•  ASTM A269 Seamless Polished Stainless Steel Tubes
  •  ASTM A269 Seamless Polished Stainless Steel Tubes
  •  ASTM A269 Seamless Polished Stainless Steel Tubes

ASTM A269 Seamless Polished Stainless Steel Tubes

Application: ASTM A269 Seamless Polished Stainless Steel Tubes

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  • Introduction
  • Specification
  • Application
  • Inquiry

Introduction:

 ASTM A269 Seamless Polished Stainless Steel Tubes

Specification:

 

Product Description
Standard: ASTM A269/ASME SA269
Material: 304, 304L, 316, 316L, 321, 347
Size: OD (6-159mm) x WT (1-15mm)
Application: Boiler, Heat Exchanger, etc.

Inspection items:
1, Chemical Composition
2, Size
3, Flaring test(seamless)
4, flanging test(welded)
5, Bending test
6, Hydrostatic Test or Eddy current test or Ultrasonic test
7, Surface quality
8, Hardness

Negotiated items:
1, Intercrystalline corrosion test
2, Stabilization heat treatment
3, BKS tube
4, Air pressure test under water.

Material
ASTM A269  Chemical Composition % Max
C
Mn
P
S
Si
Cr
Ni
Mo
N B
Nb
Ti
TP304
0.08
2.00
0.045
0.030
1.00
18.0-20.0
8.0-11.0
… .
TP304L
0.035
2.00
0.045
0.030
1.00
18.0-20.0
8.0-12.0
TP316
0.08
2.00
0.045
0.030
1.00
16.0-18.0
10.0-14.0
2.00-3.00
TP316L
0.035 D
2.00
0.045
0.030
1.00
16.0-18.0
10.0-15.0
2.00-3.00
TP321
0.08
2.00
0.045
0.030
1.00
17.0-19.0
9.0-12.0
5C -0.70
TP347
0.08
2.00
0.045
0.030
1.00
17.0-19.0
9.0-12.0
 
 
10C -1.10

 

Material
Heat treatment
Temperure F (C) Min.
Hardness
Brinell
Rockwell
TP304
Solution
1900 (1040)
192HBW/200HV
90HRB
TP304L
Solution
1900 (1040)
192HBW/200HV
90HRB
TP316
Solution
1900(1040)
192HBW/200HV
90HRB
TP316L
Solution
1900(1040)
192HBW/200HV
90HRB
TP321
Solution
1900(1040) F
192HBW/200HV
90HRB
TP347
Solution
1900(1040)
192HBW/200HV
90HRB

 

OD, inch
OD Tolerance inch(mm)
WT Tolerance %
Length Tolernace inch(mm)
+
-
≤ 1 /2
± 0.005 ( 0.13 )
± 15
1 /8 ( 3.2 )
0
> 1 /2~1 1 /2
± 0.005(0.13)
± 10
1 /8(3.2)
0
> 1 1 /2~< 3 1 /2
± 0.010(0.25)
± 10
3 /16(4.8)
0
> 3 1 /2~< 5 1 /2
± 0.015(0.38)
± 10
3 /16(4.8)
0
> 5 1 /2~< 8
± 0.030(0.76)
± 10
3 /16(4.8)
0
8~< 12
± 0.040(1.01)
± 10
3 /16(4.8)
0
12~< 14
± 0.050(1.26)
± 10
3 /16(4.8)
0

Application:

 Application: Boiler, Heat Exchanger, etc. 

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