L80-13Cr

Category：Martensitic Stainless SteelPublishedDate：2019-05-21

1. Standard

API Standard：API 5CT

2. Chemical Composition

Elements	C	Mn	P	S	Si	Cr	Mo	Ni	Cu
Min	0.15	0.25				12.0	-
Max	0.22	1.00	0.020	0.010	1.00	14.0	-	0.50	0.25
Actual value	0.17	0.46	0.017	0.0054	0.335	12.7	0.034	0.13	0.048

3. Mechanical Properties

Mechanical Properties	Tensile Strength MPa	Yield Strength MPa	Hardness HRC	0℃，Longitudinal Impact J 10×10×55	Elongation %
Min	655	552		27	20
Max		655	23
Actual value	743	585	18.7	73.8（-10℃，Longitudinal Impact J 10×7.5×55）	27

4. Typical Size

Size	Outside Diameter mm	Permissible Variations in Outside Diameter mm	Wall Thickness Mm	Average Wall Permissible Variations in Wall Thickness
114.3×8.56	114.3	-0.5%到+1.0%	8.56	±10%S

Note:Standard requirements control range:OD：-0.5%到+1.0%OD，WT：±10%S

5. Typical Application Environment

The metal material is suitable for wet, a certain concentration of CO2, temperature below 150 ℃ of tubing, coupling and other oil and gas appliances.

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