ASTM A312 Seamless Tube Supplier India

ASTM A312 Stainless Steel Pipes, ASME SA312 Pipe, astm a312 grade, astm a312 Pipe Manufacturer in India, astm a312 Suppliers in Mumbai


ASTM A312 Welded Pipe, ASTM A312 ERW Pipe, astm a312 Exporter, astm a312 schedule 40, astm a312 schedule 10s, ASME SA312 seamless pipe, astm a312 Pipe exporter in india


KAMAL STEEL INDUSTRIES is a market leading supplier, distributor, and manufacturer of ASTM A312 Seamless Tube. We are specialized in the supply of high-quality ASTM Tuberia ASTM A312 furnished in the heat-treated condition in accordance with the required heat treating temperature and cooling/testing requirements. ASTM A312 Stainless Steel Pipes Specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. ASTM A312 Seamless Pipe shall undergo mechanical tests such as transverse or longitudinal tension test and flattening test. We can provide ASME SA 312 Mill Test Certificate as per EN 10204 as per 3.1/3.2 TC.


 ASTM A312 Seamless Pipe

ASTM A312 Seamless Pipe

ASTM A312 / ASME SA312 Pipe

ASTM A312 Pipe

ASTM A312 Welded Pipe

ASTM A312 Welded Pipe


ASTM A312 Specification

Standards ASTM A312, ASME SA312
Type Seamless, Welded, ERW & EFW
Lengths SRL and DRL 5meters up to 11meters available from Stock or Production.
Sizes 1/8″ to 24″
Steel grades TP304, TP304L, TP316, TP316L, TP201
Schedules STD, XS, XXS, SCH5S, SCH10/10S, SCh30, SCH30, SCH40/40S, SCH60, SCH80/80S, SCH100, SCH120, SCH140, SCH160
Ends Plain/Bevelled

ASTM A312 Seamless Pipe has excellent corrosion resistance at normal temperatures in ordinary atmospheric conditions withstanding some natural acids, which is why this grade is used frequently in the food and drink processing industry. ASTM A312 EFW Pipe is widely used in Fertiliser Industries, Food Processing, Kitchen wares, Textile, Petrochemical, etc. Buy ASTM A312 Seamless Pipe at a reasonable price in India from us.

ASTM A312 Stainless Steel Pipes, ASTM A312 Seamless Pipe Dealer, ASTM A312 ERW Pipes, ASTM A312 EFW Pipe,ASTM A312 SS Pipe, ASTM A312 Cold Draw Seamless Pipes, ASTM A312 Stainless Steel ERW Pipe

SUPPLIERS OF ASTM A312 STAINLESS STEEL SEAMLESS PIPES,ASTM A312 SEAMLESS PIPE,ASTM A312 STAINLESS STEEL PIPE EXPORTER,ASTM A312 SEAMLESS PIPE DISTRIBUTOR, ASTM A312 PIPE DISTRIBUTOR, A312 SEAMLESS PIPE DEALER, ASTM A312 PIPE SUPPLIER IN MUMBAI, INDIA.

 

TYPES OF ASTM A312 STAINLESS STEEL PIPE

 

ASTM A312 Boiler Pipe
ASTM A312 Decorative Pipe
ASTM A312 Sanitary Pipe
ASTM A312 Polished Pipe

ASTM A312 Oval Pipe
ASTM A312 Hollow Pipe
ASTM A312 Exhaust Pipe
 ASTM A312 Hexgonal Pipe

 

ASTM A312 Stainless Steel Pipe Sizes

ASTM A312 SS Pipes are finished in accordance with customer needs regarding dimensional & wall thickness specifications as well as heat treatment for more demanding applications. In general a ss seamless pipe is manufactured in sizes from 1/2” to 8”NB according to current standards API, ASTM, and ASME.

