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MATERIALPROPERTIES

Accordingto chemical composition and mechanical properties, our standard non-magneticmaterials can be categorized into two grades

P530

OD

in

Yield S.

Tensile S.

EL.

%

R.A

%

IMP.

J

HD.

HB

Ksi

Mpa

Ksi

Mpa

31/86 7/8

110

759

120

828

25

50

100

285360

711

100

690

120

828

25

50

100

285360


Fatiguetesting: +/-65ksi, at 100,000 cycles.

P550

OD

in

Yield S.

Tensile S.

EL.

%

R.A

%

IMP.

J

HD.

HB

Ksi

Mpa

Ksi

Mpa

31/86 7/8

140

966

150

1035

20

50

100

300425

711

130

897

145

1000

20

50

100

300425

Fatiguetesting: +/-80ksi, at 100,000 cycles.

MagneticProperties:

MagneticPermeability       1.005   max

MagneticField variation      0.04μT   max

Thematerial shall pass the corrosion resistance tests according to ASTM A-262,practice ‘A” and practice “E”.

PRODUCTSIZE

Readyto deploy:

ODof drill collars:  4 3/4"  5 "  6 1/2 "   6 3/4 "  7 "   8 "   9 "

ODof flex drill collar: 3 1/2 "    4 "    5 "

AllAPI sizes and tool joint connection are available.

Othersizes are available on request.


Number and  connection table

Outside Diameter

Inside Diameter

Length
 mm

Bevel
 Diameter

mm

Bending
 Strength
 Ratio

mm

in

mm

in

NC23-31

79.4

3 1/8

31.8

1 1/2

9150

76.2

2.57:1

NC26-35(2 3/8 IF)

88.9

3 1/2

38.1

1 1/2

9150

82.9

2.42:1

NC31-41(2 7/8 IF)

104.8

4 1/8

50.8

2

9150

100.4

2.43:1

NC35-47

120.6

4 3/4

50.8

2

9150

114.7

2.58:1

NC38-50(31/2IF)

127

5

57.2

2 1/4

9150

121

2.38:1

NC44-60

152.4

6

57.2

2 1/4

9150 or 9450

144.5

2.49:1

NC44-60

152.4

6

71.4

2 13/16

9150 or 9450

144.5

2.84:1

NC44-62

158.8

6 1/4

57.2

2 1/4

9150 or 9450

149.2

2.91:1

NC44-62(4IF)

158.8

6 1/2

71.4

2 13/16

9150 or 9450

150

2.63:1

NC44-65(4IF)

165.1

6 1/2

57.2

2 1/4

9150 or 9450

154.8

2.76:1

NC44-65(4IF)

165.1

6 1/2

71.4

2 13/16

9150 or 9450

154.8

3.05:1

NC44-67(4IF)

171.4

6 3/4

57.2

2 1/4

9150 or 9450

159.5

3.18:1

NC50-67(41/2IF)

171.4

6 3/4

71.4

2 13/16

9150 or 9450

159.5

2.37:1

NC50-70(41/2IF)

177.8

7

57.2

2 1/4

9150 or 9450

164.7

2.54:1

NC50-70(41/2IF)

177.8

7

71.4

2 13/16

9150 or 9450

164.7

2.73:1

NC50-72(41/2IF)

184.2

7 1/4

71.4

2 13/16

9150 or 9450

169.5

3.12:1

NC56-77

196.8

7 3/4

71.4

2 13/16

9150 or 9450

185.3

2.70:1

NC56-80

203.2

8

71.4

2 13/16

9150 or 9450

190.1

3.02:1

6 5/8 REG

209.6

8 1/4

71.4

2 13/16

9150 or 9450

195.7

2.93:1

NC61-90

228.6

9

71.4

2 13/16

9150 or 9450

212.7

3.17:1

7 5/8 REG

241.3

9 1/2

76.2

3

9150 or 9450

223.8

2.81:1

NC70-97

247.6

9 3/4

76.2

3

9150 or 9450

232.6

2.57:1

NC70-100

254

10

76.2

3

9150 or 9450

237.3

2.81:1

8 5/8 REG

279.4

11

76.2

3

9150 or 9450

266.7

2.84:1

Slips and elevator grooves can be  produced upon the customers' requirement.