L80-9Cr

1.Standard:    API  5CT

2.Chemical Composition (%)

Elements	C	Mn	P	S	Si	Cr	Mo	Ni	Cu
Min	0	0.30				8.00	0.90
Max	0.15	0.60	0.020	0.010	1.00	10.0	1.10	0.50	0.25
Actual value	0.10	0.45	0.008	0.0020	0.45	8.7	0.98	0.096	0.028

 

3.Mechanical Properties

Mechanical properties	Tensile strength MPa	Yield strength MPa	Hardness HBW/HRC	0℃,Longitudinal Impact J10×10*55	Elongation%
Min	655	552	18	27	17
Max		655	22
Actual value	705	604	18.4	102	26

 

4.Typical Size

Size mm	Outside Dlamete mm	Permissible Variatior in Outside Diameter mm	Wall thickness mm	Average Wall Permissible Variations in Wall Thickness
116.84×27.94	116.84	-0.5%～+1.0%	27.94	±8%

Note:Standard requirements range:OD: ± 1.09%.   WT: ± 8%

5.Typical Application Environment

This metal Material is used in the petroleum and natural gas industry.such as Tubing asing couplings.etc