ASTM A312 PIPE DIMENSIONS AND WEIGHTS

ASTM A312 PIPE WALL THICKNESS (in MM)

NPS OD SCH 5S SCH 10S SCH 40S SCH 80S
1/4 13.72 1.65 2.24 3.02
3/8 17.15 1.65 2.31 3.2
1/2 21.34 1.65 2.11 2.77 3.73
3/4 26.67 1.65 2.11 2.87 3.91
1 33.4 1.65 2.77 3.38 4.55
1 1/4 42.16 1.65 2.77 3.56 4.85
1 1/2 48.26 1.65 2.77 3.68 5.08
2 60.33 1.65 2.77 3.91 5.54
2 1/2 73.03 2.11 3.05 5.16 7.01
3 88.9 2.11 3.05 5.49 7.62
3 1/2 101.6 2.11 3.05 5.74 8.08
4 114.3 2.11 3.05 6.02 8.56
5 141.3 2.77 3.4 6.55 9.53
6 168.28 2.77 3.4 7.11 10.97
8 219.08 2.77 3.76 8.18 12.7
10 273.05 3.4 4.19 9.27 12.7
12 323.85 3.96 4.57 9.53 12.7
14 355.6 3.96 4.78 9.53 12.7
16 406.4 4.19 4.78 9.53 12.7
18 457.2 4.19 4.78 9.53 12.7
20 508 4.78 5.54 9.53 12.7
22 558.8 4.78 5.54
24 609.6 5.54 6.35 9.53 12.7
26 660.4
28 711.2
30 762 6.35 7.92

ASTM A312 PIPE WEIGHT (in LBS x FOOT, ASME B36.19)

