ASTM A106 / A106M Grade C

Chemical Composition

Elements	Composition, %
Carbon, max	0.35 [Note B]
Manganese	0.29 - 1.06
Phosphorus, max	0.035
Sulfur, max	0.035
Silicon, min	0.10
Chromium, max [Note C]	0.40
Copper, max [Note C]	0.40
Molybdenum, max [Note C]	0.15
Nickel, max [Note C]	0.40
Vanadium, max [Note C]	0.08

Note B: Unless otherwise specified by the purchaser, for each reduction of 0.01 % below the specified carbon maximum, an increase of 0.06 % manganese above the specified maximum will be permitted up to a maximum of 1.65 %. Note C: These five elements combined shall not exceed 1 %.

Mechanical Properties

Property	Tensile Strength, ksi	Yield Point, min, ksi	Elongation, min, %, in 2 Inch.
			Longitudinal		Transverse
			Round	Strip	Round	Strip
60 [415]	35 [240]	22	30	12	16.5

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