| Customization: | Available |
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| After-sales Service: | Support |
| Warranty: | 1 Year |
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Discover the remarkable OEM Low-Carbon Steel Tubes from Fujian Bluesky Pipe Manufacturing Co., Ltd., adhering to the prestigious ASTM A179 standard. These seamless cold drawn tubes are crafted with precision for manufacturing heat exchangers, condensers, and an array of heat transfer equipment. Their sleek, slender wall thickness makes them the ideal choice for tubular heat exchangers and condensers, ensuring exceptional efficiency and reliability.
The ASTM A179 standard steel pipes boast exceptional heat transfer capabilities, mechanical strength, and corrosion resistance. This excellent combination makes them indispensable in a wide range of industries like petroleum, chemical, pharmaceutical, food, light industry, machinery, and instruments. They provide unparalleled performance in equipment such as heat exchangers and condensers.
Heat exchangers, often referred to simply as heat exchangers, are vital devices in numerous industrial sectors including chemical, petroleum, power, and food industries. They play an essential role in production by transferring heat from a hot fluid to a cold fluid, functioning as heaters, coolers, condensers, evaporators, and reboilers. Their versatility and efficiency make them crucial for optimizing industrial processes.
A heat exchange tube, a key component of a heat exchanger, is strategically positioned inside the cylinder to facilitate the exchange of heat between two different media. Renowned for its high thermal conductivity and superior isothermal properties, it swiftly transfers thermal energy, making it the backbone of efficient heat exchange processes.
Heat exchanger tubes are engineered to achieve seamless heat transfer between multiple fluids at varying temperatures. They efficiently handle heating, cooling, condensation, and evaporation processes, which are crucial for maintaining the high efficiency, reliability, and longevity of heat exchangers.
Application of Heat Exchanger Tubes Across Various Industries
1. Chemical Industry: Heat exchanger tubes are pivotal in chemical production processes such as heating reaction materials, cooling products, and reclaiming waste heat, greatly enhancing energy utilization efficiency.
2. Petroleum Industry: Essential in the petroleum refining process, heat exchanger tubes efficiently heat crude oil and facilitate product separation, ensuring smooth and continuous production.
3. Power Industry: In power plant boilers and other energy equipment, heat exchanger tubes regulate fluid temperatures to meet the specific demands of power production.
4. Food Industry: In food processing, heat exchanger tubes are crucial for heating and cooling ingredients and products, ensuring precise temperature control throughout production.
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Permissible Variations in Outside Diameter
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Outside Diameter
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Permissible Variations, in. [mm]
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| in. [mm] | over | under |
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Hot-Finished Seamless Tubes
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| 4[101.6] and under | 1/64[0.4] | 1/32[0.8] |
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Welded Tubes and Cold-Finished Seamless Tubes
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| 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]
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0.008 [0.2] |
| 2 to 21/2 [50.8 to 63.5],excl |
0.010 [0.25]
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0.010 [0.25] |
| 21/2 to 3[63.5 to 76.2],excl |
0.012 [0.3]
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0.012 [0.3] |
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Permissible Variations in Wall Thickness
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Outside
Diameter,
in. [mm]
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Wall Thickness, %
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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
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Over
0.180[4.6]
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|||||
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Over
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Under
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Over
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Under
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Over
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Under
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Over
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Under
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Seamless, Hot-Finished Tubes
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4 [101.6] and under
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40 | 0 | 35 | 0 | 33 | 0 | 28 | 0 |
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Seamless, Cold-Finished Tubes
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| over | under | |||||||
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11/2[38.1] and under
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20 | 0 | ||||||
| over 11/2[38.1] | 22 | 0 | ||||||
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Welded Tubes
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All sizes
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18 | 0 | ||||||
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Permissible Variations in Weight Per Foot
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Method of Manufacture
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Permissible Variation in Weight
per Foot, %
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Over
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Under
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Seamless, hot-finished
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16 | 0 |
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Seamless, cold-finished:
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11/2 in. [38.1 mm] and under OD
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12 | 0 |
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Over 11/2 in. [38.1 mm] OD
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13 | 0 |
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Welded
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10 | 0 |
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Chemical Composition
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Carbon, %
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0.06-0.18
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Manganese, %
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0.27-0.63
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Phosphorus, max, %
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0.035
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Sulfur, max, %
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0.035
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tensile properties
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Tensile strength, min, ksi [MPa]
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47 [325]
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Yield strength, min, ksi [MPa]
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26 [180]
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Elongation in 2 in. or 50 mm, min, %
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35 |
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Hardness Requirements
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| Hardness,max,HRB | 72 |
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Mechanical Tests Required
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Flattening Test
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Extract 2 pcs from each batch and collect one specimen each for testing |
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Flaring Test
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Extract 2 pcs from each batch and collect one specimen each for testing |
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Flange Test
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Extract 2 pcs from each batch and collect one specimen each for testing |
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Hydrostatic Test
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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.
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