Oil & Gas Industry Stainless Steel Tube Solutions
In the oil and gas industry, tubing systems must withstand high pressures, corrosive media, extreme temperatures, and the various challenges of long-term operation, all while ensuring operational reliability.
TORICH specializes in manufacturing high-performance stainless steel and nickel alloy tubing suitable for both upstream and downstream applications in the oil and gas sector.
From instrumentation tubing and hydraulic control lines to heat exchanger piping and offshore applications, TORICH delivers precision tubing solutions designed to ensure safety, durability, and superior performance.
Size Range:
TORICH offers customized tubing solutions with a wide dimensional capability:
Outer Diameter (OD): 3 mm – 630 mm (seamless), 8 mm -1800 m (welded)
Wall Thickness (WT): 0.5 mm – 55 mm
Outer Diameter Tolerance: ±0.05 mm or tighter depending on product requirements
Tube Types: Seamless tubes, welded tubes, precision instrumentation tubing, coiled tubing, and heat exchanger tubes
Materials:
Austenitic Stainless Steel: 304, 304L, 316, 316L, 321, 310S, 347
Duplex Stainless Steel: Duplex 2205, Super Duplex 2507
Nickel Alloy: Alloy 625, Alloy 825, Alloy C276
Standards:
ASTM Standards: ASTM A213 / ASTM A269 / ASTM A789 / ASTM A790 / ASTM B423 / ASTM B444
ASME Standards: ASME SA213 / ASME SA789
European Standards: EN 10216-5 / EN 10217-7
Oil & Gas Industry Standards: API 17E / API 6A
Oil & Gas Stainless Steel Tubing Applications
Instrumentation Tubing
Typical Applications: Pressure measurement, Flow measurement, Analyzer systems,Control panels
Typical Grades: 316/316L, 304/304L, 2205, 2507
Size Range: OD: 3–25.4 mm; WT: 0.5–3.0 mm
Standards: ASTM A269 / ASTM A213 / EN 10216-5 / ASME SA213
Achievable Quality : OD tolerance ±0.05 mm, ID roughness Ra ≤0.8 μm, 100% eddy current & hydrostatic tested.
Hydraulic Control Tubing
Typical Applications: Offshore platform, Subsea equipment, Valve control systems
Typical Grades: 316L, Duplex 2205, Super Duplex 2507, Alloy 825
Size Range: OD: 3–25 mm; WT: 0.5–3.5 mm
Standards: ASTM A789 / ASTM A269 / API 17E / NACE MR0175 / ISO 15156
Achievable Quality : OD tolerance ±0.05 mm, long-length coiled supply, high-pressure and fatigue-resistant performance.
Heat Exchanger Tubes
Typical Applications: Shell & tube heat exchangers, condensers, coolers, reboilers,LNG and refinery thermal systems
Typical Grades: 304L, 316L, 321, 347, 2205, Alloy 800H, Alloy 625
Size Range: OD: 10–114 mm; WT: 0.5–10 mm
Standards: ASTM A213 / ASTM A249 / ASTM A789 / ASTM A790 / EN 10217-7
Achievable Quality : Heat transfer tubing with wall thickness control within ±10%, eddy current testing, hydrostatic testing, and controlled surface finish.
Chemical Injection Tubing
Typical Applications: Corrosion inhibitor injection, methanol injection, scale inhibitor systems, chemical dosing equipment
Typical Grades: 316L, Alloy 825, Alloy 625, Alloy C276
Size Range: OD: 3–25 mm; WT: 0.5–4.0 mm
Standards: ASTM B423 / ASTM B444 / ASTM A269 / ASTM A789
Achievable Quality : 100% PMI verified, NDT tested, smooth ID surface Ra ≤0.8 μm, defect-free finish.
Offshore & Subsea Tubing
Typical Applications: Subsea control lines, umbilical systems, offshore platforms, subsea production equipment
Typical Grades: 316L, Duplex 2205, Super Duplex 2507, Alloy 625
Size Range: OD: 6–50 mm; WT: 0.5–3.0 mm
Standards: API 17E / API 6A / ASTM A789 / ASTM B444
Achievable Quality : Long-length coiled tubing up to customized lengths, OD tolerance ±0.05 mm, 100% NDT inspection, and excellent corrosion & fatigue resistance.
Process Equipment Tubing
Typical Applications: Refinery equipment, petrochemical processing units, pressure systems, process piping connections
Typical Grades: 304L, 316L, 321, Duplex 2205, Super Duplex 2507
Size Range: OD: 6–630 mm; WT: 0.5–55 mm
Standards: ASTM A213 / ASTM A269 / ASTM A789 / ASTM A790 / EN 10216-5
Achievable Quality : Seamless structure, OD tolerance ±0.05 mm, ultrasonic, eddy current & hydrostatic tested
Customization Capabilities for Oil & Gas Stainless Steel Tubing
1. Dimension Customization
TORICH offers customized stainless steel tubes with outer diameters ranging from 3 mm to 1,800 mm and wall thicknesses from 0.5 mm to 55 mm. Tube lengths can also be customized to meet specific requirements, up to 18,000 mm. The outer diameter tolerance is ±0.05 mm.
2. Material Customization
Available grades include 304/304L, 316/316L, 321, 347, 904L, Duplex 2205, Super Duplex 2507, Alloy 625, and Alloy 825, selected based on corrosion, temperature, and pressure requirements.
3. Surface Treatment
TORICH provides customized surface treatment solutions, including bright annealing, pickling, passivation, polishing, and internal surface cleaning. Surface roughness can be controlled to an Ra ≤ 0.8 μm.
4. Custom Tube Bending & Forming
TORICH supports 2D/3D bending and U-bending, as well as end-forming services such as flaring, expanding, swaging, precision cutting, and deburring.
Our Certificate
IATF 16949:2016
ISO 9001:2015
Environmental Management System Certificate
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FAQ
Q: What are the common applications of stainless steel tubes in the oil and gas industry?
A: Stainless steel tubes are widely used in instrumentation systems, hydraulic control lines, chemical injection systems, offshore and subsea equipment, process equipment, and heat exchange systems.
Q: What quality documentation can TORICH provide?
A: Common documents include: EN 10204 3.1 material certificates, inspection reports, PMI (Positive Material Identification) reports, NDT (Non-Destructive Testing) reports, etc.
Q: Which stainless steel grades are typically supplied for oil and gas applications?
A: TORICH supplies grades such as 304/304L, 316/316L, 321, 347, 904L, Duplex 2205, Super Duplex 2507, Alloy 625, and Alloy 825, depending on factors like corrosiveness, pressure, temperature, and operating conditions.
Q: Can the tubes be pre-bent or pre-formed?
A: Yes. We offer services such as 2D/3D bending, U-bending, coiled tubing, and custom forming based on drawings to reduce fabrication and installation work for the client.
Q: What information is required for a quotation?
A: To provide an accurate quotation, clients typically need to provide the following information:
Material and grade, standard requirements, outer diameter and wall thickness, length or coil requirements, application environment, testing requirements, quantity, and delivery requirements, etc.