NPS OD Schedule Wall Thickness Inside Diameter Weight
(Inches) (ANSI/ASME)  (Inches)  (Inches) (lbs./ft.) 
 1/8 0.405 10/10S 0.049 0.307 0.1863
Std./40/40S 0.068 0.269 0.2447
XS/80/80S 0.095 0.215 0.3145
 1/4 0.54 10/10S 0.065 0.41 0.3297
Std./40/40S 0.088 0.364 0.4248
XS/80/80S 0.119 0.302 0.5351
 3/8 0.675 10/10S 0.065 0.545 0.4235
Std./40/40S 0.091 0.493 0.5676
XS/80/80S 0.126 0.423 0.7388
 1/2 0.84 5/5S 0.065 0.71 0.5383
10/10S 0.083 0.674 0.671
Std./40/40S 0.119 0.622 0.851
XS/80/80S 0.147 0.546 1.088
160 0.188 0.466 1.309
XX 0.294 0.252 1.714
 3/4 1.05 5/5S 0.065 0.92 0.6838
10/10S 0.083 0.884 0.8572
Std./40/40S 0.113 0.824 1.131
XS/80/80S 0.154 0.742 1.474
160 0.219 0.618 1.944
XX 0.308 0.434 2.441
1 1.315 5/5S 0.065 1.185 0.8678
10/10S 0.109 1.097 1.404
Std./40/40S 0.133 1.049 1.679
XS/80/80S 0.179 0.957 2.172
160 0.25 0.815 2.844
XX 0.358 0.599 3.659
1 1/4 1.66 5/5S 0.065 1.53 1.107
10/10S 0.109 1.442 1.806
Std./40/40S 0.14 1.38 2.273
XS/80/80S 0.191 1.278 2.997
160 0.25 1.16 3.765
XX 0.382 0.896 5.214
1 1/2 1.9 5/5S 0.065 1.77 1.274
10/10S 0.109 1.682 2.085
Std./40/40S 0.145 1.61 2.718
XS/80/80S 0.2 1.5 3.631
160 0.281 1.338 4.859
XX 0.4 1.1 6.408
2 2.375 5/5S 0.065 2.245 1.604
10/10S 0.109 2.157 2.638
Std./40/40S 0.154 2.067 3.653
XS/80/80S 0.218 1.939 5.022
160 0.344 1.689 7.462
XX 0.436 1.503 9.029
2 1/2 2.875 5/5S 0.083 2.709 2.475
10/10S 0.12 2.635 3.531
Std./40/40S 0.203 2.469 5.793
XS/80/80S 0.276 2.323 7.661
160 0.375 2.125 10.01
XX 0.552 1.771 13.69
3 3.5 5/5S 0.083 3.334 3.029
10/10S 0.12 3.26 4.332
Std./40/40S 0.216 3.068 7.576
XS/80/80S 0.3 2.9 10.25
160 0.438 2.624 14.32
XX 0.6 2.3 18.58
3 1/2 4 5/5S 0.083 3.834 3.472
10/10S 0.12 3.76 4.973
Std./40/40S 0.226 3.548 9.109
XS/80/80S 0.318 3.364 12.5
XX 0.636 2.728 22.85
4 4.5 5/5S 0.083 4.334 3.915
10/10S 0.12 4.26 5.613
Std./40/40S 0.237 4.026 10.79
XS/80/80S 0.337 3.826 14.98
120 0.438 3.624 19
160 0.531 3.438 22.51
XX 0.674 3.152 27.54
4 1/2 5 Std./40/40S 0.247 4.506 12.53
XS/80/80S 0.355 4.29 17.61
XX 0.71 3.58 32.43
5 5.563 5/5S 0.109 5.345 6.349
10/10S 0.134 5.295 7.77
Std./40/40S 0.258 5.047 14.62
XS/80/80S 0.375 4.813 20.78
120 0.5 4.563 27.04
160 0.625 4.313 32.96
XX 0.75 4.063 38.55
6 6.625 5/5S 0.109 6.407 7.585
10/10S 0.134 6.357 9.289
Std./40/40S 0.28 6.065 18.97
XS/80/80S 0.432 5.761 28.57
120 0.562 5.491 36.39
160 0.719 5.189 45.35
XX 0.864 4.897 53.16
7 7.625 Std./40/40S 0.301 7.023 23.57
XS/80/80S 0.5 6.625 38.05
XX 0.875 5.875 63.08
8 8.625 5S 0.109 8.407 9.914
10/10S 0.148 8.329 13.4
20 0.25 8.125 22.36
30 0.277 8.071 24.7
Std./40/40S 0.322 7.981 28.55
60 0.406 7.813 35.64
XS/80/80S 0.5 7.625 43.39
100 0.594 7.439 50.95
120 0.719 7.189 60.71
140 0.812 7.001 67.76
XX 0.875 6.875 72.42
160 0.906 6.813 74.69
9 9.625 Std./40/40S 0.342 8.941 33.9
