Seamless Heat Exchanger Tubes
Heat-exchanger tubes are used in the following types of equipment: shell & tube heat exchangers, Plate & Frame Heat Exchangers, Cooling Towers, Air Coolers and others. The main industries of heat-exchanger tubes application are chemical & petrochemical, Power generation (including nuclear), oil & gas, Food and Beverage, Pulp and Parer, Transportation, and others.
We at Krystal Global Engineering Limited, provide a variety of Stainless Steel Seamless Heat Exchanger Tubes, Including Austenitic, Ferritic, Martensitic, Duplex, Super Duplex & Nickel Alloys.
Krystal India supplies heat exchangers tubes for several critical applications which require high corrosion resistance materials and highest quality standards to be maintained. Some of these applications include condensers, coolers, evaporators, heaters in Refinery, Petrochemical , Chemical, Oil/Gas, Organic and Inorganic acids, Hydrometallurgy, Power generation and Desalination.
Krystal has approvals from several national and international clients. References include supplies made to customers/end customers in the 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: 6 mm to 101.6 mm
Wall Thickness: 0.6 mm to 8.00 mm
Length: As per Customer’s Drawing, Developed length up to 18 Meter Long.
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
Supply Condition: Solution-annealed, pickled and passivated (CFD), Bright Annealed (CFA), Mirror OD Mechanical Polish
Production process: Cold Pilgering / Cold Drawing
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.
Main Industry Applications
- Heat Exchangers
• Airfin Cooler
• LP / HP Heaters
- Pressure Vessels
- Oil & Gas
- Power Generation
- Chemical and Fertilizer
- Marine Equipments
- Refinery and Petrochemical
- Process Industry
• Food Processing
- Dairy / Pharmaceutical Industry
- Nuclear Power Generation