ASTM A803 Stainless Steel Feedwater Heater Tube




Welded Ferritic Stainless Steel Tube for Tubular Feed Water Heaters

Welded Ferritic Stainless Steel Feedwarter Heater Tube

ASTM A803 specification covers welded ferritic stainless steel feedwater heater tubes including those bent, if specified, into the form of U-tubes for application in tubular feedwater heaters. Welded ferritic stainless steel feedwater heater tube sizes covered shall be 5 ⁄8 to 1 in. [15.9 to 25.4 mm] inclusive, in outside diameter, and average or minimum wall thicknesses of 0.028 in. [0.7 mm] and heavier. ASTM A803 stainless steel welded feedwater heater tube made from flat-rolled steel by an automatic welding process with no addition of filler metal. We have trusted name as a ASTM A803 ss welded tube supplier.Our offered ASTM A803 ss welded tubes primarily consist of the austenitic grades of stainless steel including 409,439,444, 446Mo with annealed and pickled, bright annealed mill finish, polished finish. ASTM A803 grade 444 welded Square and rectangular tube shall be marked with the heat number.ASTM A803 Grade 409 welded tube is commonly shipped without protective coating. If special protection is needed, details shall be specified in the order. ASTM A803 grade 439 welded rectangular tube yield strength corresponding to a permanent offset of 0.2 % of the gage length of the specimen or to a total extension of 0.5 % of the gage length under load shall be determined.

ASTM A803 SS Welded Tube Specifications

Specifications ASTM A803/ ASME SA803
Grades ASTM A803( 405,409,439,444, 446Mo)
O.D. 12.7 – 102 MM
Wall Thickness 0.5 – 5 MM
Length Straight Lenghts upto 30 meters
Schedule SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.
Welding Method  TIG or TIG + Plasma or Laser
Finish 2B MIll Finish , No.4 finish, BA Finish, 400 Grit Finish, 550 Grit Finish, 600 Grit Finish
Types Round, Square, Rectangle, Coil, "U" Shape, Heat Exchanger Tube , Condnser Tube & Honed Tubes
Products ASTM A803 405 Stainless Steel Polished Tubes, SS 409 Polished Tubes, SS 439 No.4 Finish Tube, SS 444 Polished Tubes, ASTM A803 446Mo Tubing, ASTM A803 405 Heat Exchanger Tubes, ASTM A803 409 Welded Polished Tubes, ASTM A803 439 Stainless Steel Square Tube, ASTM A803 444 condenser tubes,ASTM A803 405 Square Tube
   

ASTM A803 Equivalent

GRADE UNS NO DIN/WERKSTOFF
ASTM A803 405 S40500 1.4002
ASTM A803 409 S40900 1.4512
ASTM A803 439 S43035 1.4510
ASTM A803 444 S44400 1.4521
ASTM A803 446Mo S44600 1.4672

Dimensions of ASTM A803 Welded Feedwater Heater Tubes

OD Size, in. (mm)

OD, ±in.

mm

ID, ±in.

mm

Up to 3⁄32 (2.4), excl

0.001

0.03

0.001

0.03

3⁄32 to 3⁄16 (2.4 to 4.8), excl

0.0015

0.038

0.0015

0.038

3⁄16 to 1⁄2 (4.8 to 12.7), excl

0.003

0.08

0.005

0.13

1⁄2 to 1 (12.7 to 25.4), excl

0.004

0.10

0.006

0.15

1 to 11⁄2 (25.4 to   38.1),excl

0.005

0.13

0.007

0.18

1 1⁄2 to 2 (38.1 to 50.8),excl

0.006

0.15

0.008

0.20

2 to 2 1⁄2 (50.8 to 63.5),excl

0.007

0.18

0.010

0.25

2 1⁄2 to 3 1⁄2 (63.5 to 88.9),excl

0.010

0.25

0.014

0.36

 

 

 

 

 

3 1⁄2 to 5 (88.9 to 127.0),incl

0.015

0.38

0.020

0.51

Over 5 to 16 (127.0 to 406.4), incl

0.00125 in./in. or mm/mm of cir-cumference

0.0013 in./in. or mm/mm of cir-cumference

 

Chemical Composition Of ASTM A803

Grade

UNSS 40900

UNS S 43035

UNSS 44627

UNS S 44626

UNS S 44635

UNS S 44660

UNSS 44700

UNSS 44800

UNS S 44400

UNS S 44735

 

TP409

TP439

TP XM-27

TP XM-33

25-4-4

26-3-3

29-4

29-4-2

18-2

29-4C

Element

 

 

 

 

Composition, %

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C, max

0.08

0.07

0.01A

0.06

0.025

0.030

0.010

0.010

0.025

0.030

Mn, max

1.00

1.00

0.40

0.75

1.00

1.00

0.30

0.30

1.00

1.00

P, max

0.045

0.040

0.02

0.040

0.040

0.040

0.025

0.025

0.040

0.040

S, max

0.030

0.030

0.02

0.020

0.030

0.030

0.020

0.020

0.030

0.030

Si, max

1.00

1.00

0.40

0.75

0.75

1.00

0.20

0.20

1.00

1.00

Ni

0.50 max

0.50 max

0.5B max

0.50 max

3.5–4.5

1.0–3.5

0.15 max

2.0–2.5

1.00 max

1.00 max

Cr

10.5–

17.0–19.0

25.0–27.5

25.0–27.0

24.5–26.0

25.0–28.0

28.0–30.0

28.0–30.0

17.5–19.5

28.0–30.0

 

11.7

 

 

 

 

 

 

 

 

 

Mo

. . .

