Alloy Steel Downhole Capillary Coil Tubing
We are professional hydraulic control lines, Stainless Steel control line Tubes/tubings, Stainless Steel coiled control line Tubes/tubings factory from china
The outer diameter of hydraulic control lines, Stainless Steel control line Tubes/tubing that we could do is in 1/8", 1/4", 1/2", 3/8", 3/4", 5/8",
The wall thickness hydraulic control lines, Stainless Steel control line Tubes/tubing that we could do is in 0.028", 0.035", 0.049", 0.065", 0.083"
The material grade of hydraulic control lines, Stainless Steel control line Tubes/tubings that we could do is in TP 304, TP 304L, TP316, TP316L, UNS S31603, Incoloy 825, 2205, 2507, UNS N08825, inconel 625, UNS N06625
Our hydraulic control lines, Stainless Steel control line Tubes/tubing are widely used in a numerous petrochemical applications, including:
- Down hole tubes
- Subsea umbilical's
- Process constructions
- General control system
- Steam supply lines
- Gas transport lines
- Instrumentation
Chemical Composition:
| Grade | C | Si | Mn | P | S | Cr | Ni |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | ≤18.0-20.0 | ≤8.0-10.5 |
| 304L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | ≤18.0-20.0 | ≤8.0-10.5 |
| Grade | C | Si | Mn | P | S | Cr | Ni | others |
| SUS316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0~18.0 | 10.0~14.0 | Mo:2~3 |
| SUS316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0~18.0 | 12.0~15.0 | Mo:2~3 |
Mechanical Properties&Hardness:
| Grade | YS(Mpa) | TS(Mpa) | EL(%) | Hv |
| 304 | ≥205 | ≥520 | ≥40 | ≤200 |
| 304L | ≥175 | ≥480 | ≥40 | ≤200 |
| Grade | YS(Mpa) | TS(Mpa) | EL(%) | Hv |
| SUS316 | ≥205 | ≥520 | ≥40 | ≤200 |
| SUS316L | ≥175 | ≥480 | ≥40 | ≤200 |
Inspection and Tests
We inspect all lots of tubing before shipment to ensure that every aspect of the customer's order has been met.
Our in-house inspection and tests capabilities include:
Chemical Composition Test
Visual inspection
Dimensional inspection
Surface roughness testing
Eddy Current testing
Hydrostatic pressure testing
Destructive mechanical testing:
- Yield Strength
- Tensile Strength
- Elongation
- Hardness testing
- bending, flattening, and flaring
All shipments include a full Test Certificate showing all required test results and verifying compliance with the order requirements.
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205Mpa Hydraulic Alloy Steel Downhole Coiled Tubing Images
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