XS/80/80S 0.5 8.625 48.72
XX 0.875 7.875 81.77
10 10.75 5S 0.134 10.482 15.19
10S 0.165 10.42 18.7
20 0.25 10.25 28.04
30 0.307 10.136 34.24
Std./40/40S 0.365 10.02 40.48
XS/60/80S 0.5 9.75 54.74
80 0.594 9.564 64.43
100 0.719 9.314 77.03
120 0.844 9.064 89.29
140 1 8.75 104.13
160 1.125 8.5 115.64
11 11.75 Std./40/40S 0.375 11 45.55
XS/80/80S 0.5 10.75 60.07
XX 0.875 10 101.63
12 12.75 5S 0.165 12.42 22.18
10S 0.18 12.39 24.2
20 0.25 12.25 33.38
30 0.33 12.09 43.77
Std./40S 0.375 12 49.56
40 0.406 11.938 53.53
XS/80S 0.5 11.75 65.42
12 12.75 60 0.562 11.626 73.15
80 0.688 11.376 88.63
100 0.844 11.064 107.32
120 1 10.75 125.49
140 1.125 10.5 139.67
160 1.312 10.126 160.27
14 14 10S 0.188 13.624 27.73
10 0.25 13.5 36.71
20 0.312 13.376 45.61
Std./30/40S 0.375 13.25 54.57
40 0.438 13.124 63.44
XS/80S 0.5 13 72.09
60 0.594 12.814 85.05
80 0.75 12.15 106.13
100 0.938 12.126 130.85
120 1.094 11.814 150.9
140 1.25 11.5 170.21
160 1.406 11.188 189.1
16 16 10S 0.188 15.624 31.75
10 0.25 15.5 42.05
20 0.312 15.376 52.27
Std./30/40S 0.375 15.25 62.58
XS/40/80S 0.5 15 82.77
60 0.656 14.688 107.5
80 0.844 14.314 136.61
100 1.031 13.938 164.82
120 1.219 13.564 192.43
140 1.438 13.124 223.64
160 1.594 12.814 245.25
18 18 10S 0.188 17.624 35.76
10 0.25 17.5 47.39
20 0.312 17.376 58.94
Std./40S 0.375 17.25 70.59
30 0.438 17.124 82.15
XS/80S 0.5 17 93.45
40 0.562 16.876 104.67
60 0.75 16.5 138.17
80 0.938 16.126 170.92
100 1.156 15.688 207.96
120 1.375 15.25 244.14
140 1.562 14.876 274.22
160 1.781 14.438 308.5
20 20 10 0.25 19.5 52.73
20 0.375 19.25 78.6
30 0.5 19 104.13
40 5.94 18.814 123.11
60 8.12 18.376 166.4
80 1.031 17.938 208.87
100 1.281 17.438 256.1
120 1.5 17 296.37
140 1.75 16.5 341.09
160 1.969 16.064 379.17
22 22 10/10S 0.25 21.5 58.07
Std./20/40S 0.375 21.25 86.61
XS/30/80S 0.5 21 114.81
60 0.875 20.25 197.41
80 1.125 19.75 250.81
100 1.375 19.25 302.88
120 1.625 18.75 353.61
140 1.875 18.25 403
160 2.125 17.75 451.06
24 24 10/10S 0.25 23.5 63.41
Std./20/40S 0.375 23.25 94.62
XS/80S 0.5 23 125.49
30 0.562 22.876 140.68
40 0.688 22.626 171.29
60 0.969 22.064 238.35
80 1.219 21.564 296.58
100 1.531 20.938 367.39
120 1.812 20.376 429.39
140 2.062 19.876 483.1
160 2.344 19.314 542.13
26 26 10 0.312 25.376 85.6
Std./40S 0.375 25.25 102.63
XS/80S 0.5 25 136.17
28 28 10 0.312 27.376 92.26
Std./40S 0.375 27.25 110.64
20/80S 0.5 27 146.25
30 0.625 26.75 182.73
30 30 10 0.312 29.376 98.93
Std./40S 0.375 29.25 118.65
XS/20/80S 0.5 29 157.53
30 0.625 28.75 196.08
32 32 10 0.312 31.376 105.59
Std. 0.375 31.25 126.66
20 0.5 31 168.21
30 0.625 30.75 109.43
40 0.688 30.624 230.08
34 34 10 0.312 33.376 112.25
Std. 0.375 33.25 134.67
20 0.5 33 178.89
30 0.625 32.75 222.78
40 0.688 32.624 244.77
36 36 10 0.312 35.375 118.92
Std./40S 0.375 35.25 142.68
XS/80S 0.5 35 189.57

