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Heat Exchanger Stainless Steel Seamless Tubes, DIN 17458, 1.4301, 1.4307 ,1.4401 ,1.4404, 1.4571 ,1.4438 boiler & heat

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Heat Exchanger Stainless Steel Seamless Tubes, DIN 17458, 1.4301, 1.4307 ,1.4401 ,1.4404, 1.4571 ,1.4438 boiler & heat

Country/Region china
City & Province ningbo zhejiang
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Product Details

Heat Exchanger Stainless Steel Seamless Tubes DIN 17458 1.4301 1.4307 1.4401 1.4404 1.4571 1.4438

 

Grade

Material
number

C
Si
Mn
P
S
N
Cr
Mo
Ni
Ti
others
Ferritic or martensitic steels
X2CrTi121.45120.0301.001.000.0400.015 10.50to12.50  6×(C+N)to0.65 
X6CrAl131.40020.081.001.000.0400.015 12.00to14.00   0.10to0.30Al
X6Cr171.40160.081.001.000.0400.015 16.00to18.00    
X3CrTi171.45100.051.001.000.0400.015 16.00to18.00  4×(C+N)+0.15 to 0.80 
X12Cr131.40060.08 to 0.151.001.500.0400.015 11.50to13.50 0.75  
Austenitic steels
X5CrNi18-101.43010.071.002.000.0450.0150.1117.00to19.50 8.00to10.50  
X2CrNi19-111.43060.0301.002.000.0450.0150.1118.00to20.00 10.00to12.00  
X2CrNiN18-101.43110.0301.002.000.0450.0150.12to0.2217.00to19.50 8.50to11.50  
X6CrNiTi18-101.45410.081.002.000.0450.015 17.00to19.00 9.00to12.005×C to 0.70 
X6CrNiNb18-101.45500.081.002.000.0450.015 17.00to19.00 9.00to12.00 10×Cto1.00Nb
X5CrNiMo17-12-21.44010.071.002.000.0450.0150.1116.50to18.502.00to2.5010.00to13.00  
X2CrNiMo17-12-21.44040.0301.002.000.0450.0150.1116.50to18.502.00to2.5010.00to13.00  
X6CrNiMoTi17-12-21.45710.081.002.000.0450.015 16.50to18.502.00to2.5010.50to13.505×C to 0.70 
X2CrNiMoN17-13-31.44290.0301.002.000.0450.0150.12to0.2216.50to18.502.50to3.0011.00to14.00  
X2CrNiMo18-14-31.44350.0301.002.000.0450.0150.1117.00to19.002.50to3.0012.50to15.00  
X3CrNiMo17-13-31.44360.051.002.000.0450.0150.1116.50to18.502.50to3.0010.50to13.00  
X2CrNiMoN17-13-51.44390.0301.002.000.0450.0150.12to0.2216.50to18.504.00to5.0012.50to14.50  

 

 

Specification:

ASME SA213/A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-

Steel Boiler, Superheater and Stainless Steel Heat Exchanger Tubes.

 

 

ASTM A249 / A249M:Standard Specification for Welded Austenitic Steel Boiler, Superheater

 

Heat-Exchanger, and Condenser Tubes.

 

Other Standard:DIN 17456 , DIN 17458, EN10216-5,  GOST 9940-81, GOST 9941-81, JIS-G3463,...

 

Material Grade:

American Standard

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,...

Europen Standard

1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438, 1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501

GOST 

08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т, 06ХН28МДТ

 

 

Size Range:

Production

 Outside Diameter

Wall Thickness

Heat Exchanger Tube

6.00mm to 101.6mm

0.5mm to 8mm

 

 

Final Finishing

Solution Annealed & Pickled/Bright Annealed.

 

 

Type of Tubes:

U-bend & Straight.

 

Some of the quality tests carried out by us includes:

Corrosion TestConducted only when specially requested by the client
Chemical AnalysisTest done as per required quality standards
Destructive / Mechanical TestingTensile | Hardness | Flattening | Flare | Flange
Reverse-bend and Re. flat testsCarried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
Eddy Current TestingDone to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
Hydrostatic Testing100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
Air Under Pressure TestTo check any evidence of air leakage
Visual InspectionAfter passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections


Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

  • Eddy Current Testing
  • O.P Testing
  • Radiography Testing
  • Corrosion Testing
  • Micro Testing
  • Macro Testing
  • IGC Testing
  • Ultrasonic testing
  • Liquid Penetrate testing

 

 

 

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