Technical conditions for plates of SA299GrB

Gloria Steel Limited

  • Technical conditions for plates of SA299GrB0
箭头游标移动至图片该处可放大
13年12月4日
US $3,000.00 / 公吨
10.00 公吨
L/C, T/T
Standard seaworthy export packing or as your requirement.
30 天

产品详细信息

Technical conditions for plates of SA299GrB

1. Scope
The technical conditions apply to plates of SA299GrB with thickness range 25mm-200mm for weldable boiler and other pressure vessel tank.
2. Adopt standard:
ASME SA299/SA299M Standard Specification for Pressure Vessel Plates, Carbon Steel, Manganese-Silicon
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 Stee
l 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 mm/+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 Mo V Cr
Ladle analysis Max 0.28 0.15- 0.40 0.90- 0.50 Max 0.020 Max 0.010 Max 0.25 Max 0.12 Max 0.03 Max 0.25
Product analysis Max 0.28 0.13- 0.45 0.84- 1.62 Max 0.025 Max 0.015 Max 0.25 Max 0.12 Max 0.03 Max 0.25
Note: Cu+Ni+Cr+Mo+V =< 0.70%

4.2 Steel making process: EAF+LF/VD
4.3 Mechanical properties
The SWHT mechanical properties of SA299GrB shall meet the requirement as table 2&3&4.
Table 2 Tensile properties
Thickness mm Yield strength MPa Tensile strength MPa Elongation % Bend test
D=4a
25-200 Min 310 550-690 Min 19 180C un-cracked

4.4 Impact properties
Impact test in the longitudinal and transverse for plates of SA299GrB shall meet the requirements per table 3.
Table 3 Impact properties
Charpy-V Impact
Test temp.
Celsius degree Transverse
Average impact energy
0 C Min 27J

4.5 Minimum values for the proof strength Rp0.2 at elevated temperatures shall meet the requirements per table 4.
Table 4 Tensile properties
Test TEMP Thickness mm 200C 250C 300C 350C 375C 400C


查看更多

相关证明的文件

没有发现相关证明的文件。

公司详细资料

2013年10月23日
We're Gloria Steel from China and focusing on Iranian Oil and Gas fields services. Rely on our experienced processed tea...
分享此页