WEIGHT (in KG x METER) ASTM A312 PIPE (ASME B36.19)

Nominal Pipe Size Outside Diameter Stainless Steel Pipes Dimensions
Schedule 5S Schedule 10S Schedule 40S Schedule 80S
(mm) (inch) WT / WEIGHT
mm (in) kg/m mm (in) kg/m mm (in) kg/m mm (in) kg/m
1/8 10.3 0.405 1.25 (0.049) 0.28 1.73 (0.068) 0.37 2.42 (0.095) 0.47
1/4 13.7 0.540 1.66 (0.065) 0.49 2.24 (0.088) 0.63 3.03 (0.119) 0.80
3/8 17.2 0.675 1.66 (0.065) 0.63 2.32 (0.091) 0.85 3.20 (0.126) 1.10
1/2 21.3 0.840 1.65 (0.065) 0.81 2.11 (0.083) 1.00 2.77 (0.109) 1.27 3.74 (0.147) 1.62
3/4 26.7 1.050 1.65 (0.065) 1.02 2.11 (0.083) 1.28 2.87 (0.113) 1.68 3.92 (0.154) 2.20
1 33.4 1.315 1.65 (0.065) 1.30 2.77 (0.109) 2.09 3.38 (0.133) 2.50 4.55(0.179) 3.24
1 1/4 42.2 1.660 1.65 (0.065) 1.66 2.77 (0.109) 2.69 3.56 (0.140) 3.39 4.86 (0.191) 4.47
1 1/2 48.3 1.900 1.65 (0.065) 1.91 2.77 (0.109) 3.11 3.69 (0.145) 4.06 5.08 (0.200) 5.41
2 60.3 2.375 1.65 (0.065) 2.40 2.77 (0.109) 3.93 3.92 (0.154) 5.45 5.54 (0.218) 7.49
2 1/2 73.0 2.875 2.11 (0.083) 3.69 3.05 (0.120) 5.26 5.16 (0.203) 8.64 7.01 (0.276) 11.4
3 88.9 3.500 2.11 (0.083) 4.52 3.05 (0.120) 6.46 5.49 (0.216) 11.3 7.62 (0.300) 15.3
3 1/2 101.6 4.000 2.11 (0.083) 5.18 3.05 (0.120) 7.41 5.74 (0.226) 13.6 8.08 (0.318) 18.6
4 114.3 4.500 2.11 (0.083) 5.84 3.05 (0.120) 8.37 6.02 (0.237) 16.1 8.56 (0.337) 22.3
5 141.3 5.563 2.77 (0.109) 9.46 3.41 (0.134) 11.6 6.56 (0.258) 21.8 9.53 (0.375) 31.0
6 168.3 6.625 2.77 (0.109) 11.3 3.41 (0.134) 13.9 7.12 (0.280) 28.3 10.9 (0.432) 42.6
8 219.1 8.625 2.77 (0.109) 14.8 3.76 (0.148) 20.0 8.18 (0.322) 42.5 12.7 (0.500) 64.6
10 273.1 10.750 3.41 (0.134) 22.7 4.20 (0.165) 27.8 9.28 (0.365) 60.4 12.7 (0.500) 81.5
12 323.9 12.750 3.97 (0.156) 31.3 4.58 (0.180) 36.1 9.53 (0.375) 73.9 12.7 (0.500) 97.4

 

ASTM A312 STAINLESS STEEL PIPE SCHEDULE CHART

NB SIZES SCH 5 SCH 10 SCH 40 SCH 80 SCH 160
1/8″
 
1/4″
 
3/8″
 
1/2″
3/4″
1″
1 1/4″
1 1/2″
2″
2 1/2″
3″
4″
5″
 
6″
 

 

