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312 / 213 Flexible Stainless Steel Tubing High Pressure Coiled Universal

Categories Stainless Steel Heat Exchanger Tube
Brand Name: zheheng
Model Number: 25mm
Certification: ISO9001 PED
Place of Origin: CHINA
MOQ: Negotiable
Price: Negotiable
Payment Terms: L/C, T/T, D/A, D/P
Supply Ability: 50TONS/30DAYS
Delivery Time: 30 DAYS
Packaging Details: In bundles with waterproof material,or wooden crate packing
Material: 304l , 316L
Standard: ASTM A269/312/213
Type: seamless
Technique: Cold roll
material: 304l
inspection: 100%
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312 / 213 Flexible Stainless Steel Tubing High Pressure Coiled Universal

ASTM A269/312/213 Stainless steel seamless coiled tubing, heat exchanger tubes


zheheng steel supply heat exchanger tube ,ss seamless stainless steel coilded tubing, ss stainless steel heat exchanger tubes A213 standard china manufacturer ,304l ss seamless steel heat exchanger tubes exporter,316l ss stainless steel seamless heat exchanger tubes supplier in china ,with pickling and annealing surface is very popular in boilers and heat exchangers industry , water heater industry , air-conditioning industry etc . This kind of seamless tubes are have a very important position in our all products .

Process :

1 . We use Cold Drawn techonology to produce U bend tube
2 . U bend tubes produce will accordance to customer's drawings
3 . To avoid oxidation , inert gas (Argon) is passed through tubes ID at the required flow rate
4 . The radius is checked for its OD and wall thinning with the recommended specification
5 . We'll choose three different position or as customer's require to make sure tubes quality . We'll do physical properties and micro-structure test
6 . Visual inspection for waviness and cracks is done with Dye Penetrant Test
7 . Each tube is then hydro tested at the recommended pressure to check for leakage

Referenced Documents ASTM Standards:
A262 Practices for Detecting Susceptibility to Intergranular
Attack in Austenitic Stainless Steels A370 Test Methods and Definitions for Mechanical Testing of Steel Products A941 Terminology Relating to Steel, Stainless Steel, Related
Alloys, and Ferroalloys A999/A999M Specification for General Requirements for
Alloy and Stainless Steel Pipe A1016/A1016M Specification for General Requirements for
Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
E112 Test Methods for Determining Average Grain Size
E381 Method of Macroetch Testing Steel Bars, Billets,Blooms, and Forgings

chemical composition:

ASTM A213 / A213 M
Elements304L(wt%)316L (wt%)
(C) Carbon, max0.0350.035
(Mn) Manganese, max22
(P) Phosphorus, max0.0450.045
(S) Sulfur, max0.030.03
(Si) Silicon, max11
(Ni) Nickel8.0 - 12.010.0 - 14.0
(Cr) Chromium18.0 - 20.016.0 - 18.0
(Mo) MolybdenumN/A2.0 - 3.0
(Fe) IronBal.Bal.
(Cu) CopperN/AN/A
(N) NitrogenN/AN/A


production range:

Austenitic Steel:TP304,TP304L,TP304H,TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H,
TP317,TP317L, TP321, TP321H,TP347, TP347H,904L…
Duplex Steel :S32101,S32205,S31803,S32304,S32750, S32760
Others:TP405,TP409, TP410, TP430, TP439 ...
Russia Standard
08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,
10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,
12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т,
European Standard1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,
1.4438,1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501

product show:

Quality 312 / 213 Flexible Stainless Steel Tubing High Pressure Coiled Universal for sale
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