产品详细信息
Technical conditions for plates of SA516Gr65 HIC
1. Scope
The technical conditions apply to plates of SA516Gr65 HIC with thickness range 100mm-240mm use of GASCO project.
2. Adopt standard:
ASME SA516/SA516M-10 Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service
ASME SA20/SA20M Standard Specification for General Requirements for Steel Plates for Pressure Vessels
ASME SA370 Standard Test Methods and Definitions for Mechanical Testing of Steel Products
3. Dimension, Shape, Weight and Permissible Deviation
The dimension, shape, weight and permissible deviation shall meet the requirements of ASME SA20/SA20M.
4. Technical conditions
4.1 Chemical composition (Ladle analysis)
The chemical composition of plates shall be accordance with the following table 1.
Table 1 Chemical composition (Ladle analysis)
Grade Thickness
mm C Si Mn P S Alt Nb Ca
SA516Gr65
HIC Ladle analysis Max 0.21 0.15- 0.40 0.85- 01.20 Max 0.010 Max 0.002 Max 0.05 Max 0.020 Max 0.006
Product analysis Max 0.21 0.13- 0.45 0.79- 1.30 Max 0.010 Max 0.002 Max 0.05 Max 0.020 Max 0.006
Grade Thickness
mm B V Cr Mo Ti Ni CEq
SA516Gr65
HIC 8-12.5 Max 0.0005 Max 0.005 Max 0.3 Max 0.12 Max 0.02 Max 0.40 Max 0.43
12.6-76 Max 0.0005 Max 0.005 Max 0.3 Max 0.12 Max 0.02 Max 0.40 Max 0.43
4.1.1 Carbon equivalent shall be calculated as follows:
CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)
4.1.2 Nb+V =<0.02%, Cr+Mo =<0.30%, Ni+Cu+Mo =<0.70%
4.1.3 2=< Ca/S <4
4.2 Steel making process: EAF(+Ca)+LF/VD+（ESR customer request）
4.3 Tensile properties
The SWHT properties of SA516Gr65 HIC shall meet the requirement as table 2&3.
Table 2 Tensile properties
Thickness mm Yield strength MPa Tensile strength MPa Elongation %
100-240 Min 240 450-585 Min 23
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