Skip to content

Seamless Instrumentation Tubes, Hydraulic Tube and Mechanical TubE

Instrumentation Tubes are widely used for hydraulic & pneumatic control system, Fuel supply lines, Pressure sensors lines for automotive industry for onshore control panels, Topside processing facilities and subsea manifolds in Oil and Gas industry , High purity tubes for semiconductors industry, Fuel rods, Control tubes for advanced engineering, Cooling circuits, Brake cylinders for automotive industry.

We at Krystal Global Engineering Limited, provide a Variety of Seamless Instrumentation Tubes, Hydraulic Tube and Mechanical Tube including Austenitic, Ferritic, Martensitic, Duplex, Super Duplex & Nickel Alloys.

Manufacturer of Stainless Steel

Krystal has approvals from several national and international clients . References includes supplies made to customers / end customers in Middle east , Europe and North America.

Grade Size & Standards

Austenitic Stainless Steel: TP 304/304L, EN 1.4031/1.4307, EN 1.4306, TP 304H, TP 310S, EN 1.4845, TP 316/316L, EN 1.4401/1,4404, TP 316Ti, EN 1.4571, TP 317/L, EN 1.4438, TP 321/321H, EN 1.4541, TP 347/H, EN 1.4550/1.4551, TP 904L, EN 1.4539, UNS 31254, TP 405, TP 409, TP 410.

Ferritic Steel Duplex Stainless Steel: UNS 31803/32205 (EN 1.4462), UNS 32750 ( EN 1.4410), UNS 32760 (EN 1.4501), UNS 31500

Nickel Alloys: UNS N08020, UNS N08028, UNS N04400, UNS N06600, UNS N06625, UNS N08800, UNS N08825

Special Grade: EN 1.4835, 1.4435, EN 1.4335, UNS No. S31050, 316L UG

Outside Diameter: 4 mm to 76 mm

Wall Thickness: 0.5 mm to 8.00 mm

Length: 6 mar Fixed Length or As per Customer’s Drawing.

Specification: ASTM A213, A269,  A-789, A 790

ASME SA213, SA269, SA-789, SA 790, SB 163 / SB 165 / SB 423/ SB 444 / SB 729 / SB 829

EN 10216-5 (TC1 / TC2) / EN 1127 / EN 10297-2 / DIN 2391

Standards: ASTM/ASME/EN/ DIN also available

Production process: Cold Pilgering / Cold Drawing

Supply Condition: Solution-annealed, pickled and passivated (CFD), Bright Annealed (CFA) (Up to RA < 0.4 MICRON) , Mirror OD Mechanical Polish

Production facilities: Pilger Mills, Draw benches, Straightening machine, Degreasing facility,  Solution & Bright annealing furnace.

Quality Testing: In house: NDT (Eddy current testing, Hydro testing), UT can be offered if required, Mechanical (Tensile/Hardness/Flattening /Flaring/bend), Chemical analysis, Corrosion –Inter granular corrosion, PMI (Positive Material Identification)

Quality Standards / Shop approvals: ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ENGINEERS INDIA LIMITED  (EIL), IBR, PED 2014/68/EU, AD 2000 – Merkblatt W0 & NORSOK.

Krystal Value Proposition

  • Best and High Quality Bright Annealing Seamless Steel Tube
  • Inside & Outside surface with Bright Annealed
  • Outside surface polished if customer requires
  • Hardness 80 HRB max.
  • Controlled Hardness
    • End Capped
    • Fixed Lengths
    • Controlled Dimensional Tolerances
  • Dual Grade & Specification Marked & Certified
    • High Roundness
    • High Cleanliness
    • 100% Eddy-Current Tested
    • 100% Ultrasonic Tested
  • 100% PMI Tested
  • NACE MR-0175 / ISO 15156
  • Corrosion Test, ASTM A262 Pr. E
  • EN 10305-1
  • EN 10216-5 TC1
  • ASTM A1016 / ISO 10893-1 / EN 10246-2

Main Industry Applications

  • Nuclear & Thermal Power generation
  • Oil & Gas
  • Process Industries
  • Chemical and Fertilizer
  • Nuclear Power Plant
  • Food & Beverage Processing
  • Automotive Industries
  • Aerospace
  • Medical and Pharmaceutical
    • Pneumatic Systems
    • Marine Equipments

For more information on grades & product sizes kindly email sales@krystalgeltd.com