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Technical conditions for plates of SA387Gr22CL2 us
Gloria Steel Limited
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发表于
13年12月4日
类别
钢
关键词
SA387Gr22CL2
Technical conditions
nuclear power plant
价格/单位
US $3,000.00 / 公吨
最少订货量
10.00 公吨
付款方式
L/C, T/T
产品产地
China
包装条件
Standard seaworthy export packing or as your requirement.
交货时间
30 天
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产品详细信息
Technical conditions for plates of SA387Gr22CL2 used for nuclear power plant
1. Scope
The technical conditions apply to plates of SA387Gr22CL2 used for nuclear power plant, equivalent to MPS-GDFT-CPR1000-Gr22-PL specification.
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 fo
r 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/+2.5mm
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
Grade Type C Si Mn P S Mo
SA387Gr22CL2 Ladle analysis 0.05- 0.15 Max 0.50 0.30- 0.60 Max 0.025 Max 0.010 0.87- 1.13
Product analysis 0.05- 0.15 Max 0.50 0.30- 0.60 Max 0.025 Max 0.015 0.87- 1.13
4.2 Steel making process: EAF+LF/VD
4.3 Mechanical properties
The mechanical properties of SA387Gr22CL2 shall meet the requirement as table 2&3.
Table 2 Tensile properties
Thickness mm Yield strength MPa Tensile strength MPa Elongation % High temp. 350C tensile test
8-120 Min 310 515-690 Min 18 Rp0.2>=185MPa
4.4 Impact properties
Impact test in the longitudinal and transverse for plates of SA387Gr22CL2 shall meet the requirements per table 3.
Table 3 Impact properties
Grade Sampling size Room temp. Transverse Akv(J)
SA387Gr22CL2 10x10x55 Min 45
7.5x10x55 Min 39
5x10x55 Min 30
4.5 SWHT: Simulated Post-Weld Heat Treatment of Mechanical Test Coupons shall be prepared in 600+/-10 C with min.5 minute per each mm of thickness.
4.6 Surface quality
The surface quality of plates shall be accordance with ASTM A20/A20M.
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公司详细资料
公司名称
Gloria Steel Limited
会员自
2013年10月23日
国家
China
列表
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描述
We're Gloria Steel from China and focusing on Iranian Oil and Gas fields services. Rely on our experienced processed tea...
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