UNS N06690

1.Standard: ASME B167

2.Chemical Composition (%)

Elements	C	Mn	P	S	Si	Cr	Mo	Ni	Ti	Nb	Cu	Fe	Al
Min						27.0		58.0				7.0
Max	0.05	0.5		0.015	0.5	31.0					0.5	11.0
Actual value	0.02	0.09		0.003	0.35	30.5		62.0			0.1	10.5

3.Mechanical Properties

OD	Mechanical properties MPa	Tensile strength MPa	Yield Strengtr MPa	Elongatian %
OD≤127mm	Min	586	240	30
	Max
	Actual value	603	267	42
OD≥127mm	Min	586	205	35
	Max
	Actual value	595	232	51

4.Typical Size

Size mm	Outside Diamete mm	Tolerance of Outside Lnameter mm	Wall thickness mm	Tolerance of Wall Thickness mm
14.3*4	14.3	±0.51	4	±12.5%

Note:Standard requirements control range:OD:±0.515 mm WT:±12.5%

5.Typical Application Environment

1)Steam generator used in pressurized water reactor

2)Military  thermal  components