ASTM A516 GR55 NACE HIC Steel Plate

ASTM A516 GR55 NACE HIC Steel Plate: Your Trusted Solution for Pressure Vessels

For industries requiring reliable materials for pressure vessels in challenging environments, ASTM A516 GR55 NACE HIC steel plate stands out as a high-performance option.

At Gangsteel, we are a premier ASTM A516 GR55 NACE HIC steel plate supplier, delivering top-quality A516 Gr55 plate designed for moderate and low-temperature applications with exceptional resistance to corrosive conditions. This article explores the features, benefits, applications, and equivalent grades of this pressure vessel steel plate for sour gas environments.

1. Introduction to ASTM A516 GR55 NACE HIC Steel Plate

The ASTM A516 GR55 specification defines carbon steel plates used in pressure vessels for moderate and lower-temperature services. When enhanced with NACE (National Association of Corrosion Engineers) and HIC (Hydrogen Induced Cracking) compliance, this boiler quality steel plate for oil and gas is optimized for environments with high hydrogen sulfide (H2S) content, making it a top choice for ASTM A516 GR55 NACE HIC steel plate for petrochemical applications. Plates up to 40mm thick are typically supplied as-rolled, while those over 40mm are normalized to ensure superior performance.

2. Key Features of ASTM A516 GR55 NACE HIC Steel Plate

The A516 Gr55 plate is engineered for durability and reliability in demanding conditions:

• HIC Resistance: Specifically tested to resist Hydrogen Induced Cracking, ensuring safety in sour gas environments.
• NACE MR0175/ISO 15156 Compliance: Meets stringent standards for use in H2S-rich, corrosive environments.
• Excellent Weldability: Low carbon content allows for easy welding and fabrication, ideal for pressure vessel steel plate for sour gas environments.
• High Toughness: Maintains structural integrity in low-temperature conditions, suitable for boiler quality steel plate for petrochemical applications.
• Flexible Dimensions: Available in thicknesses from 6mm to 300mm, widths from 1500mm to 4050mm, and lengths from 3000mm to 15000mm.

3. Chemical Composition of ASTM A516 GR55

The chemical composition of ASTM A516 GR55 NACE HIC steel plate is carefully controlled to ensure optimal performance:

• Carbon (C): ≤ 0.24% (for thickness <12.5mm), ≤ 0.26% (12.5-50mm), ≤ 0.28% (50-100mm), ≤ 0.29% (100-200mm and >200mm)
• Silicon (Si): 0.13-0.45%
• Manganese (Mn): 0.79-1.30%
• Phosphorus (P): ≤ 0.035%
• Sulfur (S): ≤ 0.035%

Carbon Equivalent (Ceq): Calculated as C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15 %

This composition ensures the plate’s suitability for ASTM A516 GR55 NACE HIC steel plate for oil and gas applications.

4. Mechanical Properties of ASTM A516 GR55

The mechanical properties of the boiler quality steel plate for oil and gas ensure reliability:

• Thickness 6-50mm: Yield Strength ≥ 205 MPa, Tensile Strength 380-515 MPa, Elongation ≥ 27%
• Thickness 50-200mm: Yield Strength ≥ 205 MPa, Tensile Strength 380-515 MPa, Elongation ≥ 23%

These properties make the plate ideal for pressure vessel steel plate for petrochemical applications requiring strength and flexibility.

5. Equivalent Grades of ASTM A516 GR55

The ASTM A516 GR55 NACE HIC steel plate is compatible with several international standards, ensuring versatility for global projects:

• Germany: E St E315
• Italy: Fe 460-2-KG
• Sweden: SS29,12,01

These equivalent grades make the A516 Gr55 plate a flexible choice for ASTM A516 GR55 NACE HIC steel plate suppliers serving diverse markets.

6. Applications of ASTM A516 GR55 NACE HIC Steel Plate

The ASTM A516 GR55 NACE HIC steel plate is widely used in industries requiring robust materials for corrosive environments:

• Oil and Gas: For pipelines, storage tanks, and pressure vessels exposed to sour gas, ideal for pressure vessel steel plate for oil refineries.
• Petrochemical Industry: In reactors, heat exchangers, and columns handling corrosive chemicals.
• Power Generation: For boilers and steam drums operating under moderate pressure and temperature.
• Chemical Processing: In equipment exposed to aggressive substances, reinforcing its role as a boiler quality steel plate for sour gas environments.
• Marine and Offshore: For structures requiring resistance to hydrogen-induced cracking in harsh marine conditions.

7. Supplementary Testing for Quality Assurance

Gangsteel ensures that every A516 Gr55 plate meets rigorous standards through supplementary tests:

• HIC Testing: Verifies resistance to Hydrogen Induced Cracking in sour gas environments.
• NACE MR0175 Compliance: Confirms suitability for H2S-rich environments.
• Ultrasonic Testing: Detects internal defects to ensure structural integrity.
• Additional Tests: Includes Z15, Z25, Z35, S1, S2, S3, S4.1, S5, S6, S7, S8, S9, S11, S12, S14, and S17, as per ASTM A516 standards.

These tests position Gangsteel as a trusted ASTM A516 GR55 NACE HIC steel plate supplier for critical applications.

8. Why Choose Gangsteel for ASTM A516 GR55 NACE HIC Steel Plates?

As a leading boiler quality steel plate for oil and gas supplier, Gangsteel offers:

• Superior Quality: Rigorous testing ensures compliance with ASTM, NACE, and HIC standards.
• Global Export: Efficient logistics for worldwide delivery of pressure vessel steel plate for sour gas environments.
• Customization: Tailored sizes and specifications to meet project requirements.
• Competitive Pricing: Cost-effective solutions without compromising quality.
• Expert Support: Technical guidance to select the right ASTM A516 GR55 NACE HIC steel plate for petrochemical applications.

9. Conclusion

The ASTM A516 GR55 NACE HIC steel plate is a reliable and versatile material for pressure vessels in corrosive and sour gas environments. Its HIC resistance, NACE compliance, and excellent mechanical properties make it a preferred choice for industries like oil and gas, petrochemical, and power generation. Gangsteel, as a trusted ASTM A516 GR55 NACE HIC steel plate supplier, delivers high-quality A516 Gr55 plate tailored to your needs.

For more information or to request a quote, visit our product page or contact our team for personalized support. Choose Gangsteel for dependable boiler quality steel plate for sour gas environments and elevate your project’s performance.