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BizVerify |
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| Metals International Limited |
| Verified By : SMR(HK) |
| Verified Date : 2011-03-25 |
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| Integral Heavy Weight Drill Pipe |
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| Model No.︰ | - |
| Brand Name︰ | - |
| Country of Origin︰ | - |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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Integral Heavy Weight Drill Pipe
- According to API Spec.7, integral heavy weight drill pipe is made of alloy steel, and formed by hot forging as a whole and fully heat-treated. Tool joints connections and central upset can be with hardbanding.. The types of hard banding include Arnco 100XT and 300XT. All threads are cold rolled, phosphated, and copperized, and they are machined with CNC Lathes –Double –shouldered, including some special threads.
Specification for integral heavy weight drill pipe
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Specification
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Outer diameter
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Inner diameter
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connection
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body
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W/p
K
g
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Style
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Outer diameter
A
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DF
mm
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Upset
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D
Center area
mm
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B
Bottom
area
mm
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mm
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in
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mm
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in
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mm
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in
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I Type (length/p 9300mm)
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ZH-JZ66-6 5/8FH-Ⅰ
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168.3
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6 5/8
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114.3
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4 1/2
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6 5/8FH
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209.6
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8 1/4
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195.70
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184.2
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176.2
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965
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ZH-JZ55-5 1/2FH-Ⅰ
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139.7
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5 1/2
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92.1
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3 5/8
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5 1/2FH
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177.8
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7
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170.7
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152.4
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144.5
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730
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ZH-JZ50-NC50-Ⅰ
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127.0
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5
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76.2
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3
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NC50
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168.3
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6 5/8
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154.0
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139.7
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130.2
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700
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ZH-JZ45-NC46-Ⅰ
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114.3
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4 1/2
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71.4
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2 13/16
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NC46
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158.8
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6 1/4
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145.3
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127.0
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117.5
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585
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ZH-JZ35-NC38-Ⅰ
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88.9
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3 1/2
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52.39
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2 1/16
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NC38
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120.7
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4 3/4
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116.3
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101.6
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92.1
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370
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ZH-JZ29-NC31-Ⅰ
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73.03
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2 7/8
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50.8
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2
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NC31
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104.8
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4 1/8
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100.4
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84.1
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81.0
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220
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II Type (length/p 13500mm)
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ZH-JZ50-NC50-II
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127.0
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5
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76.2
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3
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NC50
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168.3
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6 5/8
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154.0
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139.7
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130.2
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945
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ZH-JZ45-NC46-II
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114.3
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4 1/2
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71.4
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2 13/16
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NC46
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158.8
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6 1/4
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145.3
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127.0
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117.5
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790
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Tolerance
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C
Outer diameter
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E
Inner diameter
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L
Length
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DF
chamfer
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Inner and outer thread connection
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Upset O.D.
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D
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B
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±0.8
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±1.60
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±150
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±0.4
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±0.8
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±0.75%D
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+0.8
0
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