A387 Grade 5 Class 2 – high quality chromium-molybdenum alloy steel plate, ideal for use in pressure vessels and industrial boilers due to it's excellent heat resistant and anti corrosion properties.
We can supply plates from our own stockholding in Birmingham or directly from the mill and all plates come with mill test certification and individual stampings.
BS |
EN |
ASTM/ASME |
DIN |
... |
... |
A387-5-2 |
... |
Designation |
Nominal Chromium |
Nominal Molybdenum |
A387 Grade 5 |
5.00% |
0.50% |
Designation |
Requirement |
Grade 5 |
A387 Grade 5 |
Tensile strength, ksi [MPA] |
75 to 100 [515 to 690] |
|
Yield strength, min, ksi [MPa]/(0.2% offset) ，0.2% |
45 [310] |
|
Elongation in 8 in. [200mm],min % |
... |
|
Elongation in 2 in. [50mm], min % |
18 |
|
Reduction of area, min % |
45 |
Element |
|
Chemical Composition (%) inc. Grade & UNS No. |
|
|
Grade 5 (UNS: S50200) |
Carbon: |
Heat Analysis: |
0.15 max |
|
Product Analysis: |
0.15 max |
Manganese: |
Heat Analysis: |
0.30 - 0.60 |
|
Product Analysis: |
0.25 - 0.66 |
Phosphorus: |
Heat Analysis: |
0.035 |
|
Product Analysis: |
0.035 |
Sulphur (max): |
Heat Analysis: |
0.030 |
|
Product Analysis: |
0.030 |
Silicon: |
Heat Analysis: |
0.50 max |
|
Product Analysis: |
0.55 max |
Chromium: |
Heat Analysis: |
4.00 - 6.00 |
|
Product Analysis: |
3.90 - 6.10 |
Molybdenum: |
Heat Analysis: |
0.45 - 0.65 |
|
Product Analysis: |
0.40 - 0.70 |
The material shall be tested using a test specimen and will confirm to the tensile requirements as outlined in Table 2.
The following requirements and testing procedures (which are not mandatory) are considered suitable for Chrome Molybdenum steel:
To find out more about Masteel's services and ASTM A387 Grade 5 Class 2 steel plates which we can supply directly to you from stock or from the mill, click CLICK HERE to contact us.