SA516Gr70(similar to A516 grade 70) is a carbon steel plate for medium and low temperature pressure vessels. SA516Gr70 steel tensile strength is 70-90[485-620] ksi [MPa]. There are other three grades under ASME SA516 standard: SA516Gr55, SA516Gr60, and SA516Gr65.
For SA516Gr70 steel material, which is one of our most popular steels, the ASME standard composition is as follows (dependent on grade):
Carbon 0.27 - 0.31%
Manganese 0.79 - 1.3%
Phosphorous 0.035% max
Sulphur 0.035% max
Silicon 0.13 - 0.45%
ASME SA516Gr70 Carbon Steel Plates Size
Thickness: 3mm to 150mm
Width: 1500-3000mm
Length: 3000-12000mm
Production: hot rolled (HR), cold rolled (CR)
Heat treatment: rolled/ normalized / N+T/ QT
SA516Gr70 carbon steel plate is primarily intended for use in welded pressure vessels where notch toughness is important. It comes in four grades 55, 60, 65 & 70. At BBN Steel we mainly sell 516 gr 60 and 516 gr 70. These grades cover a range of tensile strengths from 55 - 90 MPa and this versatility explains much of the specifications popularity.
For SA516Gr70 plates thinner than 40mm we normally supply them as rolled. Plates supplied above 40mm thick are normalized.
