ASTM A312 Grade 348 Stainless Steel Pipe




SS 348 Seamless Pipe Supplier, ASTM A312 TP348 Pipe Manufacturer

SS 348 Pipe Supplier

Superior Steel Overseas is successfully ranked amongst the top  supplier, manufacturer and distributor of  Stainless Steel 348 Pipe.We are stockholder and exporter of high quality Stainless Steel 348 Seamless Pipes and Stainless Steel 348 Welded Pipe, grade 348 stainless steel is ductile and tough, and can be readily blanked, stamped, drawn and spun. Stainless Steel 348 Pipe does not react to heat treatment. However, elevated properties can be obtained by cold reduction.Hardenability of this ASTM A312 SS 348 Stainless steel pipe will be reduced if constant positive feeds and slow speeds are used.We are manufacture of ASTM A312 TP348 Stainless Steel Pipe which also known as UNS S34800 Pipes. AWS E/ER348 filler metal can be used when required.We deliver this entire range of SS 348 seamless pipe from our end after quality testing properly by skilled professionals. Stainless Steel 348 Seamless Pipes and SS 348 Welded Pipes have some of the best features such as High strength, Corrosion resistance and Dimensional accuracy.348 Stainless Steel Pipe annealed at 1010-1093°C (1850-2000°F) followed by quenching in water.Buy SS 348 Pipe at reasonable price from us.We have reputed name as SS 348 Pipe Supplier and AISI 348 stainless steel suppliers.

Stainless Steel 348 Seamless Pipe Specification

Sizes: 1/8" to 24"
ASTM A312 Steel grades:    TP304/304L/304H
ASTM A312 Schedules:          STD, XS, XXS, SCH5S, SCH10/10S, SCH20, SCH30, SCH40/40S, SCH60, SCH80/80S, SCH100, SCH120, SCH140, SCH160
Standards:               ASTM A312, ASME SA312
Lengths: SRL and DRL 5meters up to 11meters available from Stock or Production.
Ends: Plain/Bevelled

SS 348 Pipe Weight

PIPE
SIZE
OD
IN
INCHES
A.S.A. Pipe Schedules
5s 5 10s 10 20 30 40s
& Std.
40 60 80s
& E.H.
80 100 120 140 160 DBL
E.H.
1/8 .405 .035
.1383
.049
.1863
.049
.1863
.068
.2447
068
.2447
0.95
.3145
0.95
.3145
1/4 .540 .049
.2570
.065
.3297
.065
.3297
.088
.4248
088
.4248
.119
.5351
.119
.5351
3/8 .675 .049
.3276
.065
.4235
.065
.4235
.091
.5676
.091
.5676
.126
.7338
.126
.7338
1/2 .840 .065
.5383
.065
.5383
.083
.6710
.083
.6710
.109
.8510
.109
.8510
.147
1.088
.147
1.088
.187
1.304
.294
1.714
3/4 1.050 .065
.6838
.065
.6838
.083
.8572
.083
.8572
.113
1.131
.113
1.131
.154
1.474
.154
1.474
.218
1.937
.308
2.441
1 1.315 .065
.8678
.065
.8678
.109
1.404
.109
1.404
.133
1.679
.133
1.679
.179
2.172
.179
2.172
.250
2.844
.358
3.659
1-1/4 1.660 .065
1.107
.065
1.107
.109
1.806
.109
1.806
.140
2.273
.140
2.273
.191
2.997
.191
2.997
.250
3.765
.382
5.214
1-1/2 1.900 .065
1.274
.065
1.274
.109
2.085
.109
2.085
.145
2.718
.145
2.718
.200
3.631
.200
3.631
.281
4.859
.400
6.408
2 2.375 .065
1.604
.065
1.604
.109
2.638
.109
2.638
.154
3.653
.154
3.653
.218
5.022
.218
5.022
.343
7.444
.436
9.029
2-1/2 2.875 .083
2.475
.083
2.475
.120
3.531
.120
3.531
.203
5.793
.203
5.793
.276
7.661
.276
7.661
.375
10.01
.552
13.70
3 3.500 .083
3.029
.083
3.029
.120
4.332
.120
4.332
.216
7.576
.216
7.576
.300
10.25
.300
10.25
.437
14.32
.600
18.58
3-1/2 4.000 .083
3.472
.083
3.472
.120
4.973
.120
4.973
.226
9.109
.226
9.109
.318
12.51
.318
12.51
.636
22.85
4 4.500 .083
3.915
.083
3.915
.120
5.613
.120
5.613
.237
10.79
.237
10.79
.281
12.66
.337
14.98
.337
14.98
.437
19.01
.531
22.51
.674
27.54
4-1/2 5.000 .247
12.53
.355
17.61
.710
32.53
5 5.563 .109
6.349
.109
6.349
.134
7.770
.134
7.770
.258
14.62
.258
14.62
.375
20.78
.375
20.78
.500
27.04
.625
32.96
.750
38.55
6 6.625 .109
7.585
.109
7.585
.134
9.290
.134
9.290
.280
18.97
.280
18.97
.432
28.57
.432
28.57
.562
36.39
.718
45.30
.864
53.16
7 7.625 .301
23.57
.500
38.05
.875
63.08
Medium Type = Wall thickness in inches
Bold Type = Steel weight per foot in pounds

