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Pickled SS Round Pipe Stainless Steel Heat Exchanger Pipe SS304 304L 316L Boiler

China Pickled SS Round Pipe Stainless Steel Heat Exchanger Pipe SS304 304L 316L Boiler

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Pickled SS Round Pipe Stainless Steel Heat Exchanger Pipe SS304 304L 316L Boiler

MOQ： 3 ton
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Payment Terms	L/C, T/T
Supply Ability	5000 Ton/Tons per Month
Delivery Time	7~10working days
Product name	Stainless Steel Round Pipe
Technique	Cold Rolled,Hot Rolled
Type	Seamless Pipe(SMLS)
Surface	No.1,2D,2B,BA,No.4,8k,Tempered
Standard	ASTMA312/A213/A269/B673/B674/B677/B675/B676/B69CA78ASME SB163 SB423/SB444 SB622/SB677
Process	Cold drawn, Cold rolled, Precision Rolled; HotRolled
Finish	Pickled, bright annealing, polished
Certification	ISO9001, CE
Place of Origin	Jiangsu, China
Brand Name	Changjian

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Product Specification


Payment Terms	L/C, T/T	Supply Ability	5000 Ton/Tons per Month
Delivery Time	7~10working days	Product name	Stainless Steel Round Pipe
Technique	Cold Rolled,Hot Rolled	Type	Seamless Pipe(SMLS)
Surface	No.1,2D,2B,BA,No.4,8k,Tempered	Standard	ASTMA312/A213/A269/B673/B674/B677/B675/B676/B69CA78ASME SB163 SB423/SB444 SB622/SB677
Process	Cold drawn, Cold rolled, Precision Rolled; HotRolled	Finish	Pickled, bright annealing, polished
Certification	ISO9001, CE	Place of Origin	Jiangsu, China
Brand Name	Changjian
High Light	pickled SS Round Pipe ，stainless steel heat exchanger tube ss304 ，stainless steel heat exchanger tube 304l

HEAT EXCHANGER STAINLESS STEEL SEAMLESS PIPE

What type of stainless steel is used in heat exchangers?

Austenitic stainless steels such as Type 304 and Type 316 are frequently selected for heat exchangers placed in cooling water service. These alloys generally perform well in clean water and are expected to give a long service life withminimal problems

Stainless Steel Grade 304 is the standard 18/8 (18% chrome, 8% nickel) austenitic stainless steel. It is a non-magnetic alloy in the annealed condition, however, becomes magnetic as it is cold worked. It is the most ordinarily utilized of all stainless grades. T304 can be effortlessly welded and is the preferred for many deep drawn, spun or formed parts due to its high ductility.

Stainless Steel Grade 304L has oxidation resistance to a maximum temperature of 1650°F (899°C) continuous without considerable scaling. The maximum temperature for intermittent presentation is 1500°F (816°C). Since 304L is an additional low-carbon variety of 304 it can frequently be utilized in the “as-welded” condition (without annealing), even in severe corrosive conditions, except for applications indicating stress relief. 304L has good welding qualities and can be welded by all standard strategy; however, consideration should be paid to maintain a strategic distance from weld “hot cracking”. To relieve stress during severe forming or spinning welding may be followed by annealing.

Stainless Steel Grade 304H includes a high carbon content making the steel more suitable for utilization in applications where high temperatures are available. The benefit of this grade is that it is an austenitic chromium-nickel steel alloy as well as the greater carbon content distribute to increased tensile and yield strength. The material is recommended for utilizing in ASME pressure vessels in working service above 525° C because of the grade's heat resistant properties.

STOCKING PROGRAM

Size Range : 1/4″ ~ 36″ NPS (Larger sizes available upon request)
Schedules : 10, 10s, 40, 40s, 80, 80s, 120, 160 (Custom wall thicknesses available upon request)
Stainless Steel Grades : 304, 304L, 316, 316L, 316L, 317L, 321 , 347
Special Alloys : 2205, 254SMo, Monel, Inconel
Chrome Moly : P5, P9, P11, P22, P91
Standards : ASTM / ASME

CHEMICAL COMPOSITION

Element	C	Mn	Si	P	S	Cr	Ni	N	Fe
304	0.07%	2.0%	0.75%	0.045%	0.03%	17.5~19.5%	8.0~10.5%	0.10%	Remainder
304L	0.03%	2.0%	0.75%	0.045%	0.03%	17.5~19.5%	8.0~12.0%	0.10%	Remainder
304H	0.04~0.10%	2.0%	0.75%	0.045%	0.03%	18.0~20.0%	8.0~10.5%	-	Remainder

MECHANICAL PROPERTIES

Grade	Tensile Strength (MPa) Min	Yield Strength 0.2% Proof (MPa) Min	Elongation (%in 50mm) Min	Hardness
Grade	Tensile Strength (MPa) Min	Yield Strength 0.2% Proof (MPa) Min	Elongation (%in 50mm) Min	Rockwell B (HR B) Max	Brinell (HB) Max
304	515	205	40	92	201
304L	485	170	40	92	201
304H	515	205	40	92	201

ADVANTAGES OF WELDED

Welded pipes are typically more cost effective than their seamless equivalents.
Welded pipes are usually more readily available than seamless. The longer lead time required for seamless pipes can not only make timing problematic, but it also allows more time for the price of the materials to fluctuate.
The wall thickness of welded pipes is generally more consistent than that of seamless pipes.
The internal surface of welded tubes can be checked before manufacturing, which isn’t possible with seamless.

ADVANTAGES OF WELDED

The main perceived advantage of seamless pipes is that they don’t have a weld seam.
Seamless pipes provide peace of mind. Although there should be no issues with the seams of welded pipes supplied by reputable manufacturers, seamless pipes prevent any possibility of a weak seam.
Seamless pipes have better ovality or roundness, than welded pipes.

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Year Established:

2008 
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Total Annual:

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Jiangsu Changjian Metal Products Co., Ltd. ,a professional metal raw material supplier. We have more than 10 years of experience in manufacturing stainless steel and carbon steel , which is located in Wuxi, the largest stainless-steel processing center in China. We provide stainless steel,carbon ste... Jiangsu Changjian Metal Products Co., Ltd. ,a professional metal raw material supplier. We have more than 10 years of experience in manufacturing stainless steel and carbon steel , which is located in Wuxi, the largest stainless-steel processing center in China. We provide stainless steel,carbon ste...

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