Tungsten Plated Sinker Bar
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Tungsten Plated Sinker Bar
Introduction
It adopts the tungsten plated process with multicomponent alloy coating of tungsten, nickel and phosphorus. Coating thickness of tungsten alloy is 0.04-0.06mm, hardness is 580-750HV200. Our process can ensure higher plating adhesive strength, higher hardness, better wear resistance and anti-corrosion performance. It has high finish and can effectively solve eccentric wear of sucker rod surface. It’s mainly applicable to oilfield with corrosion and has excellent corrosion resistance under electrochemical corrosion, H2S and CO2 condition, significantly prolong the service life of rod string.
Mechanical Property
|
等 级Grade
|
抗拉强度Rm
|
屈服强度REl（0.2%的残余变形）Mpa
|
伸长率A
|
端面收
|
|
Mpa
|
Yield Strength
|
200mm%
|
缩率Z%
|
|
|
Tensile Strength
|
|
Elongation
|
Reduction of area
|
|
|
C（1级）
|
621-793
|
≥414
|
≥13
|
≥50
|
|
K（2级）
|
621-793
|
≥414
|
≥13
|
≥60
|
|
D（3级）
|
793-965
|
≥586
|
≥10
|
≥50
|
|
KD（4级）
|
793-965
|
≥586
|
≥10
|
≥50
|
Technical Parameters
|
规格Spec
|
杆体直(mm)
Rod Dia. |
螺纹名义直径（in）
Thread Nominal Dia. |
螺纹直径(mm)
Thread Dia. |
长度L(mm)
Length |
|
28
|
28.6
|
5/8"
|
23.81
|
6000
7620 8000 9140 |
|
32
|
31.75
|
5/8"
|
23.81
|
|
|
35
|
34.93
|
3/4"
|
26.99
|
|
|
38
|
38.1
|
3/4"
|
26.99
|
|
|
41
|
41.28
|
7/8"
|
30.16
|
|
|
44
|
44.45
|
7/8"
|
30.16
|
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