Stainless Steel ASTM A312 TP348 Seamless Pipe Sizes

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
1.25 42.16 1.65 2.77 3.56 4.85
1.5 48.26 1.65 2.77 3.68 5.08
2 60.33 1.65 2.77 3.91 5.54
2.5 73.03 2.11 3.05 5.16 7.01
3 88.9 2.11 3.05 5.49 7.62
3.5 101.6 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 TP348 Chemical Composition

Element Content (%)
Iron, Fe 66
Chromium, Cr 19
Nickel, Ni 11
Manganese, Mn 2.0
Silicon, Si 1.0
Nb + Ta 0.8
Cobalt, Co 0.2
Tantalum, Ta 0.1
Carbon, C 0.080
Phosphorous, P 0.045
Sulfur, S 0.030

ASTM A312 TP348 Mechanical Properties

Properties Metric Imperial
Tensile strength 655 MPa 95000 psi
Yield strength (@ strain 0.200%) 275 MPa 39900 psi
Izod impact 120 – 160 J 88.5 – 118 ft-lb
Charpy impact 160 J 118 ft-lb
Shear modulus (typical for steel) 77.0 GPa 11200 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 45% 45%
Hardness, Brinell (converted from Rockwell B hardness) 147 147
Hardness, Knoop (converted from Rockwell B hardness) 164 164
Hardness, Rockwell B 85 85
Hardness, Vickers (converted from Rockwell B hardness) 169 169

ASTM A312 SS 348 Physical Properties

Properties Metric Imperial
Density 8 g/cm3 0.289 lb/in³
Melting point 1427°C 2600°F

ASTM A312 SS 348 Seamless Pipe Tolerances

NPS ASTM A312 TP348 OD Tolerance
+
inch mm inch mm
1/8~1 1 /2
> 1 1 /2~4
> 4~8
> 8~18
> 18~26
> 26~34
> 34~48
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 TP348 SS Seamless Pipe

NPS ASTM A312 TP 348 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 TP 348 Welded Steel Pipe Inventory

ASTM A312 TP 348 Schedule 40 SS Seamless Pipe ASTM A312 TP 348 Schedule 80 SS Pipe
ASTM A312 TP348 Seamless Stainless Steel Pipe ASTM A312 TP348 Stainless Steel Seamless Pipe
ASTM A312 TP 348 Seamless Stainless Steel Pipe ASTM A312 TP348 Stainless Steel Seamless Round Pipe
ASTM A312 SS 348 Seamless Pipe ASME SA 312 TP 348 Stainless Steel Seamless Pipe
ASTM A312 TP348 Seamless Stainless Steel Pipe SS 348 Pipe
SS 348 Seamless Pipe Stainless Steel ASTM A312 TP 348 Seamless Pipe
ASTM A312 TP 348 Seamless Steel Pipe Seamless Stainless Steel ASTM A312 TP 348 Pipe
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