
Heavy Weight Spiral Drill Collar /Oil Drill Pipe Grade S135
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.- Standard:API
- Length:8.84-9.75m
- Usage:Oil Mining
- Material:Alloy Steel
- Od(mm):79.4
- ID(mm):31.8
Base Info
- Model NO.:NC23-31
- Df(mm) ±0.4:76.2
- Transport Package:Pallet or Wooden Case
- Specification:9.14m
- Trademark:TR Solids Control
- Origin:Xi′an, China
- HS Code:84749000
- Production Capacity:1000PCS,Mont
Description
L(m)
±152.4mm
d
DF(mm)
±0.4
NC23-31
9) Mechanical Property
OD Size
Yield Strength
σ0.2
Mpa(psi)
Tensile Strength σb
Mpa(psi)
Elongation
δ4%
Reduction of area
%
Reduction of area
%
3-1/8~6-3/4
≥758
-110,000
≥827
-120,000
≥18
≥689
-100,000
≥758
-110,000
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