The A859/A859M-04(2014) steel grade is a low alloy steel commonly used in structural applications. It is commonly used in the construction of bridges, buildings, and other structures due to its high strength and excellent corrosion resistance.
Chemical Composition:
The chemical composition of the A859/A859M-04(2014) steel grade is as follows:
– Carbon (C): 0.22% max
– Manganese (Mn): 1.10-1.60%
– Phosphorus (P): 0.040% max
– Sulfur (S): 0.050% max
– Silicon (Si): 0.10-0.35%
– Nickel (Ni): 1.20-1.70%
– Chromium (Cr): 0.60-1.00%
– Molybdenum (Mo): 0.45-0.65%
Mechanical Properties:
The mechanical properties of the A859/A859M-04(2014) steel grade are as follows:
– Tensile Strength: 485-620 MPa
– Yield Strength: 345 MPa min
– Elongation: 16% min
– Charpy Impact Test: 27 J (20 ft-lbf) min at -45°C (-50°F)
Standard Number:
The A859/A859M-04(2014) steel grade is classified under the ASTM A859/A859M-04(2014) standard.
This standard specifies the requirements for steel plates used in the construction of welded pressure vessels. It provides guidelines for chemical composition, mechanical properties, and heat treatment. It also includes details on testing methods and acceptance criteria.
Corresponding:
The A859/A859M-04(2014) steel grade corresponds to other steel grades with similar chemical compositions and mechanical properties. Some corresponding steel grades include:
– ASTM A515 Grade 70
– ASTM A516 Grade 70
– ASTM A537 Class 2
– EN 10028-3 P355NH
– JIS G3115 SPV355
These corresponding grades can be used interchangeably in certain applications, depending on specific requirements and regulations. It is important to consult the appropriate standards and specifications when selecting a steel grade for a particular application.