API spec7-1 2 7/8" heavy weight oil drill pipe for sale

Product:

downhole drilling tool integral heavy weight drill pipe & hwdp

Material:

AISI 4145H MOD or non magnetic steel

OD:

2 7/8"- 6 5/8"

Delivery time:

30 days after receive the deposit.

Standard

API Spec 7-1 or SY/T5051-91Standard

Delivery condition:

as customers' requirement, semi-finished forging or finished product

Surface Finish:

Black, Peeled, Turned & Polished

Payment Term:

30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight

Type

Specification

Out diameter
D

Inner diameter
E

Connection

Body

Weight/
Pcs

style

Out Diameter
A

D_F

Upsetting Size

Center Area D

Bottom Area B

mm

in

mm

in

mm

in

mm

mm

mm

Kg

Type I
(9300mm/Pcs in Length)

ZH-JZ66-6 5/8FH

168.3

6 5/8

114

4 1/2

6 5/8FH

209.6

8 1/4

195.7

184.2

176.2

965

ZH-JZ55-5 1/2FH

139.7

5 1/2

92.1

3 5/8

5 1/2FH

177.8

7

170.7

152.4

144.5

730

ZH-JZ50-NC50

127

5

76.2

3

NC50

168.3

6 5/8

154

139.7

130.2

700

ZH-JZ45-NC46

114.3

4 1/2

71.4

2 13/16

NC46

158.8

6 1/4

145.3

127

117.5

585

ZH-JZ35-NC38

88.9

3 1/2

52.4

2 1/16

NC38

120.7

4 3/4

116.3

101.6

92.1

370

ZH-JZ29-NC31

73.03

2 7/8

50.8

2

NC31

104.8

4 1/8

100.4

84.1

81

220

Type II
(13500mm/Pcs in Length)

ZH-JZ50-NC50

127

5

76.2

3

NC50

168.3

6 5/8

154

139.7

130.2

945

ZH-JZ45-NC46

114.3

4 1/2

71.4

2 13/16

NC46

158.8

6 1/4

145.3

127

117.5

790

Tensile Strength

Yield Strength

Impact value

Elongation

brinell hardness

Mpa

Mpa

Akv J

%

HB

≥964

≥758

≥54J

≥13

285-341