SA516 Grade 70: Carbon Steel Pressure Vessel Plate for ASME Code
ASME SA516 / ASTM A516 Gr70 · Published: 2026-06-02 · Updated: 2026-06-02
SA516 Grade 70 is the most widely specified pressure vessel carbon steel. Silicon-killed fine-grain practice ensures notch toughness. Normalized (+N) variant for service below -29°C. Every ASME pressure vessel fabricator stocks SA516-70. PWHT:...
SA516 Grade 70 is the most widely specified pressure vessel carbon steel. Silicon-killed fine-grain practice ensures notch toughness. Normalized (+N) variant for service below -29°C. Every ASME pressure vessel fabricator stocks SA516-70. PWHT: 595°C minimum per ASME Section VIII.
Quick Facts
| Category | Carbon Steel |
| Standard | ASME SA516 / ASTM A516 Gr70 |
| Density | 7850 kg/m³ |
| Yield Strength | 260 MPa |
| Tensile Strength | 485-620 MPa |
Global Equivalents & Cross-Reference
Related Materials
🧮 Material Weight Calculator
Calculate the weight based on this material's density: 7850 kg/m³
Frequently Asked Questions
SA516-70 vs A36?
SA516-70 is killed steel with guaranteed notch toughness — required for ASME pressure vessels. A36 is not killed, has no toughness guarantee. SA516-70 costs ~20-30% more.
References & International Standards
- ASTM International. Standard Specifications for Steel & Metal Alloys. astm.org
- International Organization for Standardization (ISO). Metallic Materials — Cross-Reference Database. iso.org
- American Iron and Steel Institute (AISI). Steel Grade Designations & Equivalents. steel.org
- European Committee for Standardization (CEN). EN Steel Standards & Numbering System. cencenelec.eu