high pressure heater of SA387Gr11CL2

Gloria Steel Limited

  • high pressure heater of SA387Gr11CL20
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4-Dec-13
US $3,000.00 / MT
10.00 MT
L/C, T/T
Standard seaworthy export packing or as your requirement.
30 day(s).

Product Details

Technical conditions for Conventional Island high pressure heater of SA387Gr11CL2

1. Scope
The technical conditions apply to plates of SA387Gr11CL2 with thickness range 10mm-120mm used for Sanmen nuclear power station (AP1000).
2. Adopt standard:
ASME SA387/SA387M Specification for pressure vessel plates, alloy steel, Chromium-Molybdenum
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.
The thickness toleration: -0.25mm/+3.5mm
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)
Thickness
mm C Si Mn P S Ni Cu Cr Mo V NB
Ladle analysis 0.05- 0.17 0.50- 0.80 0.40- 0.65 Max 0.030 Max 0.020 Max 0.40 Max 0.20 1.00- 1.50 0.45- 0.65 Max 0.03 Max 0.02
Product analysis 0.04- 0.17 0.44- 0.86 0.35- 0.73 Max 0.030 Max 0.020 Max 0.43 Max 0.20 0.94- 1.56 0.40- 0.70 Max 0.04 Max 0.02

Note:
1) Ladle analysis sampling per furnace and product analysis per each PC finished product.
2) Mark “*” element V max 0.10% and Nb max 0.05% in the purchase order.

4.2 Steel making process: EAF+LF/VD
4.3 Mechanical properties
The mechanical properties of SA387Gr11CL2 shall meet the requirement as table 2&3.
Table 2 Tensile properties
Tensile TEMP Yield strength MPa Tensile strength MPa Elongation % Bend test
D=3a
Room Temp +20C Min 310 515-690 Min 22 180C un-cracked
High Temp tensile test Min 219 Min 400 Testing at +400 Celsius degree


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Business Details

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23-Oct-2013
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