ANSI Pipe SCH5 to SCH40 Chart

Pipe Size O.D. Inches 5s TRUE 5 10s TRUE 10 20 30 40s & STD TRUE 40 60
1/8 0.405 0.35 0.049 0.049 0.068 0.068
0.1383 0.1863 0.1863 0.2447 0.2447
1/4 0.54 0.049 0.065 0.065 0.088 0.088
0.257 0.3297 0.3297 0.4248 0.4248
3/8 0.675 0.049 0.065 0.065 0.091 0.091
0.3276 0.4235 0.4235 0.5676 0.5676
1/2 0.84 0.065 0.065 0.083 0.083 0.109 0.109
0.5383 0.5383 0.671 0.671 0.851 0.851
3/4 1.05 0.065 0.065 0.083 0.083 0.113 0.113
0.6838 0.6838 0.8572 0.8572 1.131 1.131
1 1.315 0.065 0.065 0.109 0.19 0.133 0.133
0.8678 0.8678 1.404 1.404 1.679 1.679
1 1/4 1.66 0.065 0.065 0.109 0.109 0.14 0.14
1.107 1.107 1.806 1.806 2.273 2.273
1 1/2 1.9 0.065 0.065 0.109 0.109 0.145 0.145
1.274 1.274 2.638 2.638 2.718 2.718
2 2.375 0.065 0.065 0.109 0.109 0.154 0.154
1.604 1.604 2.638 2.638 3.653 3.653
2 1/2 2.875 0.083 0.083 0.12 0.12 0.203 0.203
2.475 2.475 3.531 3.531 5.793 5.793
3 3.5 0.083 0.083 0.12 0.12 0.216 0.216
3.029 3.029 4.332 4.332 7.576 7.576
3 1/2 4 0.083 0.083 0.12 0.12 0.226 0.226
3.472 3.472 4.97 4.97 9.109 9.109
4 4.5 0.083 0.083 0.12 0.12 0.237 0.237 0.281
3.915 3.915 5.613 5.613 10.79 10.79 12.66
4 1/2 5 0.247
12.53
5 5.563 0.109 0.109 0.134 0.134 0.258 0.258
6.349 6.349 7.77 7.77 14.62 14.62
6 6.625 0.109 0.109 0.134 0.134 0.28 0.28
7.585 7.585 9.289 9.289 18.97 18.97
7 7.625 0.301
23.57
8 8.625 0.109 0.109 0.148 0.148 0.25 0.277 0.322 0.322 0.406
9.914 9.914 13.4 13.4 22.36 24.7 28.55 28.55 35.64
9 9.625 0.342
33.9
10 10.75 0.134 0.134 0.165 0.165 0.25 0.307 0.365 0.365 0.5
15.19 15.19 18.65 18.65 28.04 34.24 40.48 40.48 54.74
11 11.75 0.375
45.55
12 12.75 0.156 0.165 0.18 0.18 0.25 0.33 0.375 0.406 0.562
21.07 22.18 24.2 24.2 33.38 43.77 49.56 53.53 73.16
14 14 0.156 0.188 0.25 0.312 0.375 0.375 0.437 0.593
23.06 27.73 36.71 45.68 54.57 54.57 63.67 84.91
16 16 0.165 0.188 0.25 0.312 0.375 0.375 0.5 0.656
27.9 31.75 42.05 52.36 62.58 62.58 82.77 107.5
18 18 0.165 0.188 0.25 0.312 0.437 0.375 0.562 0.75
31.43 35.76 47.39 59.03 82.06 70.59 104.8 138.2
20 20 0.188 0.218 0.25 0.375 0.5 0.375 0.593 0.812
39.78 46.05 52.73 78.6 104.1 78.6 122.9 166.4
24 24 0.218 0.25 0.25 0.375 0.562 0.375 0.687 0.968
55.37 63.41 63.41 94.62 140.8 94.62 171.2 238.1
26 26 0.312 0.5 0.375
85.6 136.2 102.6
28 28 0.312 0.5 0.625 0.375
92.26 146.8 182.7 110.6
30 30 0.25 0.312 0.312 0.5 0.625 0.375
79.43 98.93 98.93 157.5 196.1 118.6
32 32 0.312 0.5 0.625 0.375 0.688
105.6 168.2 209.4 126.7 230.1
34 34 0.312 0.5 0.625 0.375 0.688
112.3 178.9 222.8 134.7 244.8
36 36 0.312 0.625 0.375 0.75
118.9 236.1 142.7 282.3
40 40 0.375
158.7
42 42 0.375
166.7
48 48 0.375
190.7

 

