SA516 Grade 70 pressure vessel steel plate is a carbon-manganese steel plate used for boilers, pressure vessels, storage tanks and heat exchangers. It is widely selected for pressure vessel quality applications requiring good weldability and notch toughness, especially in moderate and lower temperature service. SA516 Gr 70 plate can be supplied as normalized plate, cut plate or processed plate according to project requirements.

Materials can be cut to required sizes according to customer specifications or project needs.
Different surface finishes can be supplied according to product type and application requirements.
Processing services such as cutting, machining, heat treatment or surface finishing can be arranged upon request.
Products are packed for international transportation with flexible delivery support for global buyers.
For medium- and low-temperature pressure vessel, boiler, and storage tank structures.
Suitable for pressure vessels, boiler shells, gas storage tanks, oil and gas storage tanks, heat exchangers, LPG storage tanks, chemical equipment shells, etc. Ideal for pressure-bearing structures requiring good welding performance and stable impact toughness.|
Item |
Typical Information |
|
Product Name |
SA516 Grade 70 Pressure Vessel Steel Plate |
|
Standard |
ASTM A516 / ASME SA516 Grade 70 |
|
Product Form |
Plate, cut plate, processed plate |
|
Supply Condition |
As rolled or normalized, depending on thickness and order requirements |
|
MOQ |
Usually 1 plate / 1 ton, negotiable by stock |
|
Application |
Pressure vessels, boilers, tanks, heat exchangers |
|
Property |
Typical Requirement |
|
Tensile Strength |
485–620 MPa |
|
Yield Strength |
≥260 MPa |
|
Elongation |
Standard-dependent by thickness and gauge length |
|
Impact Test |
Available according to project requirement |
|
C |
Mn |
Si |
P |
S |
Note |
|
Up to about 0.22 depending on thickness |
0.85–1.20 / 1.00–1.70 depending on specification |
0.15–0.40 or standard limit |
≤0.025 / ≤0.035 depending on standard |
≤0.025 / ≤0.035 depending on standard |
Exact limits vary by thickness and specification edition |
Q: What is SA516 Gr70 plate used for?
A: SA516 Gr70 is a dedicated pressure vessel steel plate commonly used for industrial pressure vessels, oil and gas storage tanks, heat exchanger shells and chemical reactor structures.
Q: What is the heat treatment state of SA516 Gr70?
A: SA516 Gr70 steel plate is normally supplied in normalized condition to guarantee uniform grain structure, excellent low temperature toughness and stable welding performance for pressure equipment fabrication.
Q: What thickness range do you offer?
A: We supply SA516 Gr70 steel plates in thickness from 5mm to 200mm with complete width and length specifications. Custom cutting and tailored blank processing are supported.
Q: Why choose SA516 Gr70 for pressure vessel projects?
A: SA516 Gr70 has superior low temperature impact resistance and structural stability compared with ordinary carbon steel, which greatly improves operational safety for industrial pressure bearing equipment.
Q: Can you provide custom processed plate parts?
A: Yes. We provide professional flame cutting plasma cutting bending and machining services for SA516 Gr70 plates to deliver finished semi fabricated components for direct installation.