ASTM A269 316 stainless steel exchanger pipe
ASTM A269 316 stainless steel polishing tube:
The photo below is 316L stainless steel pipes for heat exchangers intended for our client from Pakistani country
size : OD13.5*0.7 thickness length 6555mm
Product: 316L Stainless Steel Pipes for Heat Exchangers
Material: ASTM A312/A790 316L (Ultra-low carbon, high corrosion
resistance)
Key Features:
- Excellent resistance to pitting/crevice corrosion in chloride environments.
- Ideal for heat exchangers, condensers, and high-temperature applications.
- Smooth surface finish to minimize fouling and enhance thermal efficiency.
- Available in customized sizes, schedules (SCH 10/40/80), and lengths.
Applications: Oil & gas, chemical processing, desalination plants, and power generation.
Compliant with international standards (ASTM, ASME, DIN).
316
Grade 316L (UNS S31603, EN 1.4404) is molybdenum-bearing austenitic stainless steels, which is more resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austenitic stainless steels such as Grade 304. The low carbon chemistry of 316L combined with an addition of nitrogen enables 316L to meet the mechanical properties of 316.
Grade 316L is often utilized in process streams containing chlorides or halides. The addition of molybdenum improves general corrosion and chloride pitting resistance. It also offers higher creep, stress-to-rupture, and tensile strength at elevated temperatures. In addition to excellent corrosion resistance and strength properties, the Grade 316L Cr-Ni-Mo alloys also provide excellent fabricability and formability which are typical of the austenitic stainless steels.
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PROPERTIES
Grade 316L may be considered for a wide variety of applications where one or more of the following properties are important:
Resists atmospheric corrosion, more resistant than Grade 304
Resists corrosion in polluted marine atmospheres
Heat Resistance
Heat Treatment
Prevention of product contamination
Resistance to oxidation
Easily welded and processed by standard shop fabrication practices.
Excellent formability
Hot and cold working
Beauty of appearance
Ease of cleaning
Good strength and toughness at cryogenic temperatures
Ready availability of a wide range of product forms
CHEMICAL COMPOSITION AND PHYSICAL PROPERTIES FOR 316L
| Item | C% | Si% | Mn% | P% | S% | Ni% | Cr% | Mo% | N% | Others |
| Min | — | — | — | — | 10.00 | 16.00 | 2.00 | — | — | |
| Max | 0.030 | 0.750 | 2.00 | 0.045 | 0.030 | 14.00 | 18.00 | 3.00 | 0.100 | — |
| Item | Tensile Test | Hardness Test | ||||
| 0.2%Y.S. | 1%Y.S. | T.S. | EL (%) | HRB | HV | |
| Min | 170 | — | 485 | 40 | — | — |
| Max | MPa | — | MPa | — | 95 | — |
APPLICATION
The high corrosion resistance of 316L allows for its use in widely range of industries, includes:
Food preparation equipment
Chemical processing for inks, rayons, photographic chemicals….
Laboratory benches and equipment
Rubber, plastics, pulp & paper machinery
Pollution control equipment
Boat fitting, value and pump trim
Heat exchangers
Pharmaceutical industries, surgical and medical implants, including pins, screws and orthopaedic implants
Condensers, evaporators and tanks
Architecture and marine applications
Specification:
Item:stainless steel polishing pipe
Type:welded or seamless
Standard:ASTM A554 JIS ,DIN
Grade:201,202, 304, 304L,316, 316L,409, 430,etc
Size:Round pipe:OD 8-219m
Square Pipe: OD 10x10mm -150x150mm
Rectangle Pipe:10x20mm to 120x180mm
Thickness:0.2-4.0mm
Pipe surface:180G, 320G, 400G, 500G, 600G,Satin, hairline, 2B,BA, mirror,8K
Pipe length:5.8m 6M 11.85M 12m
Application:
1.Decoration usage(road,bridge handrail,railing,bus stop,airport and gym
2.Construction and ornament
3.Industry area(petroleum,food,chemical,paper,fertilizer,fabric,aviation and nuclear.
| Square Steel Tube(mm) | Rectangular Steel Tube (mm) |
Round Steel Tube (mm) |
| 10×10×0.6~3.0 | 10×20×0.6~3.0 | 6×0.6~1.0 |
| 15×15×0.6~3.0 | 20×30×0.6~3.0 | 12×0.6~1.5 |
| 20×20×0.6~3.0 | 20×40×0.6~3.0 | 13×0.6~1.5 |
| 25×25×0.6~3.0 | 25×50×0.6~3.5 | 16×0.6~2.0 |
| 30×30×0.6~3.5 | 30×50×0.6~3.5 | 19×0.6~3.0 |
| 40×40×0.6~3.5 | 40×60×0.6~3.5 | 20×0.6~3.0 |
| 50×50×0.6~3.5 | 40×80×0.6~3.5 | 22×0.6~3.0 |
| 60×60×0.6~3.5 | 60×80×1.0~6.0 | 25×0.6~3.0 |
| 70×70×0.6~3.5 | 50×100×1.0~6.0 | 27×0.6~3.0 |
| 75×75×0.6~3.5 | 60×120×1.0~6.0 | 32×0.6~3.0 |
| 80×80×1.0~6.0 | 80×120×2.0~8.0 | 40×0.6~3.5 |
| 100×100×2.0~8.0 | 80×160×2.0~8.0 | 38×0.6~3.0 |
| 120×120×2.0~8.0 | 100×150×2.0~8.0 | 48×0.6~3.5 |
| 150×150×2.0~8.0 | 100×200×2.0~8.0 | 60×0.6~3.5 |
| 200×200×4.0~16.0 | 150×250×4.0~12.0 | 76×0.6~3.5 |
| 250×250×4.0~16.0 | 200×300×4.0~16.0 | 89×1.0~6.0 |
| 300×300×4.0~16.0 | 300×400×4.0~16.0 | 104×1.0~6.0 |
| 400×400×4.0~16.0 | 300×500×4.0~16.0 | 114×1.0~6.0 |
Quality advantage:
The quality of our products for the control line in oil and gas sector is assured not just during the controlled manufacturing process but also by way of finished product testing. Typical tests include:
1.Non-destructive tests
2. Hydrostatic tests
3.Surface finish controls
4. Dimensional accuracy measurements
5.Flare and coning tests
6. Mechanical and chemical property testing
Application caillary tube
1) Medical device industry
2) temperature-guided industrial temperature control, sensors used pipe, tube thermometer
3) Pens care industry core tube
4) micro-tube antenna, various types of small precision stainless steel antenna
5) With a variety of electronic small-diameter Stainless steel capillary
6) Jewelry needle punch
7) Watches, picture
8) Car antenna tube, bar antennas using tubes, antenna tube
9) Laser engraving equipment to use stainless steel tube
10) Fishing gear, accessories, Yugan out with possession of
11) Diet with stainless steel capillary
12) all types of mobile phone stylus a computer stylus
13) Heating pipe industry, oil industry
14) Printers, silent box needle
15) Pull a double-melt stainless steel tube used in window-coupled
16) A variety of industrial small diameter Precision stainless steel tubes
17) Precision dispensing with stainless steel needles
18) Microphone, headphones and microphone to use stainless steel tube, and so on



