ASTM A312 PIPE PRESSURE RATING

Pressure Rating (psig)
Pipe Size
(inches)
Pipe Schedule Temperature (oF)
100 200 300 400 500 600 650 700 750
1" 40 3168 2629 2362 2171 2019 1924 1867 1824 1810
80 4213 3634 3265 3002 2791 2659 2580 2528 2501
160 6140 5296 4759 4375 4068 3876 3761 3684 3646
1 1/2" 40 2257 1947 1750 1608 1496 1425 1383 1354 1340
80 3182 2744 2466 2267 2108 2009 1949 1909 1889
160 4619 3984 3580 3291 3060 2916 2829 2772 2743
2" 40 1902 1640 1474 1355 1260 1201 1165 1141 1129
80 2747 2369 2129 1957 1820 1734 1682 1648 1631
160 4499 3880 3486 3205 2980 2840 2755 2699 2671
3" 40 1806 1558 1400 1287 1196 1140 1106 1084 1072
80 2553 2202 1979 1819 1691 1612 1564 1532 1516
160 3840 3312 2976 2736 2544 2424 2352 2316 2280
4" 40 1531 1321 1187 1091 1014 967 938 919 909
80 2213 1909 1715 1577 1466 1397 1355 1328 1314
160 3601 3106 2791 2566 2386 2273 2206 2161 2138
5" 40 1342 1158 1040 956 889 847 822 805 797
80 1981 1709 1535 1411 1312 1250 1213 1189 1176
160 3414 2945 2646 2433 2262 2155 2091 2049 2027
6" 40 1219 1052 945 869 808 770 747 732 724
80 1913 1650 1483 1363 1267 1208 1172 1148 1136
160 3289 2836 2549 2343 2179 2076 2014 1973 1953
8" 40 1073 926 832 765 711 678 657 644 637
80 1692 1459 1311 1205 1121 1068 1036 1015 1005
160 3175 2738 2460 2262 2103 2004 1944 1905 1885
10" 40 974 840 755 694 645 615 596 584 578
80 1609 1388 1247 1147 1066 1016 986 966 956
160 3147 2714 2439 2242 2085 1986 1927 1880 1868

 

ASTM A312 STAINLESS STEEL PIPE TOLERANCES

ASTM A312 Diameter Tolerance, astm a312 dimensional tolerances

astm a312 pipe tolerances, astm a312 pipe od tolerance,astm a312 outside diameter tolerance

NPS ASTM A312/ASME SA312 OD Tolerance
+
inch mm inch mm
1/8 to 1 1 /2
> 1 1 /2 to 4
> 4 to 8
> 8 to 18
> 18 to 26
> 26 to 34
> 34 to 48
1/64(0.015)
1/32(0.031)
1/16(0.062)
3/32(0.093)
1/8(0.125)
5/32(0.156)
3/16(0.187)
0.4
0.8
1.6
2.4
3.2
4.0
4.8
1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)
0.8
0.8
0.8
0.8
0.8
0.8
0.8

WALL THICKNESS TOLERANCE OF ASTM A312 STAINLESS STEEL PIPE

The nominal wall thickness tolerance is +/- 12.5%.

NPS ASTM A312/ASME SA312 WT Tolerance, %
+
1/8-2 1 /2 20.0 12.5
3~18, t/D≤ 5% 22.5 12.5
3~18, t/D> 5% 15.0 12.5
≥ 20, welded 17.5 12.5
≥ 20, seamless, t/D≤ 5% 22.5 12.5
≥ 20, seamless, t/D> 5% 15.0 12.5

 

ASTM A312 Stainless Steel Pipe Chemical Composition

The below table shows the chemical composition of the used for ASTM A312 Stainless Steel Pipes:

ASTM A312 Pipes Grade

 

