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Stainless Steel U Bend Tube

  • stainless steel boiler tubes&pipes heat exchange tubes&pipes
  • stainless steel boiler tubes&pipes heat exchange tubes&pipes
  • stainless steel boiler tubes&pipes heat exchange tubes&pipes
  • stainless steel boiler tubes&pipes heat exchange tubes&pipes
stainless steel boiler tubes&pipes heat exchange tubes&pipesstainless steel boiler tubes&pipes heat exchange tubes&pipesstainless steel boiler tubes&pipes heat exchange tubes&pipesstainless steel boiler tubes&pipes heat exchange tubes&pipes

stainless steel boiler tubes&pipes heat exchange tubes&pipes

  • SIZE:19*2*6100mm 25.4*2*6100mm
  • SUFACE:AP(Annealed and pickling) / MP(mechanically polish)
  • Product description: Stainless steel boiler pipes and tubes;Stainless Steel Heat Exchange Tubes and tubes and pipes; Stainless steel boiler tube
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Boiler pipe


Boiler Exchanger pipe, Stainless Steel Boiler Exchanger pipe,Stainless Steel Heat Exchanger Boiler pipes, Stainless Steel Seamless Heat Exchanger Boiler pipes, ASTM A312 Stainless Steel Seamless Boiler Tubing,Boiler pipes, Stainless Steel Boiler pipe,Stainless Steel Seamless Boiler Heat Exchanger pipes


Boiler exchanger As its name implies, this type of heat exchanger consists of an outer, elongated shell (large pressure vessel or housing) with a bundle of smaller diameter pipes located inside the shell housing. One type of fluid runs through the smaller diameter pipes, and another fluid flows over the pipes (throughout the shell) to transfer heat between the two fluids. The set of pipes is called a pipe bundle, and may be composed of several types of pipes; round, longitudinally finned, etc. depending on the particular application and fluids involved.


TINSI-STEEL has grown try to be one of the leading manufacturer and supplier for the seamless stainless steel boiler exchanger pipes such as ASTM A213, ASME SA213, Stainless Steel Pipes, Heat Exchanger pipes, Light Gauge Stainless Steel Pipes, and Stainless Steel BA pipe,and Stainless Steel Sanitary Tubing and capillary.


Mainly Boiler pipe grade of TINSI-STEEL

Austenitic stainless steels:304/304L/316/316L/316H/309S/309H/310S/310H/321/321H/347/347H

Duplex:2205/2507

Super Duplex:x100/904L/6-Moly 254/6-Moly 6XN

Nickel alloys:600/625/800/800H/800HT/825


TableMain standards requirements

Standard

ASTM-A213/A213M

ASTM A269/A269M

Grade

TP304 TP304L TP304H
TP316 TP316L TP316H TP316Ti
TP321 TP321H
TP317 TP347
TP309S TP310S

TP304 TP304L TP304H
TP316 TP316L TP316H TP316Ti
TP321 TP321H
TP317 TP347
TP309S TP310S

Yield Strength60.2mpa

≥175≥205

/

Tensile Strength6mpa

≥480≥515

/

Elongation65mpa

≥35

/

Flattening test

H=1.09S / (0.09+S/D)

H=1.09S / (0.09+S/D)

Expanding test

内孔扩张率21%-68%D
OD Expanding 21-68%D

α=60°,内孔扩张率21%-68%D
α=60°,OD Expanding 21-68%D


Hydraulic test

P=220.6t/D

P=220.6t/D

D

Pmax

D

Pmax

25.4

7

25.4

7

25.4-38.1

10

25.4-38.1

10

38.1-50.8

14

38.1-50.8

14

50.8-76.2

17

50.8-76.2

17

76.2-127

24

76.2-127

24

≥127

31

≥127

31

或用户指定可由无损探伤代替Can be replaced by ultrasonic or eddy current flaw detection

或用户指定可由无损探伤代替Can be replaced by ultrasonic or eddy current flaw detection

Intergranular corrosion test

ASTM A262E (补充要求)

ASTM A262E (补充要求)

Nondestructive test

ASTM E213(超声波) E309(涡流) E426(涡流)或水压任选一Automatic ultrasonic test to be agreed

Optional) ASTM E213(超声波) E309(涡流) E426(涡流)或水压任选一种 Automatic ultrasonic test to be agreed

heat

要求 Requirements

要求 Requirements


Outside Diameter Tolerangce

外径OD

允许偏差 Tolerangce

外径OD

允许偏差 Tolerangce

≤25.4

±0.10

≤12.7

±0.13

25.4~38.1

±0.15

12.7-38.1

±0.13

38.1~50.8

±0.20

38.1-88.9

±0.25

50.8~63.5

±0.25

88.9-139.7

±0.38

63.5~76.2

±0.30

139.7-203.2

±0.76

76.2~101.6

±0.38

101.6~190.5

0.38/-0.64

190.5~228.6

0.38/-1.14




Wall Thickness Tolerangce

OD

WT Tolerangce

OD

WT Tolerangce

≤38.1

+20%-0

≤12.7

±15%

38.1

+22%-0

12.7-203.2

±10%T


The inspection of TINSI-STEEL in Boiler pipe is strict than normal to ensure the quality requirement.

Heat Treatment and Solution Annealing / Bright Annealing

Cutting to required length and deburring;

Chemical Composition Analysis Test With 100% PMI and One pipe from each heat by Direct Reading Spectrometer

100% Hydrostatic Test and 100% Eddy Current Test

Ultrasonic Test subject to the MPS (Material Purchase Specification)

Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test

Impact Test subject to Standard request

Grain Size Test and Intergranular Corrosion Test

Ultrasoic measuring of Wall Thickness

Visual Test and Endoscope Test for Surface Quality Test (BA/polish pipe)


Boiler pipe applications of TINSI-STEEL

Renewables Applications

Chemical Processing/Petrochemical Applications

Oil and Gas

Power Generation Applications

TINSI-STEEL maintain a huge inventory of boiler tubing, and can respond quickly to any emergency need, delivering the expertise to help get your facility back to full operation quickly in any circumstance. Whether emergency or routine, we are known for our knowledgeable, user friendly, cooperative service and long-term, ongoing partnership outlook.