SA-178-A

Electric-resistance welded  and carbon manganese steel boiler .
Chemical Properties:
Carbon: 0.06-0.18Silicon: n/a
Manganese: 0.27-0.63Nickel: n/a
Potassium: 0.035Chromium: n/a
Sulfur: 0.035Molybdenum: n/a
Mechanical Properties:
Tensile Strength:
ksi: 47
MPa: 324
Yield:
ksi: 26
MPa: 
Elongation in 2in. or 50mm, min. %: 35
Max. Hardness Rockwell B: 77