Name: ASME SA213 T11 T12 Alloy Steel Seamless Tube For Hairpin Heat Exchangers
Brand: Yuhong
Price: 1 USD

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ASME SA213 T11 T12 Alloy Steel Seamless Tube For Hairpin Heat Exchangers

Brand Name:Yuhong

Certification:ASME, ASTM, ASME U Stamp

Model Number:Hairpin heat exchangers

Minimum Order Quantity:1000 kgs

Delivery Time:30-60DAYS

Payment Terms:T/T, L/C, D/A

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Yuhong Group Co.,Ltd

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Location: Ningbo Zhejiang China

Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA

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Product Details

ASME SA213 T11 T12 ALLOY STEEL SEAMLESS TUBE FOR HAIRPIN HEAT EXCHANGERS

YUHONG T11 and T22 alloy tubes are special alloy steel tubes used in high temperature and high pressure applications, primarily in boilers, heat exchangers, and other applications requiring high temperature and pressure resistance.

They are briefly summarized below: About high Temperature Resistance, both alloys are suitable for high temperature environments, but T22 performs better at extreme temperatures. For corrosion resistance: Both have excellent corrosion resistance and perform well in many industrial applications. The choice between T11 and T22 is based on the specific temperature, pressure requirements and budget.

T11&T22 Alloy Steel Seamless Tube Chemical Composition

Grade	C≤	Mn	P≤	S≤	Si≤	Mo
T11	0.05~0.15	0.30~0.60	0.025	0.025	0.50~1.0	0.44~0.65

Grade	C≤	Mn	P≤	S≤	Si≤	Mo
T22	0.05~0.15	0.30~0.60	0.025 max	0.025 max	0.50 max	0.87~1.13

Alloy Steel T11&T22 Seamless Tubes Mechanical Properties

Grade	Tensile Strength, MPa	Yield Strength, MPa	Elongation, %	Hardness, HB
T11	415 min	205 min	30 min	179 max

Grade	Tensile Strength, MPa	Yield Strength, MPa	Elongation, %	Hardness, HB
T22	415 min	220 min	30 min	163 max

Alloy Steel Seamless Seamless Tube Outside Diameter and Tolerance

Outside Diameter	OD Tolerance	WT Tolerance	Ovality Tolerance	Cut Length Tolerance
OD≤ 12, 7 mm	± 0, 13 mm	± 15 %	–	+ 3, 18 mm, – 0 mm
12, 7 mm < OD ≤ 38, 1 mm	± 0, 13 mm	± 10 %	max, 1, 65 mm	+ 3, 18 mm, – 0 mm
38, 1 mm < OD ≤ 88, 9 mm	± 0, 25 mm	± 10 %	max, 2, 41 mm	+ 4, 76 mm, – 0 mm

(picture shows the u bend tube bundle of hair pin heat exchangers)

The use of alloy tubes in hairpin heat exchangers (also known as U-type heat exchangers or U-tube heat exchangers) is of great significance, and the following are a few of their key aspects:

1. Overview of hairpin heat exchangers

A hairpin heat exchanger consists of a series of U-shaped or hairpin-shaped tubes in which a fluid flows inside the tube and exchanges heat with another fluid outside the tube. This design allows the heat exchanger to have a high heat transfer efficiency and a small footprint, and is suitable for environments with high temperature, high pressure or corrosive media.

2. Material Advantages

Alloy tube materials such as stainless steel, nickel-based alloys and copper alloys are widely used in hairpin heat exchangers because of their superior physical and chemical properties:
High Temperature Resistance: Alloy tubes are able to withstand the high temperature operating conditions commonly found in hairpin heat exchangers, ensuring the safety and stability of the equipment.
Corrosion resistance: when dealing with chemical or corrosive fluids, the corrosion resistance of alloy tubes significantly improves the life and reliability of the heat exchanger and reduces maintenance costs.

3. Heat exchange efficiency

The higher thermal conductivity and hydrodynamic properties of alloy tubes enable hairpin heat exchangers to achieve higher efficiency in the heat exchange process. The smoothness of the inner wall of the alloy tube reduces fluid resistance and optimizes flow, further improving heat transfer efficiency.

Company Profile

YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2015, ISO 14001, ISO 18001, API 5L , API 5CT , API 6D, And our branch company Zhejiang Yuhongwell Steel Co.Ltd has expanded its field of activities and entered in trade and supply of tubular & flat products in Duxplex and Super Duplex, Stainless Steel, Nickel Base alloy Steel ,Cr-Mo alloy steel , Copper Nickel alloy steel,Carbon Steel for our reputed clients worldwide. These products are widely used in various important sectors like Mining, Energy, Boiler & Heat Exchanger, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc.

YUHONG HOLDING GROUP has gained rich experience in Pipes, Fittings, Flanges, Valves, Structural steel, Coils and Plates in past eight years. In a short span of time, YUHONG brand has marked its global presence in more than 40 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand, Singapore, Malasyia, Indonesia, Thailand, Vietnam, Ukraine, Turkey,Sauid Arabia, Qatar, U.A.E,Israel,India, UK, France, Italy, Gernmany, Poland, Spain,... We have successfully implemented the orders of Cross Country Pipelines for our valuable customers. In addition, we have also developed a huge network of contacts and strategic alliances with most important manufacturers an stockists around the world.