| Customization: | Available |
|---|---|
| After-sales Service: | Support |
| Warranty: | 1 Year |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Introducing the ASTM A179 standard, specifically crafted for seamless, cold-drawn, low-carbon steel pipes that elevate the manufacturing precision of heat exchangers, condensers, and similar heat transfer marvels. These cutting-edge steel pipes boast a remarkably small wall thickness, perfectly engineered for optimal performance in tubular heat exchangers, condensers, and a diverse range of heat transfer applications.
Experience excellence with ASTM A179 standard steel pipes, celebrated for their outstanding heat transfer capability, robust mechanical strength, and exceptional corrosion resistance. These pipes are indispensable in heat exchangers and condensers across industries such as petroleum, chemical, pharmaceutical, food, light industry, machinery, and instruments, ensuring seamless operations and enhanced efficiency.
A heat exchanger is a pivotal device that orchestrates the transfer of heat from a hot fluid to a cold fluid, epitomizing the essence of heat transfer technology. Widely embraced across industrial sectors like chemical, petroleum, power, and food, heat exchangers are the unsung heroes in production, enabling processes as heaters, coolers, condensers, evaporators, and reboilers in chemical production with unmatched versatility and impact.
Discover the marvel of the heat exchange tube, a core component nestled within the heat exchanger cylinder, facilitating an efficient exchange of heat between two media. With its high thermal conductivity and excellent isothermal properties, this device is a testament to technology's ability to rapidly transfer thermal energy from one point to another with precision and reliability.
The quintessential role of heat exchanger tubes lies in their ability to facilitate the seamless heat transfer between multiple fluids at varying temperatures, achieving essential processes like heating, cooling, condensation, and evaporation with finesse. The performance of these tubes is crucial, directly influencing the heat transfer efficiency, reliability, and longevity of the heat exchanger, making them indispensable for optimized operations.
Application of heat exchanger tubes in different industries
1. Chemical industry: Catalyzing energy efficiency, heat exchanger tubes are pivotal in chemical production, expertly managing critical processes such as heating reaction materials, cooling products, and reclaiming waste heat, thereby redefining energy utilization and operational prowess.
2. Petroleum industry: Integral to petroleum refining, heat exchanger tubes ensure the seamless heating of crude oil and the precise separation of products, safeguarding the fluidity of the production process with unprecedented efficiency and reliability.
3. Power industry: Within the robust environment of power plant boilers, heat exchanger tubes masterfully manage the heating or cooling of fluids, catering to the dynamic demands of power production with adept precision.
4. Food industry: In food processing, heat exchanger tubes stand as sentinels of temperature control, adeptly heating and cooling food ingredients and products, ensuring optimal quality and consistency throughout the production process.
|
Permissible Variations in Outside Diameter
|
||
|
Outside Diameter
|
Permissible Variations, in. [mm]
|
|
| in. [mm] | over | under |
|
Hot-Finished Seamless Tubes
|
||
| 4[101.6] and under | 1/64[0.4] | 1/32[0.8] |
|
Welded Tubes and Cold-Finished Seamless Tubes
|
||
| under 1 [25.4] | 0.004[0.1] | 0.004[0.1] |
| 1 to 11/2 [25.4 to 38.1],incl | 0.006[0.15] | 0.006[0.15] |
| over 11/2 to 2[38.1 to 50.8],excl |
0.008 [0.2]
|
0.008 [0.2] |
| 2 to 21/2 [50.8 to 63.5],excl |
0.010 [0.25]
|
0.010 [0.25] |
| 21/2 to 3[63.5 to 76.2],excl |
0.012 [0.3]
|
0.012 [0.3] |
|
Permissible Variations in Wall Thickness
|
||||||||
|
Outside
Diameter,
in. [mm]
|
Wall Thickness, %
|
|||||||
|
0.095 [2.4] and Under |
Over 0.095 to 0.150 [2.4 to 3.8], incl |
Over 0.150 to 0.180
[3.8 to 4.6], incl
|
Over
0.180[4.6]
|
|||||
|
Over
|
Under
|
Over
|
Under
|
Over
|
Under
|
Over
|
Under
|
|
|
Seamless, Hot-Finished Tubes
|
||||||||
|
4 [101.6] and under
|
40 | 0 | 35 | 0 | 33 | 0 | 28 | 0 |
|
Seamless, Cold-Finished Tubes
|
||||||||
| over | under | |||||||
|
11/2[38.1] and under
|
20 | 0 | ||||||
| over 11/2[38.1] | 22 | 0 | ||||||
|
Welded Tubes
|
||||||||
|
All sizes
|
18 | 0 | ||||||
|
Permissible Variations in Weight Per Foot
|
||
|
Method of Manufacture
|
Permissible Variation in Weight
per Foot, %
|
|
|
Over
|
Under
|
|
|
Seamless, hot-finished
|
16 | 0 |
|
Seamless, cold-finished:
|
||
|
11/2 in. [38.1 mm] and under OD
|
12 | 0 |
|
Over 11/2 in. [38.1 mm] OD
|
13 | 0 |
|
Welded
|
10 | 0 |
|
Chemical Composition
|
|
|
Carbon, %
|
0.06-0.18
|
|
Manganese, %
|
0.27-0.63
|
|
Phosphorus, max, %
|
0.035
|
|
Sulfur, max, %
|
0.035
|
|
tensile properties
|
|
|
Tensile strength, min, ksi [MPa]
|
47 [325]
|
|
Yield strength, min, ksi [MPa]
|
26 [180]
|
|
Elongation in 2 in. or 50 mm, min, %
|
35 |
|
Hardness Requirements
|
|
| Hardness,max,HRB | 72 |
|
Mechanical Tests Required
|
|
|
Flattening Test
|
Extract 2 pcs from each batch and collect one specimen each for testing |
|
Flaring Test
|
Extract 2 pcs from each batch and collect one specimen each for testing |
|
Flange Test
|
Extract 2 pcs from each batch and collect one specimen each for testing |
|
Hydrostatic Test
|
Test one by one |
| Outer diameter of heat exchange tube(mm) | ||||||||||||
| 10 | 12 | 14 | 16 | 10 | 20 | 25 | 32 | 35 | 38 | 45 | 50 | 57 |
Q: Are you trading company or manufacturer?
A: We are professional manufacturer for steel pipes,and our company also is a very professional and technical foreign trade company for steel products. We have more export experience with competitive price and best after-sales service. Apart from this,we can provide a wide range of steel products to meet the requirement of customer.
Q:Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not. Honesty is our company's tenet.
Q: Do you provide samples ? is it free or extra?
A: The sample could can provide for customer with free,but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate.
Q: How can I get your quotation as soon as possible?
A: The email and fax will be checked within 24 hours,meanwhile,Wechat and WhatsApp will be online in 24 hours. Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.
Q: Do you have any certifications?
A: Yes,that's what we guarantee to our clients. we have IS09000,IATF16949 certinicate,ISO 14001 certificates etc.Our products are of high quality and we have professional engineers and development team.
Q: What is your terms of payment?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipmenit or paid against copy of B/L within 5 working days. 100% Irrevocable L/C at sight is favorable payment term as well.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
){kind=link}