Description:Name: Kelly Bar
Material:AISI 4145H
Standard: API
Origin:China Henan
MOQ:1Pack/Packs
Payment Terms:L/C
Packaging Details:As your request
Product detail:
| Product Information |
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Name: Kelly Bar
Material:AISI 4145H
Standard: API
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| Product Detail |
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Our company act to the user's request to produce Kelly and hexagonal Kelly,
the length is usually about 12.19 meters, uses AISI 4145H alloy structural steel manufacturing,
and carries on the quenching and tempering treatment in the full length scope. The technique
of production and the technical standard are completely in accordance with API, under the room temperature,the surface is removed by inch through heat treatment. Brinell hardness is tested to be possible to achieve reaches 285-341, minimum Charpy impactvalue is 54J.
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Kelly Bar
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Size
in
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Standard length
ft
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Inside thread
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Outside thread
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Inside diameter
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Drive section length (ft)
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Left screw joint
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OD（in）
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Right screw joint
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O.D（in）
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2-1/2
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40
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6-5/8REG
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7-3/4
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NC26(2-3/8IF)
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3-3/8
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1-1/4
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37
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3
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40
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6-5/8REG
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7-3/4
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NC31(2-7/8IF)
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4-1/8
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1-3/4
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37
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3-1/2
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40
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6-5/8REG
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7-3/4
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NC38(3-1/2IF)
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4-3/4
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2-1/4
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37
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4-1/4
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40
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6-5/8REG
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7-3/4
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NC46(4IF)
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6-1/4
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2-13/16
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37
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5-1/4
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40
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6-5/8REG
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7-3/4
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NC50(4-1/2IF)
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7
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3
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37
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