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Find ASTM A249 904L Tube, Welded Heat-Exchanger Tubes, 904L Condenser Tubes on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.
Payment Type: | L/C,T/T,D/P |
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Incoterm: | FOB,CFR,CIF,EXW,FCA |
Delivery Time: | 15 Days |
Model No.: ASTM, DIN, GB, AISI, JIS, ISO, etc other International Standards
ASTM A249 UNS N08904 Duplex Steel 904L Welded Heat-Exchanger and Condenser Tubes
Seamless tube is extruded and drawn from a billet while welded tube is produced from a strip that is roll formed and welded to produce a tube.
Welded tube is considerably less expensive than seamless tube and is readily available in long continuous lengths.
Electric Resistance Welded (ERW) pipe is manufactured by cold forming a flat steel strip into a rounded tube and passing it through a series of forming rollers to obtain a longitudinal seam.
The two edges are then simultaneously heated with a high frequency current and squeezed together to form a bond.
1. Duplex Steel 904L Welded Heat-Exchanger and Condenser Tubes Spection
Standard | ASTM, DIN, GB, AISI, JIS, ISO, etc other International Standards |
Dimensions | ASTM, ASME and API |
Specifications | ASTM A249 |
ERW Pipes & Tubes Size | 1/2″ NB – 24″ NB |
EFW Pipes & Tubes Size | 6″ NB – 100″ NB |
Pipes & Tubes Size | 1/2″ NB – 16″ NB |
Length | Single Random, Double Random & Required Length or As per Customer Requirement |
Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Types | ERW / EFW / Welded / Fabricated / LSAW Pipes |
Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
End | Plain End, Beveled End, Treaded |
Application | Food & Beverage Industry, Construction Industry, Nuclear, Thermal & Power Plants, Petrochemical, Boilers, Cement Industry, Geothermal Plants, Heat Exchangers, Instrumentation Jobs, Mechanical Jobs, Oil and Gas Equipments and Piping Works |
Package | Plastic caps on botd ends, Steel bundle, Woven bag or acc. to customers' request |
2. About Duplex Steel 904L Pipe Tube
904L SS Pipes,Tubing Equivalent
STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | KS | EN |
SS 904L | 1.4539 | N08904 | SUS 904L | Z2 NCDU 25-20 | 904S13 | STS 317J5L | X1NiCrMoCu25-20-5 |
904L SS Pipes,Tubes Chemical Properties
Grade | C | Mn | Si | P | S | Cr | MO | Ni | CU | |
904L | Min | – | – | – | – | – | 19.0 | 4.00 | 23.00 | 1.00 |
max | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 5.00 | 28.00 | 2.00 |
SS 904L Mechanical Properties
Density | 8.0 g/cm3 |
Melting Point | 1454 °C (2650 °F) |
Tensile Strength | Psi – 75000 , MPa – 515 |
Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
Elongation | 35 % |
He Bei GuangHao Pipe Fittings Co .,LTD Specializing in the production of steel pipe and pipe fittings
Main production:Heat Preservation Anticorrosive Pipe,Seamless Pipe,ERW/HFW Steel Pipe,LSAW STEEL PIPE,Spiral Tube,Buttweld Steel Pipe Fittings,Industrial Flanges,Steel Pipes,Buttweld Elbows,Buttwel Tees,Forged fittings,etc.
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Forged Fittings/Buttweld Steel Pipe Fittings Type: Elbow, cross, street elbow, tee, coupling, half coupling, cap, plug, bushing, union, outlet, sage nipple, bull plug, reducer insert, pipe nipple etc.
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