Seamless ferritic and austenitic alloy steel boiler, superheater, and heat exchanger tubes.

Chemical Properties:

Carbon: 0.08 max.Silicon: 0.75 max
Manganese: 2.00Nickel: 9.00-13.0
Potassium: 0.04Chromium: 17.0-20.0
Sulfur: 0.03Molybdenum: n/a

Mechanical Properties:

Tensile Strength:

ksi: 75

MPa: 517


ksi: 30

MPa: 207

Elongation in 2in. or 50mm, min. %: 35

Max. Hardness Rockwell B: 90

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