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ASTM A312 TP316L Welded Longitudinal Finned Tubes With Stainless Steel Fins

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ASTM A312 TP316L Welded Longitudinal Finned Tubes With Stainless Steel Fins

Brand Name : YUHONG

Model Number : ASTM A312 TP316L

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015

Place of Origin : CHINA

MOQ : Depend the size of finned tubes, 50-100PC

Price : 20-10000 USD

Payment Terms : L/C, T/T

Supply Ability : 1000 tons/month

Delivery Time : 70-90 days

Packaging Details : Ply-wooden Case With Iron Frame

Product : Fin Tubes or Finned Tube

Type : Longitudinal Finned Tubes

Base Tubes Standard : ASTM A312

Material : TP316L Base pipes and Stainless Steel Fins

Length : According to clients' need

Size and details : According to clients' need

Use : Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc

Packing : Ply-wooden Case With Iron Frame

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Longitudinal Finned Tubes ASTM A312 TP316L Welded Tubes With Stainless Steel Fins

Detailes of ASTM A312 Base Tubes

ASTM A312 This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.

Manufacture: Welded (WLD) pipe shall be made using an automatic welding process with no addition of filler metal during the welding process.

Heat treatment: All pipe shall be furnished in the heat-treated condition in accordance with the requirements 1900°F [1040°C] .

Surface Condition: The pipe shall be free of scale and contaminating exogenous iron particles. Pickling, blasting, or surface finishing is not mandatory when pipe is bright annealed. The purchaser is permitted to require that a passivating treatment be applied to the finished pipe

Tests: Transverse or Longitudinal Tension Test, Flattening Test, Grain Size, Flaring Test, Flange Test, Hardness Test, Hydrostatic Test or Nondestructive Electric Test

Chemical Composition (%)

Grade C Mn P S Si Cr Ni Mo
TP316L S31603 0.035 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.00-3.00

For small diameter or thin walls or both, where many drawing passes are required, a carbon maximum of 0.040% is necessary in grades TP304L and TP316L. Small outside diameter tubes are defined as those less than 0.500 in. [12.7 mm] in outside diameter and light wall tubes as those less than 0.049 in. [1.20 mm] in average wall thickness (0.044 in. [1.10 mm] in minimum wall thickness).

Mechanical Properties

Grade Tensile Strength,min Yield Strength (0.2%Offset,min) Elongation min.
TP316L 70ksi (485 MPa) 25ksi (170 MPa) 35%

ASTM A312 TP316L Welded Longitudinal Finned Tubes With Stainless Steel Fins

Definition

Longitudinal finned tubes are produced by resistance welding fins along the long direction of the tube. The fins first form a U-shaped channel so that each leg of the U-shape forms a fin.

Regular base pipe/tube material: carbon / alloy steel (A106, A333, A179, A335 P5, P22, P9, etc.)

stainless steel TP304, TP316L,TP321, etc.

copper alloy CuNi 70/30, CuNi 90/10, etc and other material.

Advantages

1.Reduce the installation space of the required heat transfer surface and at the same time, it has high reliability;

2.Improve the heat transfer efficiency in the effective space;

3.Heat transfer is strengthened to reduce flow resistance and metal consumption,etc.

ASTM A312 TP316L Welded Longitudinal Finned Tubes With Stainless Steel Fins

Application

Generally applicable to power stations or large high-temperature old equipment in the oil industry:

Industrial Furnace

Distillation Tower System

Air Cooled Heat Exchanger

Refining Unit

Petrochemical Separation Equipment

Evaporative Condenser

Closed Circuit Cooling Tower

Waste Heat Boiler

High Temperature Furnace Cooling System

Nuclear Power Plant Heat Exchange System,etc

Specifications For Various Types Of Finned Tubes

Type Description Base tube Fin specification (mm)
O.D. (mm) Fin pitch Fin height Fin thick
Embedded G-type fin tube 16-63 2.1~5 <17 ~0.4
Extruded Single metal / Combined metal 8-51 1.6~10 <17 0.2-0.4
Low fin tube / T-type fin tube 10-38 0.6~2 <1.6 ~0.3
Bamboo tube / corrugated tube 16-51 8.0~30 <2.5 ~0.3
Wound L / KL / LL type fin tube 16-63 2.1~5 <17 ~0.4
String String fin tube 25-38 2.1-3.5 <20 0.2-0.5
U-type U-type fin tube 16-38 / / /
Welding HF-welding fin tube 16-219 3~25 5~30 0.8-3
H/HH type fin tube 25-63 8~30 <200 1.5-3.5
Studed fin tube 25-219 8~30 5~35 φ5-20

ASTM A312 TP316L Welded Longitudinal Finned Tubes With Stainless Steel Fins


Product Tags:

Stainless Steel Longitudinal Finned Tubes

      

ASTM A312 Longitudinal Finned Tubes

      

Welded Longitudinal Finned Tubes

      
 ASTM A312 TP316L Welded Longitudinal Finned Tubes With Stainless Steel Fins Manufactures

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