ASME SA312 TP347 Austenitic Stainless Steel Square Fin Tube For Heat Exchangers

Product Details:

Place of Origin:	China , Korea
Brand Name:	YUHONG
Certification:	ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001
Model Number:	H Fin Tube

Payment & Shipping Terms:

Minimum Order Quantity:	1 PC
Price:	1 - 10000 USD
Packaging Details:	Ply-Wooden Case + Iron Frame
Delivery Time:	5 - 90 Days
Payment Terms:	L/C,T/T
Supply Ability:	10000 Tons/Month

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Detailed Product Description

Material Grade:	TP347	Standard:	ASME SA312 , ASTM A312
Material:	Carbon Steel, Alloy Steel And Stainless Steel	Type Of Base Pipe:	Seamless Steel Pipe
Type Of Fins:	Single H / Double H Type	Application:	Widely Used For Boiler, Heat Exchanger, Condenser, Refrigerator, Economizer And Other Parts Of Heat Industry.
Highlight:	ASME SA312 Square Fin Tube , cracking units Square Fin Tube , Welded serrated fin

ASME SA312 TP347 Austenitic Stainless Steel Square Fin Tube For Heat Exchangers

Product Description

The ASME SA312 TP347 Seamless Steel Square Fin Tube is manufactured from austenitic stainless steel containing columbium (niobium) and tantalum, providing enhanced resistance to intergranular corrosion after exposure to temperatures between 800-1500°F (427-816°C). This alloy is renowned for its exceptional high temperature strength and oxidation resistance.

These fin tubes deliver outstanding performance in demanding environments including chemical processing, petrochemical, power generation, aerospace, oil and gas, and food and beverage industries. Their reliability in high-temperature and corrosive applications ensures long-term operational efficiency.

Chemical Composition

Grade	Cr	Ni	Cb+Ta	Mn	Si	C	P	S	Fe
TP316	17.0-19.0%	9.0-13.0%	10*C to 1.00%	≤ 2.0%	≤ 0.75%	≤ 0.08%	≤ 0.045%	≤ 0.03%	Balance

Mechanical Properties

Grade	Tensile Strength	Yield Strength	Elongation	Hardness
TP316	Minimum 515 MPa (75,000 psi)	Minimum 205 MPa (30,000 psi)	35% minimum in 50 mm	≤ 95 HRB (Rockwell Hardness B)

Key Features

Intergranular Corrosion Resistance: Enhanced resistance due to columbium and tantalum content
High-Temperature Strength: Maintains structural integrity at elevated temperatures
Oxidation Resistance: Superior performance in high-temperature oxidizing environments
Weldability: Compatible with standard welding techniques
Mechanical Properties: Excellent strength characteristics at both ambient and elevated temperatures

Applications

Chemical Processing Industry: Heat exchangers, reactors, vessels, and piping systems handling corrosive chemicals at high temperatures.

Petrochemical Industry: Refinery equipment, cracking units, and furnace tubing exposed to aggressive substances and extreme temperatures.

Power Generation: Heat exchangers, steam generators, and boiler tubing requiring materials with exceptional high-temperature performance.

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