13CR/HP-13CR

Wet CO2 Service

mt wetIn oil and gas fields being looked to for future development, gas which includes CO2 is an increasingly common occurrence. Corrosion has become the major problem for production strings used in environments including CO2, and there is a great demand for a tubing that has strong resistance to CO2 corrosion. JFE Steel's JFE-13CR is a mertensitic stainless steel which combines high performance in such kind of corrosive condition with low cost. For fields with more severe conditions such as high temperature and containing not only CO2 but small amounts of H2S, JFE Steel developed JFE-HP-13CR (HP1 and HP2) material which has higher strength and outstanding anti-corrosion property. It also shows excellent low-temperature toughness.

Specifications

(a) Process of Manufacture

Process: Seamless
Heat Treatment: Quenched and Tempered/Ausformed Tempered

 

(b) Chemical Composition

GradeCSi max.MnP max.S max.CrNiMoCu max.
JFE-13CR 0.15~0.22 1.00 0.25~1.00 0.020 0.010 12.0~14.0 max. 0.50 - 0.25
JFE-HP1-13CR max. 0.04 0.50 max. 0.60 0.020 0.010 12.0~14.0 3.50~4.50 0.80~1.50 -
JFE-HP2-13CR max. 0.04 0.50 max. 0.60 0.020 0.005 12.0~14.0 4.50~5.50 1.80~2.50 -

 

(c) Specified Physical Properties (at Ambient Temperature)

GradeYield StrengthTensile StrengthElongation
%
Hardness
max.
HRC
min. psi
(MPa)
max. psi
(MPa)
min. psi
(MPa)
JFE-13CR-80 80,000 (552)  95,000 (655)  95,000 (655) API Formula 23
JFE-13CR-85 85,000 (586) 100,000 (689) 100,000 (689) API Formula 24
JFE-13CR-95 95,000 (655) 110,000 (758) 105,000 (724) API Formula 27
JFE-HP1-13CR-95
JFE-HP2-13CR-95
95,000 (655) 110,000 (758) 105,000 (724) API Formula 28
30
JFE-HP1-13CR-110
JFE-HP2-13CR-110
110,000 (758) 130,000 (896) 120,000 (827) API Formula 32
32

Test Data

(a-1) Effect of Temperature on Corrosion Rate

a1-a-weta1-b-wet

 

(a-2) Effect of CO2 Partial Pressure on Corrosion Rate

a2-a-weta2-b-wet

 

(a-3) Effect of Cr Content on CO2 Corrosion Rate

a3-a-wet

(a-4) CO2 Corrosion Test Results of HP1-13CR and conventional 13Cr

a4-a-wet

 

(b-1) C-Ring SSC Test Results of HP1-13CR and conventional 13Cr steels

 

b1-wet

 

(b-2) U-Bend SSC Test Results of HP1-13CR and conventional 13Cr steels

 

b2-wet

 

(b-3) Effect of Mo content on the resistance to SSC

 

b3-wet

(c) Physical and Thermal Properties (Information Purpose Only)

Grade   Minimum Value Temperature
50 °C
(122 °F)
100 °C
(212 °F)
150 °C
(302 °F)
200 °C
(392 °F)
JFE-13CR-80 Yield
Strength
psi
(MPa)
80,000
(550)
78,000
(540)
75,000
(520)
72,000
(500)
Tensile
Strength
psi
(MPa)
98,000
(680)
95,000
(660)
91,000
(630)
90,000
(620)
JFE-13CR-95 Yield
Strength
psi
(MPa)
92,000
(630)
89,000
(610)
88,000
(610)
85,000
(590)
Tensile
Strength
psi
(MPa)
106,000
(730)
101,000
(700)
98,000
(680)
95,000
(660)
JFE-HP1-13CR-95 Yield
Strength
psi
(MPa)
98,000
(680)
97,000
(670)
96,000
(660)
94,000
(650)
Tensile
Strength
psi
(MPa)
117,000
(810)
112,000
(770)
108,000
(740)
106,000
(730)
JFE-HP1-13CR-110 Yield
Strength
psi
(MPa)
115,000
(790)
110,000
(760)
106,000
(730)
104,000
(720)
Tensile
Strength
psi
(MPa)
126,000
(870)
119,000
(820)
115,000
(790)
114,000
(780)
JFE-HP2-13CR-95 Yield
Strength
psi
(MPa)
100,000
(690)
98,000
(680)
96,000
(670)
95,000
(660)
Tensile
Strength
psi
(MPa)
125,000
(860)
120,000
(830)
115,000
(790)
113,000
(780)
JFE-HP2-13CR-110 Yield
Strength
psi
(MPa)
109,000
(750)
106,000
(730)
103,000
(710)
101,000
(700)
Tensile
Strength
psi
(MPa)
129,000
(890)
123,000
(850)
117,000
(810)
114,000
(790)

 

  Young Modulus Poisson's Ratio Thermal Expansion
JFE-13CR-80 31,290 ksi (215,700 MPa) 0.30 0.0000099/ °C for 21.1 °C up to 100 °C
0.0000115/ °C for 21.1 °C up to 538 °C

 

Notes

The corrosion testing data in this brochure were obtained from laboratory testing results. Care should always be taken when selecting materials, as operating conditions may change during the period of usage.

Regarding completion/packer fluid

Care should be taken in the selection of well fluids such as completion/packer fluids used in connection with this material in order to minimize the risk of stress corrosion cracking. JFE recommends that you consult with a person knowledgeable about fluid compatibility with this material in making a selection.
*Cr tubulars have shown a tendency toward localized pitting corrosion when stored in moist environments. Special precautions during coating, shipping and storage are required.

Anti-galling connection

Cr tubulars have been categorized as prone to thread galling, JFE Steel recommends to use FOX® and JFEBEAR® premium connection which overcomes this concem by its special design criteria.