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Standard






This standard is issued under the fixed designation ASTM A 269; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval.

This specification covers grades of nominal-wall thickness, stainless steel tubing for general corrosion-resisting and low-or high-temperature service, as designated in Table 1.

The tubing sizes and thickness usually furnished to this specification are 1⁄4 in. (6.4 mm) in inside diameter and larger and 0.020 in. (0.51 mm) in nominal wall-thickness and heavier.

Mechanical properties requirements do not apply to tubing smaller than 1⁄8 in. (3.2 mm) in inside diameter or 0.015 in. (0.38 mm) in thickness. Additional testing requirements may apply for use in ASME B31.3 applications.

ASTM A 262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steel A 370 Test Methods and Definitions for Mechanical Testing of Steel Products A 480/A 480M Specification for General Requirements.



1 This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.10 on Stainless and Alloy Steel Tubular Products. Current edition approved March 1, 2004. Published April 2004. Originally approved in 1944. Last previous edition approved in 2002 as A 269 – 02a.

2 For referenced ASTM standards

Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip

A 632 Specification for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service
A 1016/A 1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
E 527 Practice for Numbering Metals and Alloys (UNS)

2.2 ASME Piping Code:
ASME B31.3 Process Piping3

Nominal Pipe Size (NPS): 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2 inch
Outside Diameter: 10,3 - 73 mm (0,405 - 2,875 inch)
Wall Thickness: 1,24 - 7,01 (0,049 - 0,276 inch)


Notes:

  1. Steel Grades - TP 304, TP 304L, TP 316, TP 316L, TP 321
  2. Technical requirements acc. to ASTM A 450.
  3. Size of pipes in accordance with ANSI/ASME B36.19M.
  4. The quality of pipes is ensured by manufacturing process and non-destructive test.
  5. Hardness of metal not less than 100 HB.
  6. Length tolerance of measured pipes not greater than +10 mm.
  7. Monitoring of continuity of metal by pneumotest with pressure of 6 bar is available.
  8. Intergranular corrosion test in accordance with ASTM A262, Practice E is available.


Sizes
NPS, inch
Outside Diameter, mm
Wall Thickness, mm
Max. Length, м
1/8
10,3
1,24; 1,73; 2,40
12
1/4
13,7
1,65; 2,24; 3,02
3/8
17,1
1,65; 2,31; 3,20
1/2
21,3
1,65; 2,11; 2,77; 3,73
3/4
26,7
1,65; 2,11; 2,87; 3,91
1
33,4
1,65; 2,77; 3,38; 4,55
10
1 1/4
42,4
1,65; 2,77; 3,56; 4,85
1 1/2
48,3
2,77; 3,68; 5,08
2
60,3
3,91; 5,54
7
2 1/2
73,0
5,16; 7,01


Mechanical properties
Steel Grade
Tensile Strength, N/mm2 (min)
Yield Strength, N/mm2 (min)
Elongation, % (min)
515
205
35
485
170
35
TP316
515
205
35
485
170
35
515
205
35

Chemical Composition (%, max)
Steel Grade
C
Si
Mn
Cr
Ni
Mo
S
P
TP304
0,08
0,75
2
18 - 20
8 - 11
-
0,03
0,04
TP304L
0,035
0,75
2
18 - 20
8 - 13
-
0,03
0,04
TP316
0,08
0,75
2
16 - 18
11 - 14
2 - 3
0,03
0,04
TP316L
0,035
0,75
2
16 - 18
10 - 15
2 - 3
0,03
0,04
TP321
0,08
0,75
2
17 - 20
9 - 13
-
0,03
0,04

Material Comparison Tables (ASTM →KS, JIS, DIN, BS, NBN, NF, UNI)

ASTM
UNS NO.
KOREA/JAPANES

GERMAN

BRITISH
FRENCH
ITALIAN
KS/JIS Symbol
KS/JIS No.
 
DIN Type

DIN
No.

Materiral
No.

B.S
No.

B.S Grade
AFNOR Type
NF No.
UNI Type
UNI No.
A 312 Seamless and Welded Austenitic Stainless Steel Pipe
TP 304 S30400 STS 304TP / SUS 304 TP D3576 / G3459 (16) X5CrNi 18 9 17440 1.4301 (3b) 3605 304S18 TU Z6 CN19-10 A 49-230 X5 CrNi 18 10 6904 (3b)
TP304H S30409 STS 304HTP / SUS 304HTP D3576 / G3459 (16) (3) 3605 304S59 TU Z6 CN19-10 A 49-214 X8 CrNi 19 10 6904 (3b)
TP 304L S30403 STS 304LTP/SU D3576 / G3459 (16) X2 CrNi 19 9 17440 1.4306 (3b) 3605 304S14 TU Z2 CN19-11 A 49-230 X2 CrNi 18 11 6904 (3b)
TP 310 S31000 304LTP D3576 / G3459 (16) (3) X22 Cr Ni 25 20 6904 (3b)
TP 316 S31600 STS 310STP/SU D3576 / G3459 (16) X5 CrNiMo 18 10 17440 1.4401 (3b) 3605 316S18 Z 6 CND 17.11 A 35-573   X5 CrNiMo 17 12 6904 (3b)
TP 316H S34609 310STP D3576 / G3459 (16) (3) 3605 316S59 TUZ6CND17-12 A 49-230 X8 CrNiNb 17 12 6904 (3b)
TP 316L S31603 STS 316TP / SUS 316TP D3576 / G3459 (16) X2 CrNiMo 18 10 17440 1.4404 (3b) 3605 316S14 TUNZ2CND17-12 A 49-230 X2 CrNiMo 17 12 6904 941
TP 321 S32100 STS 316HTP /SU D3576 / G3459 (16) x10 CrNiTi 18 9 17440 1.4541 (3b) 3605 321S18 Z6 CNT 18.11 A 49-230 X6 CrNiTi 18 11 6904 (3b)
TP 347 S34700 316HTP D3576 / G3459 (16) X5 CrNiNb 18 9 1.4543 (3b) 3605 347S18 Z6 CNNb 18.11 A 35-573   X6 CrNiNb 18 11 6904 (3b)
TP 347H S34709 STS 316LTP /SU D3576 / G3459 (16) (3) X6 CrNiNb 18 11 6904 (3b)
321LTP
  STS 321TP / SUS 321TP                          
    STS 347TP / SUS 347TP                            
    STS 347HTP / SUS 347HTP                            

For More Details,Please refer to: ASTM A269/269M