. . .

0.75–1.50

0.75–1.50

3.5–4.5

3.0–4.0

3.5–4.2

3.5–4.2

1.75–2.50

3.6–4.2

Al

. . .

0.15 max

. . .

. . .

. . .

. . .

. . .

. . .

. . .

. . .

Cu

. . .

. . .

0.20 max

0.20 max

. . .

. . .

0.15 max

0.15 max

. . .

. . .

N

. . .

0.04 max

0.015

0.040 max

0.035

0.040 max

0.020

0.020

0.035 max

0.045 max

 

 

 

max

 

 

 

 

 

 

 

 

 

 

 

 

 

 

maxC

maxC

 

 

Ti

6 3 C

0.20 + 4 (C +

. . .

7 3 (C + N) but

(Ti + Cb) = 0.2

Ti + Cb = 6 3

 

 

(Ti + Cb) =

Ti + Cb = 6 3

 

min; 0.75

N) min; 1.10

 

no less than

+ 4 (C + N)

(C + N) but no

 

 

0.20 + 4 (C +

(C + N) but no

 

max

max

 

0.20 min;

min; 0.80

less than 0.20

 

 

N) min; 0.80

less than 0.20

 

 

 

 

 

 

min;

 

 

 

min; 1.00 max

 

 

 

 

1.00 max

max

1.00 max

 

 

max

 

Cb

. . .

. . .

0.05–0.20

. . .

. . .

. . .

. . .

. . .

. . .

. . .

 

 

 

 

 

 

 

 

 

 

 

ASTM A803 Mechanical Properties

Grade

Tensile Strength,min, ksi [MPa]

Yield Strength,min, ksi [MPa]

ElongationAin 2 in.or 50 mm,min, %

ASTM A803 Welded Tube TP 409

55 [380]

30 [205]

20

ASTM A803 Welded Tube TP 439

60 [415]

30 [205]

20

ASTM A803 Welded Tube TP XM-27

65 [450]

40 [275]

20

ASTM A803 Welded Tube TP XM-33

68 [470]

45 [310]

20

ASTM A803 Welded Tube 25-4-4

90 [620]

75 [515]

20

ASTM A803 Welded Tube 26-3-3

85 [585]

65 [450]

20

ASTM A803 Welded Tube 29-4

80 [550]

60 [415]

20

ASTM A803 Welded Tube 29-4-2

80 [550]

60 [415]

20

ASTM A803 Welded Tube 18-2

60 [415]

35 [240]

20

ASTM A803 Welded Tube 29-4C

75 [515]

60 [415]

18

ASTM A803 SS Welded Tube Hardness Requirement


Destructive Testing Facilities

Non Destructive Testing Facilities

Our in-house testing laboratory is accredited by NABL
Physical Testing Laboratory Spectrometer & Portable Spectrometer
ASTM A803 Welded Stainless Steel Tube Flattenining Test Positive Material Identification (PMI) Test
ASTM A803 Welded Stainless Steel Tube Tension Test Micro Structure Examination Test / Analysis
ASTM A803 Welded Stainless Steel Tube Flaring Test Ferrite Number Test
ASTM A803 Welded Stainless Steel Tube Flange Test Online O D Measurements
ASTM A803 Welded Stainless Steel Tube Reverse Bend Test Weight Measurement for Chemical Analysis
ASTM A803 Welded Stainless Steel Tube Transverse Tesnsion Test Online Eddy Current Test
ASTM A803 Welded Stainless Steel Tube Transverse Guide Bend Test Ultrasonic Test for Flaw Detection
ASTM A803 Welded Stainless Steel Tube Impact Test at Controlled Temperature Portable U T Tester for Thickness Measurement
Realtime Radiography Tests
X- Ray Test – Film Radiography
Film Reviewer
Surface Roughness
Videoscopy
Microscopes with Pohotograph Facility
Residual Stress Test
Hydrotest – Straight Tube and ‘U’ Bend Tubes
Air under Water Test – Straight length up to 30 Meter
Air under Water Test – for U Bends 15 Meter

Testing Facilities of ASTM A803 Stainless Steel Welded Tubes


Destructive Testing Facilities

Non Destructive Testing Facilities

Our in-house testing laboratory is accredited by NABL
Physical Testing Laboratory Spectrometer & Portable Spectrometer
ASTM A803 Welded Stainless Steel Tube Flattenining Test Positive Material Identification (PMI) Test
ASTM A803 Welded Stainless Steel Tube Tension Test Micro Structure Examination Test / Analysis
ASTM A803 Welded Stainless Steel Tube Flaring Test Ferrite Number Test
ASTM A803 Welded Stainless Steel Tube Flange Test Online O D Measurements
ASTM A803 Welded Stainless Steel Tube Reverse Bend Test Weight Measurement for Chemical Analysis
ASTM A803 Welded Stainless Steel Tube Transverse Tesnsion Test Online Eddy Current Test
ASTM A803 Welded Stainless Steel Tube Transverse Guide Bend Test Ultrasonic Test for Flaw Detection
ASTM A803 Welded Stainless Steel Tube Impact Test at Controlled Temperature Portable U T Tester for Thickness Measurement
Realtime Radiography Tests
X- Ray Test – Film Radiography
Film Reviewer
Surface Roughness
Videoscopy
Microscopes with Pohotograph Facility
Residual Stress Test
Hydrotest – Straight Tube and ‘U’ Bend Tubes
Air under Water Test – Straight length up to 30 Meter
Air under Water Test – for U Bends 15 Meter
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