ASTM A249 Stainless Steel Welded Pipe for Solar Water Heater

• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, DIN, EN
• Grade: 300 Series
• Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round
• Technique: Welded
• Surface Treatment: Pickling
• Place of Origin: Zhejiang China
• Alloy or Not: Is Alloy
• Delivery Time: 8-14 Days
• Model Number: 304, 304L, 201, 316, 316L, 321, 317L, 309S, 310S,
• Application: Construction, Decorative, etc.
• Welding Line Type: ERW
• Processing Service: Bending, Welding, Punching, Decoiling, Moulding, C
• Item: 304 Inox Steel Tubing Steel Pipe
• Keyword: Stainless Steel Pipe
• Length: 5.8m, 6m, 8m, 11.8m or as Required.
• Used: Production Equipment and Lines for Food, Beverages
• Transport Package: According to Customer Requirements
• Specification: OD 6mm-5000mm
• Trademark: FLK
• Origin: Wenzhou, Zhejiang, China
• HS Code: 7304419000
• Production Capacity: 5000000pieces/Year

Product Description

Product Description

The description "ASTM A249 Stainless Steel Welded Pipe For Solar Water Heater" relates to a specific application and standard for stainless steel pipes. Here's a detailed analysis of the terminology and implications for its use:

1. ASTM A249: This refers to the American Society for Testing and Materials (ASTM) Standard A249. This standard is specifically designed for welded austenitic steel boiler, superheater, heat-exchanger, and condenser tubes. The specification covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels listed in the standard, with various grades including 304, 304L, 316, and 316L among others.

2. Stainless Steel Welded Pipe: The term "welded pipe" indicates that the stainless steel has been formed into a pipe shape and then the seams have been welded together. This process generally makes welded pipes less expensive than their seamless counterparts. The welded construction, however, must be of high quality to ensure that the pipe withstands the operational pressures and temperatures without failing, especially in critical applications like heat exchange.

3. For Solar Water Heater: This application suggests that the ASTM A249 stainless steel welded pipe is intended for use in solar water heating systems. Solar water heaters require robust materials that can withstand prolonged exposure to the elements and the cyclical heating and cooling that characterizes their operation. Stainless steel is ideal for this purpose due to its excellent resistance to corrosion and its ability to maintain structural integrity over a wide range of temperatures.

Implications and Uses:

• Corrosion Resistance: Stainless steel, particularly the austenitic grades specified in ASTM A249, offers superior corrosion resistance, which is essential for systems exposed to various weather conditions and water qualities.
• Heat Resistance: The ability of these stainless steel pipes to handle thermal stress is crucial in solar water heaters, where temperature variations can be significant and sudden.
• Durability: The longevity of stainless steel, coupled with its mechanical properties, ensures that solar water heating systems are durable and require minimal maintenance over their operational lifetime.

Given the critical nature of solar water heater installations, using ASTM A249 stainless steel welded pipes ensures that the system will be efficient, reliable, and capable of performing under the specific environmental conditions they will encounter. This standard helps to guarantee the quality and performance of the tubes used in such thermal applications.

Product Parameters

 

1.	Item	ASTM A249 Stainless Steel Welded Pipe For Solar Water Heater
2.	Standard	ASTM A213, ASTM A270,A312, ASTM A269,ASTM A778, ASTM A789, DIN 17456, DIN 17457,DIN 17459, JIS G3459, JIS G3463, GOS T9941,EN 10216,BS3605, GB13296,etc.
3.	Material	201,202,301,304,304L,304N,XM21,304LN,309S,310S,316,316Ti,316L,316N,316LN,317,317L, 321,329,etc.
4.	Specifications	Wall thickness	1.0-150mm(SCH10S-XXS)
		Outside diameter	3.0-2500mm(1/8"-100")
		Length	6m,5.8m,8m,11.8m,12m or as required.
5.	Surface	Pickling, annealing, polishing, bright, sand blast, hair line, etc.
6.	Price Term	Ex-work, FOB, CFR, CIF, or as required.

 

 

Chemical Composition
Material	C	Si	Mn	P	S	Ni	Cr	Mo	N
201	≤0.15	≤1.00	5.5~7.5	≤0.060	≤0.03	3.5~5.5	16.0~18.0	-	-
304	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	8.0~11.0	18.0~20.0	-	-
304L	≤0.03	≤0.75	≤2.00	≤0.045	≤0.03	8.0~12.0	18.0~20.0	-	-
316	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	10.0~14.0	16.0~18.0	2.00~3.00	-
316L	≤0.03	≤1.00	≤2.00	≤0.045	≤0.03	10.0~14.0	16.0~18.0	2.00~3.00	≤0.10

Product & Application

 

 

   Application of welded steel pipe,seamless steel pipe, cold hot rolled round pipe, and stainless steel pipe: construction material, buidlings, bridges, building decoration, chemical industry, car mainfold, water supply, petroleum pipeline, water pipe,boiler pipe, automobile pipe,hydraulic, building and equipment, pipeline