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STAINLESS STEEL WELD TUBE A249 TP316L BRIGHT ANNEALED CONDENSER
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Brand Name:YUHONG
Model Number:A249/SA249 TP316L
Certification:ISO / SGS
Price:Negotiable
Payment Terms:T/T, L/C AT SIGHT
Supply Ability:100 tons per month
Delivery Time:Depending on QTY
Company Data
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Contact Person
Jikin Cai
Business Type:
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Officials:
20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Product Details
STAINLESS STEEL WELD TUBE A249 TP316L BRIGHT ANNEALED CONDENSER
Abstract of ASTM A249
This guide specifies standard specification for nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels with various grades intended for such use as a boiler, superheater, heat exchanger, or condenser tubes. Heat and product analysis shall conform to the requirements as to chemical composition for carbon, manganese, phosphorous, sulfur, silicon, chromium, nickel, molybdenum, nitrogen, copper, and others. All materials shall be furnished in the heat-treated condition in accordance with the required solution temperature and quenching method. When the final heat treatment is in a continuous furnace, the number of tubes of the same size and from the same heat in a lot shall be determined from the prescribed size of the tubes. The material shall conform to the prescribed tensile and hardness properties such as tensile strength, yield strength, elongation, and Rockwell hardness number. The steel shall undergo mechanical tests such as tension test, flattening test, flange test, reverse-bend test, hardness test, and hydrostatic or nondestructive electric test. The grain size of different grades of steel shall be determined in accordance with the test methods.
Weld tube characteristics:
Production characteristics: Lightweight production equipment, low
investment, fast building material speed, simple welding method,
wide product specification range, high dimensional accuracy, small
wall thickness deviation, smooth surface, and high yield. In mass
production, the cost of welded pipes is more than 20% lower than
that of seamless pipes.
Advantages: During the production process, stainless steel welded
pipes are uniformly squeezed and then subjected to online bright
solution annealing, resulting in a very smooth surface. A smooth
surface is not easy to scale and has the function of preventing
scaling. This is beneficial for heat dissipation and does not
require frequent cleaning, saving time, effort, and money.
Secondly, when welding pipes, the advantage of uniform wall
thickness in the deep processing of sheet metal products is
relatively good, and it can also be arbitrarily sized with high
accuracy. Once again, stainless steel material has the
characteristic of corrosion resistance and has a longer service
life.
Specification
ASTM A249/A249M-18a Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
| Specifications | ASTM A213, A249, A270, A269 / ASME SA213, SA249, SA270, A269 |
| Standard | ASTM, ASME and API |
| Seamless Tubes Range | 1/2"OD - 12"OD |
| Welded Tubes Range | 1/2"OD - 12"OD, Guage: 25 SWG - 10 SWG |
| Outside Diameter | 3.00 mm - 219.10 mm, 6.35 mm O.D to 114.3 mm O.D |
| Length | Single Random, Double Random & Required Length |
| Thickness | 0.40 mm - 12.70 mm, 0.8 mm to12.7 mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS |
| Type | Seamless, Welded, ERW |
| Form | Round Tubes, Square Tubes, Rectangular Tube |
| End | Plain End, Beveled End, Treaded |
SS316L Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| SS316L | min. max. | - 0.03 | - 2.0 | - 0.75 | - 0.045 | - 0.03 | 16.0 18.0 | 2.00 3.00 | 10.0 14.0 | - 0.10 |
Mechanical Properties
| Grade | Tensile Strength (MPa) min | ield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316L | 485 | 170 | 40 | 95 | 217 |
Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Elec Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 7 |
Applications
- 1. Food preparation equipment particularly in chloride environments.
- 2. Laboratory benches & equipment.
- 3. Coastal architectural panelling, railings & trim.
- 4. Boat fittings.
- 5. Chemical containers, including for transport.
- 6. Heat Exchangers.
- 7. Woven or welded screens for mining, quarrying & water filtration.
- 8. Threaded fasteners.
- 9. Springs
Company Profile
Yuhong Group Co.,Ltd
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.
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