ASTM A516 Grade 70 Plate Manufacturer, Supplier & Exporter in India
ASTM A516 Grade 70 Plates supplied by Astromet Steel & Engineering are high-quality pressure vessel steel plates specifically designed for moderate to low-temperature service. These plates are widely recognized for their excellent notch toughness, strength, and reliability in pressure-retaining applications.
Grade 70 Plates offer higher tensile and yield strength compared to other A516 grades, making them suitable for demanding pressure environments. Their balanced chemical composition ensures excellent resistance to cracking under stress and temperature fluctuations.
Astromet Steel & Engineering supplies ASTM A516 Gr.70 plates manufactured in strict compliance with ASTM standards. Each plate undergoes rigorous inspection, including chemical analysis, mechanical testing, and ultrasonic examination to ensure safety and long-term performance.
Due to their superior mechanical properties and weldability, ASTM A516 Grade 70 Plates are extensively used in critical industries where pressure integrity and durability are essential.
ASTM A516 Grade 70 Plate Specifications
| Parameter | Details |
|---|---|
| Standard | ASTM A516 / ASME SA516 |
| Grade | Grade 70 |
| Product Form | Carbon Steel Plate |
| Thickness Range | 6 mm – 200 mm |
| Width | Up to 3000 mm |
| Length | Up to 12000 mm |
| Heat Treatment | Normalized / As Rolled |
| Impact Testing | Optional (as per requirement) |
| Inspection | EN 10204 3.1 / 3.2 |
| Application | Pressure Vessels & Boilers |
ASTM A516 Grade 70 Plate Chemical Composition
| Chemical Composition | Maximum C % for thickness t (mm) | Mn % for thickness t (mm) |
Si % | P % max | S % max | ||||
|---|---|---|---|---|---|---|---|---|---|
| 6-12.5mm | 12.5-25mm | 25-50mm | >50mm | ≤12.5mm | >12.5mm | ||||
| A516 Gr55 | 0.18 | 0.20 | 0.22 | 0.25 | 0.55-0.98 | 0.60-1.30 | 0.13-0.45 | 0.035 | 0.035 |
| A516 Gr60 | 0.21 | 0.23 | 0.23 | 0.25 | 0.6-0.9 | 0.80-1.20 | 0.13-0.45 | 0.035 | 0.035 |
| A516 Gr65 | 0.24 | 0.26 | 0.26 | 0.28 | 0.85-1.20 | 0.85-1.20 | 0.13-0.45 | 0.035 | 0.035 |
| A516 Gr70 | 0.27 | 0.28 | 0.28 | 0.30 | 0.85-1.20 | 0.85-1.20 | 0.13-0.45 | 0.035 | 0.035 |
ASTM A516 Grade 70 Plate Mechanical Properties
| Mechanical Property | Tensile strength (MPa) |
Minimum yield strength (MPa) |
Minimum elongation (%) gauge length | |
|---|---|---|---|---|
| 50mm | 200mm | |||
| A516 Gr55 | 380-515 | 205 | 27 | 23 |
| A516 Gr 60 | 415 – 550 | 220 | 25 | 21 |
| A516 Gr65 | 450 – 585 | 240 | 23 | 19 |
| A516 Gr70 | 485 – 620 | 260 | 21 | 17 |
Why Choose Astromet Steel & Engineering?
✔ Trusted supplier of ASTM A516 Grade 70 plates
✔ Strict ASTM / ASME compliance
✔ Custom sizes, cutting & bulk supply
✔ Export-quality packaging with complete MTC
ASTM A516 Grade 70 Carbon Steel Plate Usage & Applications
ASTM A516 Grade 70 Carbon Steel Plates are widely used in pressure vessels, boilers, storage tanks, heat exchangers, refineries, petrochemical plants, oil & gas processing units, and power generation equipment. They are ideal for applications requiring high strength and resistance to pressure-induced stress.