Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes

Tubes and pipes

Boiler Tubes: Boiler tubes is tubes used for boiler systems, like boilers for civil use in life, general industrial boilers, locomotive boilers and thermal power boiler. According to different steam pressure, thermal power boilers are divided to low, medium, high pressure, high pressure, sub-critical pressure, supercritical pressure boilers, ultra-supercritical units. Production standards and materials for boilers tubes:…

Heat exchanger tubes (including U bending tubes): Heat exchanger tubes (including U bending tubes) are generally used in auxiliary machinery, low-pressure feed water heaters, high-pressure feed water heaters in large thermal power. "U" bending tube is characterized by small diameter, thin wall specialty in length. according to the different radius to complete "U"-tube assembly is made. Production standards and materials for heat exchagner tubes ( including U bending tubes):…

Mechanical tubes :D IN 1629: St37.0, St44.0, St52.0; GB/T8162: 10#, 20#, 35#, 45#, Q345A, Q345B, Q345C, Q345D, Q345E; ASTM A53: ASTM A53 Grade A,ASTM A53 Grade B( Dowload: ASTM A53 standard)
Seamless tubes for gas cylinders,CNG cylinders for Vehicle, gas cylinder for fire extinguisher, etc. Cylinder tubes: EN10083, ASTM A519-American materials and testing institution standards, steel grades: 37Mn, 30CrMo, 35CrMo, 34Mn2V, 34CrMo4, etc

Tubes/pipes used in pipelines for fluid transport

OTCG pipes: Line pipes, sleeve pipes, slotted pipes:
Standard API Spec 5L, B, X42, X52, X60, X65, X70, API Spec 5CT (Oil Pipes), API 5D
Drill Pipe Grade: E75, X95, G105, S135
Connection:NC26, NC31, NC38, NC40, NC46, NC50, 51/2FH, 6 5/8FH
Heavy Weight Drill Pipe Size: 3 1/2", 4 1/2", 5", 5 1/2"
Drill Collar Size: 4 3/4", 6 1/4", 6 1/2", 7", 8", 9", 9 1/2"
Slotted liner and composite screen liner
Grades: Pipe is manufactured under PSL 1 and PSL2 requirements.
Pipe end: Plain,Threaded, Bevelled

Tube and pipes in nuclear energy usages: Tubes standards RCC-M M3304 or agreement, used in Nuclear Class auxiliary system pipeline and component in nuclear reactor, materials: Z2CN18-10, Z5CN18-10, Z2CN19-10NS, Z5CND17-12, Z2CND17-12, Z2CND18-12NS
Tubes standard RCC-M M3303 or pertinent agreement, used in heat exchanger for chemical and dimension control system, heat eliminating system and containment spray system etc
Z2CN18-10, Z5CN18-10, Z2CN19-10NS, Z5CND17-12, Z2CND17-12, Z2CND18-12NS

Bright annealed precise tubes: A213 A213/A213M-99a Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A269/A269M Seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A312/A312M Seamless and welded, and heavily cold worked austenitic stainless steel pipes
Tubes/ pipes material: TP304L, TP316L, TP316Ti, TP321

Alloy tubes for heat resistance and corrosion uses used in pressure vessel, corrosion resistant and heat resistant pipeline : GB15011, JB4742, ASME SA-161, ASME SA-163, ASME SA-165, ASME SA-167; tubes materials:NiCu30 (UNS N04400), N6 (UNS N02200), UNS N08800, NS312 (UNS N06600)
Titanium Alloy Tubes: GB/T3624, GB/T3625, ASME B338, used in heat exchanger, condenser and pressure vessel

Bellows expansion joints, hoses: GB/T 14525-93《General specification for corrugated metallic hose assembiles》
GB/T 12777-1999《General specification for metal bellows expansion joints》
GB/T 12522-1996《Stainless steelbellows expansion joints》
Appliable to national defencse researching,mechanical industry,petrochemical industry,power prospectingand instrument industry and are also needas fittings of pneumatic tools, traffic, shipping,etc

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