 205 (30 ksi) | ≥ 205 (30 ksi) | ≥ 205 (30 ksi) |
| Tensile Strength (MPa) | 415 – 550 (60–80 ksi) | 415 – 550 (60–80 ksi) | 415 – 550 (60–80 ksi) | 415 – 550 (60–80 ksi) |
| Elongation (%) | ≥ 23% | ≥ 23% | ≥ 23% | ≥ 23% |
| Charpy V-notch (J) | 27 J @ -29°C (20 ft·lbs) | 27 J @ -29°C (20 ft·lbs) | 27 J @ -29°C (20 ft·lbs) | 27 J @ -29°C (20 ft·lbs) |
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ASME SA662/ ASTM A662 pressure vessel steel Application
- Pressure Vessels and Boilers: Ideal for components exposed to elevated temperatures and pressures in power plants and industrial boilers.
- Petrochemical Industry: Used in storage tanks, reactors, and piping systems requiring resistance to corrosive environments.
- Power Generation Equipment: Suitable for turbine casings, heat exchangers, and other high-stress parts.
- Chemical Processing Plants: Applied in vessels and equipment handling aggressive chemicals and high temperatures.
Shipbuilding: Used in marine pressure systems where strength and corrosion resistance are critical.
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ASME SA662 Steel Plate FAQs
What industries commonly use ASME SA662 / ASTM A662 steel plates?
They are widely used in power plants, petrochemical, chemical processing, and marine industries for pressure vessels and boilers.
What grades are available in ASME SA662 / ASTM A662?
Grades A, B, C, and D are offered, each with specific mechanical and chemical properties to meet different requirements.
Can these steel plates be customized by size and thickness?
Yes, we provide tailored cutting and thickness options to fit your project specifications.
Do ASME SA662 / ASTM A662 plates come with certification?
All plates come with Mill Test Certificates (MTC) and can include third-party inspection reports upon request.
