API 7-1 10" spiral drill collars AISI 4145H Modified ally steel

Model: KINGWELL API 7-1 10" spiral drill collars 003
Place of Origin: Shaanxi,China (Mainland)
Standard: API Spec 7-1
Material: AISI 4145H Modified ally steel
Size: 10"
Drill Collar Nominal size: NC70-100
Usage: Well Drilling
Bending Strength ratio: 2.81:1
length: 9.150-9.450m
Supply Ability: 1000 sets per month
Brand Name: KW
Color: depend on custom

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Product Description

Payment & Shipping Terms Supply Capacity
Unit Price:10.0 USDProduction Capacity:1000 set per month
Trade Term:FOB,CFR,CIF,DDP,DAP,CIP,CPT,FCA,EXWPacking:EXPORT PACKAGES
Payment Terms:L/C, D/P, D/A, T/TDelivery Date:30 days after received...
Min. Order:1 Piece/Pieces
Means of Transport:Ocean, Air, Land

API 7-1 10"spiral drill collars AISI 4145H Modified ally steel

Quick details:

1.Standard: API Spec 7-1

2.Material: AISI 4145 H Modified Alloy Steel

3.Export Percentage: 95%

4.Supply Ability: 1000 sets per month
5. Main Market: Middle East, North America, Europe
6. Delivery time: 10 days in stock, 30 days after advance payment
FACTORY DERICTLY!!

Usage :

One of the most important components of the drill string is to provide drilling bit of pressure and the drill string rigid role.


Specification :

Standard size ,bores and connectionfor drill collars

OD

ID

length
mm (L)

Bevel diameter
mm (DF)

connection style
and size

Bending strength
ratio

in

mm

in

mm

31/8

79.4

11/4

31.8

9150

76.2

NC23

2.57:1

31/2

88.9

11/2

38.1

9150

82.9

NC26(23/8IF)

2.42:1

41/8

104.8

2

50.8

9150

100.4

NC31(27/8IF)

2.43:1

43/4

120.7

2

50.8

9150

114.7

NC35

2.58:1

5

127

21/4

57.2

9150

121.0

NC38(31/2IF)

2.38:1

6

152.4

21/4

57.2

9150or9450

144.5

NC44

2.49:1

6

152.4

213/16

71.4

9150or9450

144.5

NC44

2.84:1

61/4

158.8

21/4

57.2

9150or9450

149.2

NC44

2.91:1

61/4

158.8

213/16

71.4

9150or9450

150.0

NC46(4IF)

2.63:1

61/2

165.1

21/4

57.2

9150or9450

154.8

NC46(4IF)

2.76:1

61/2

165.1

213/16

71.4

9150or9450

154.8

NC46(4IF)

3.05:1

63/4

171.4

21/4

57.2

9150or9450

159.5

NC46(4IF)

3.18:1

63/4

171.4

213/16

71.4

9150or9450

159.5

NC50(41/2IF)

2.37:1

7

177.8

21/4

57.2

9150or9450

164.7

NC50(41/2IF)

2.54:1

7

177.8

213/16

71.4

9150or9450

164.7

NC50(41/2IF)

2.73:1

71/4

184.2

213/16

71.4

9150or9450

169.5

NC50(41/2IF)

3.12:1

73/4

196.8

213/16

71.4

9150or9450

185.3

NC56

2.70:1

8

203.2

213/16

71.4

9150or9450

190.1

NC56

3.02:1

81/4

209.6

213/16

71.4

9150or9450

195.7

65/8REG

2.93:1

9

228.6

213/16

71.4

9150or9450

212.7

NC61

3.17:1

91/2

241.3

3

76.2

9150or9450

223.8

75/8REG

2.81:1

93/4

247.6

3

76.2

9150or9450

232.6

NC70

2.57:1

10

254.0

3

76.2

9150or9450

237.3

NC70

2.81:1

11

279.4

3

76.2

9150or9450

266.7

85/8REG

2.84:1


Mechanical Property :

Mechanical Property of Slick and Spiral drill collars made of AISI 4145 H

OD Range

Yield Strength

MPa

TensileStrength

MPa

Elongation %

Hardness

HB

Impact Test

J

mm

in

79.4171.4

31/863/4

≥758

≥965

≥13

285341

≥54

177.8279.4

711

≥689

≥930

≥13

285341

≥54

Mechanical Property of Non-mag Drill Collars

OD Range

Yield Strength

MPa

TensileStrength

MPa

Elongation %

Hardness

HB

Impact Test

J

mm

in

79.4171.4

31/863/4

≥758

≥827

≥18



177.8279.4

711

≥689

≥758

≥20





API 7-1 10spiral drill collars AISI 4145H Modified ally steel


API 7-1 10spiral drill collars AISI 4145H Modified ally steel

Warrenty:
Generally, our goods is one year warrenty after received the goods.

Quality control or assurance:


In order to keeping competition and developing, the basic is to improve any possible aspects such as company quality, we place an emphasis on elements includes controls, job management, defined and well managed processes, performance and integrity criteria and identification of records, on competence includes knowledge, skills, experience and qualifications, on soft elements includes personnel integrity, confidence, organizational culture, motivation, team spirit and quality relationship.

API 7-1 10spiral drill collars AISI 4145H Modified ally steel





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Category: Drill Pipe/HWDP/Drill Collar

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