UNS C Mn P S Si Cr Ni Mo Ti Nb N
TP304 S30400 0.08 2.0 0.045 0.030 1.0 18.0-20.0 8.0-11.0
TP304L S30403 0.035 2.0 0.045 0.030 1.0 18.0-20.0 8.0-13.0
TP304H S30409 0.04-0.10 2.0 0.045 0.030 1.0 18.0-20.0 8.0-11.0
TP304N S30451 0.08 2.0 0.045 0.030 1.0 18.0-20.0 8.0-18.0 0.10-0.16
TP304LN S30453 0.035 2.0 0.045 0.030 1.0 18.0-20.0 8.0-12.0 0.10-0.16
TP309S S30908 0.08 2.0 0.045 0.030 1.0 22.0-24.0 12.0-15.0 0.75
TP309H S30909 0.04-0.10 2.0 0.045 0.030 1.0 22.0-24.0 12.0-15.0
TP309Cb S30940 0.08 2.0 0.045 0.030 1.0 22.0-24.0 12.0-16.0 0.75 10xC min
1.10 max
TP309HCb S30941 0.04-0.10 2.0 0.045 0.030 1.0 22.0-24.0 12.0-16.0 0.75 10xC min
1.10 max
TP310S S3108 0.08 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 0.75
TP310H S3109 0.04-0.10 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0
TP310Cb S31040 0.08 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 0.75 10xC min
1.10 max
TP310HCb S31041 0.04-0.10 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 0.75 10xC min
1.10 max
TP316 S3160 0.08 2.0 0.045 0.030 1.0 16.0-18.0 11.0-14.0 2.0-3.0
TP316L S31603 0.035 2.0 0.045 0.030 1.0 16.0-18.0 10.0-14.0 2.0-3.0
TP316H S31609 0.04-0.10 2.0 0.045 0.030 1.0 16.0-18.0 11.0-14.0 2.0-3.0
TP316Ti S31635 0.08 2.0 0.045 0.030 0.75 16.0-18.0 10.0-14.0 2.0-3.0 5x
(C-N)
-0.70
0.10
TP316N S31651 0.08 2.0 0.045 0.030 1.0 16.0-18.0 10.0-14.0 2.0-3.0 0.10-0.16
TP316LN S31653 0.035 2.0 0.045 0.030 1.0 16.0-18.0 11.0-14.0 2.0-3.0 0.10-0.16
TP317 S3170 0.08 2.0 0.045 0.030 1.0 18.0-20.0 10.0-14.0 3.0-4.0
TP317L S31703 0.035 2.0 0.045 0.030 1.0 18.0-20.0 11.0-15.0 3.0-4.0
TP321 S3210 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-12.0 0.10
TP321H S32109 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-12.0 0.10
TP347 S3470 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0
TP347H S34709 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0
TP347LN S34751 0.05-0.02 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0 0.20-
50.0
0.06-0.10
TP348 S3480 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0
TP348H S34809 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0

ASTM A312 Mechanical Properties

SS Pipes Grade
ASTM A312/ASME SA312
Tensile Strength
N/mm2 (min)
Yield Strength
N/mm2 (min)
Elongation
% (min)
TP304 515 205 35
TP304L 485 170 35
TP316 515 205 35
TP316L 485 170 35
TP321 OD < 17,1 mm – 515; OD < 17,1 mm – 205; 35
OD > 17,1 mm – 485 OD > 17,1 mm – 170

 

ASTM A312 Equivalent grades

ASTM A312 Stainless Steel Pipe Grades
Werkstoff/DIN EN grades ASTM grades
1.4541 X6CrNiTi18-10 A 312 Grade TP321
1.4571 X6CrNiMoTi17-12-2 A 312 Grade TP316Ti
1.4301 X5CrNi18-10 A 312 Grade TP304
1.4306 X2CrNi19-11 A 312 Grade TP304L
1.4307 X2CrNi18-9 A 312 Grade TP304L
1.4401 X5CrNiMo17-12-2 A 312 Grade TP316
1.4404 X2CrNiMo17-13-2 A 312 Grade TP316L
1.4462 X2CrNiMoN22-5-3 UNS S 31803 (Duplex)
1.4529 X1NiCrMoCuN25-20-7 UNS N 08926
1.4539 X1NiCrMoCu25-20-5 UNS N 08904 (904L)
1.4547 X1CrNiMoCuN20-18-7 UNS S 31254

 

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ASTM A312 Stainless Steel Pipe Price List

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