-
Steel grating plate is made of flat steel in accordance with a certain distance and twisted square steel cross arrangement, with pressure welding machine or artificial welding. The surface after hot dip galvanized or plastic spray treatment, so as to achi2021-09-17
-
According to preliminary statistics provided by the Brazilian ministry of development, industry and foreign trade, in December 2012 Brazil's flat steel exports totaled 208,581 tonne rising by 15.8% YoY and down 6.5% from November 2012. Brazilian flat2019-11-06
-
Forbes reported that the Chinese economy is improving the nations leading steel companies reported profits in November for the first time in 4 months. Statistics from the China Iron and Steel Association showed that the biggest steel firms there have2019-11-06
-
Indias minister of steel Mr Beni Prasad Verma congratulated the Indian steel industry on being the number one in terms of growth rate in steel production amongst the top ten steel producing countries. Congratulating the Steel Industry he said, I take2019-11-06
-
The Express Tribune reported that gas shortages have pushed a number of steel mills in sectors I - 9 and I - 10 to using coal, increasing the level of pollution in the city. Mr Asif Shuja director general of Pakistan Environmental Protection Agency s2019-11-06
a387 grade 11 class 2 steel plate,a387 grade 11 class 2 chemical composition
a387 grade 11 class 2 steel plate under ASTM standard, it is a kind of chromium molybdenum pressure vessel steel.
|
Element |
|
Chemical Composition (%) inc. Grade UNS No. |
|
|
|
Grade 11 (UNS: K11789) |
|
Carbon: |
Heat Analysis: |
0.05 - 0.17 |
|
|
Product Analysis: |
0.04 - 0.17 |
|
Manganese: |
Heat Analysis: |
0.40 - 0.65 |
|
|
Product Analysis: |
0.35 - 0.73 |
|
Phosphorus: |
Heat Analysis: |
0.035 |
|
|
Product Analysis: |
0.035 |
|
Sulphur (max): |
Heat Analysis: |
0.035 |
|
|
Product Analysis: |
0.035 |
|
Silicon: |
Heat Analysis: |
0.50 - 0.80 |
|
|
Product Analysis: |
0.44 - 0.86 |
|
Chromium: |
Heat Analysis: |
1.00 - 1.50 |
|
|
Product Analysis: |
0.94 - 1.56 |
|
Molybdenum: |
Heat Analysis: |
0.45 - 0.65 |
|
|
Product Analysis: |
0.45 - 0.70 |
|
Designation: |
Requirement: |
grade 11 class 2 |
|
a387 grade 11 class 2 |
Tensile strength, ksi [MPa] |
75 to 100 [515 to 690] |
|
|
Yield strength, min, ksi [MPa]/(0.2% offset) |
43 [310] |
|
|
Elongation in 8 in. [200mm], min % |
18 |
|
|
Elongation in 2 in. [50mm], min, % |
22 |
|
|
Reduction of area, min % |
––– |