Studded Tube ASTM A213 T9 For Furnaces

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number:	ASTM A213 T9

Payment & Shipping Terms:

Minimum Order Quantity:	Depend the size of finned tubes, 50-100PC
Price:	30-10000 USD
Packaging Details:	Ply-wooden Case With Iron Frame
Delivery Time:	40-60 days
Payment Terms:	L/C,T/T
Supply Ability:	1000 tons/month

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Detailed Product Description

Product:	Fin Tubes Or Finned Tube	Type:	Studded Fin Tubes
Standard:	ASTM A213	Material:	T9 Base Tubes And CS Fins
O.D.:	Generally Greater Than 100mm	Length:	According To Clients' Need
Use:	For Large Equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, Etc	Packing:	Ply-wooden Case With Iron Frame
Highlight:	OEM Studded Tube , T9 Studded Tube , T9 finned aluminum tubing

Studded Tube ASTM A213 T9 For Furnaces

Product Overview

Studded fin tubes, also known as nail head tubes or nail-like ribbed tubes, are widely used in petrochemical industries, particularly in the convection chambers of tubular furnaces to enhance heat transfer effects.

Design Features

Studded Fins: Protruding fins increase surface area for heat transfer and promote turbulent flow
Material: Constructed from durable materials including carbon steel, stainless steel, alloy or copper
Robust Structure: Studs arranged in specific formations for effective heat transfer in high-pressure applications

ASTM A213 T9 Alloy Specifications

ASTM A213 covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, including Grade T9.

Chemical Composition (%)

Grade	C	Mn	P	S	Si	Cr	Mo
T9	0.15	0.30-0.60	0.025	0.025	0.025-1.00	8.00-10.00	0.90-1.10

Mechanical Properties

Grade	Tensile Strength,min	Yield Strength (0.2%Offset,min)
T9	60ksi (415 MPa)	30ksi (205 MPa)

Key Advantages

Minimal heat affected zone with excellent weld microstructure
Significantly improved heat exchange efficiency compared to smooth tubes
Superior corrosion and wear resistance with low contact thermal resistance
Enhanced fluid mixing for improved thermal performance
Versatile applications across multiple industries
Robust construction for harsh operating conditions

Industrial Applications

Heat exchangers, boilers, furnaces and refineries
Power generation, petrochemical processes, and HVAC systems
Cooling towers, condensers, and evaporators
Fired heaters and thermal process equipment
Ship cooling systems and marine heat exchangers

Finned Tube Specifications

Type	Description	Base tube 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
Wound	L / KL / LL type fin tube	16-63	2.1~5	<17	~0.4
Welding	HF-welding fin tube	16-219	3~25	5~30	0.8-3
Studded	Studded fin tube	25-219	8~30	5~35	φ5-20

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