Chemical Composition

Identification Symbol	Grade	Elements	Composition %
UNS C70600	26 chromium, 6 nickel, 3.5 molybdenum with nitrogen and copper 255	Copper, Incl Silver	remainder
		Nickel, Incl Cobalt	9.0-11.0
		Lead	0.05
		Iron	1.0-1.8
		Manganese	1.0
		Zinc	1.0
		Phosphorous	0.02
		Sulfur	0.02
		Carbon	-

Mechanical Properties

Diameter or Distance Between Parallel Surfaces, in.	Tensile Strength, min, ksi	Yield Strength at 0.5 % Extension Under Load, min, ksi	Elongation in 43 Diameter or Thickness of Specimen, min, %A
all sizes	38	15	30
up to 3⁄8, incl	60	38	10
over 3⁄8 to 1, incl	50	30	15
over 1 to 3, incl	40	15	30
over 3 to 5, incl	38	15	20
all sizes	38	15	30
For Thicknesses
up to 9.5, incl	380	205	10
over 9.5 to 12, incl	345	195	12
over 12 to 80, incl	275	115	20
All sizes	(As agreed upon between the manufacturer or supplier and the purchaser)