ASTM A312 Grade 304LN Stainless Steel Pipe




SS 304LN Pipe Supplier, ASTM A312 TP304LN Seamless Pipe

SS 304LN Pipe Supplier

Superior Steel Overseas is privately owned suppplier, manufacturer and exporter of  Stainless Steel 304LN Pipe. SS 304LN Pipe has excellent features like Corrosion resistance, heat resistance and physical properties similar to those of SUS 304.ASTM A312 TP 304LN stainless steel pipes has higher strength at room to high temperatures and higher fatigue strength than that of SUS 304.Grade 304LN material number is 1.4311. 304LN Stainless steel pipe are widely used in Valves,Oil well filter screens,Cooling coils,Pressure vessels,evaporators,Beer barrels,Chemical equipment,Dairy equipment,Flexible metal hose,Nuclear vessels,Textile dyeing equipment,Food processing equipment,Hypodermic needles.Stainless Steel 304LN Seamless Pipes and SS 304LN Welded Pipes used in different industries like oil & gas, Refineries, Fertilizers, Heat-Exchangers, Paper & Pulp, Pharmaceuticals, Chemicals, Water Treatment, Dairy, Sugar & Food Processing etc. ASTM A312 TP304LN Stainless Steel Welded Pipe which also known as UNS S30453 Pipes.We are also stockist and exporter of Stainless Steel 304LN Seamless Pipes and Stainless Steel Welded Pipe with high quality materials and in both standards national and international.We deliver this entire range of SS 304LN seamless pipe from our end after quality testing properly by skilled professionals on timeWe carries stock of ASME SA312 TP304LN stainless steel pipe in SS 304LN Seamless, SS 304LN Welded, SS 304LN ERW, SS 304LN EFW, SAW, LSAW, DSAW etc.Buy SS 304LN Pipe at affordable price from us.

Stainless Steel 304LN 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 304LN 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 TP304LN 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 TP304LN Chemical Composition

Element Content (%)
Chromium, Cr 18-20
Nickel, Ni 8-12
Manganese, Mn 2 max
Silicon, Si 1 max
Nitrogen, N 0.1-0.16
Phosphorous, P 0.045 max
Carbon, C 0.03 max
Sulfur, S 0.03 max
Iron, Fe Remainder

ASTM A312 TP304LN Mechanical Properties

Properties Metric Imperial
Tensile strength 620 MPa 89900 psi
Yield strength 330 MPa 47900 psi
Elastic modulus 193-200 GPa 28000- 29000 ksi
Hardness, Rockwell B 85 85

ASTM A312 TP304LN Stainless Steel Equivalent

STANDARD UNS WERKSTOFF NR.
SS 304LN S30453 1.4311

ASTM A312 SS 304LN Seamless Pipe Tolerances

NPS ASTM A312 TP304LN 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 TP304LN SS Seamless Pipe

NPS ASTM A312 TP 304LN 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 304LN Welded Steel Pipe Inventory

ASTM A312 TP 304LN Schedule 40 SS Seamless Pipe ASTM A312 TP 304LN Schedule 80 SS Pipe
ASTM A312 TP304LN Seamless Stainless Steel Pipe ASTM A312 TP304LN Stainless Steel Seamless Pipe
ASTM A312 TP 304LN Seamless Stainless Steel Pipe ASTM A312 TP304LN Stainless Steel Seamless Round Pipe
ASTM A312 SS 304LN Seamless Pipe ASME SA 312 TP 304LN Stainless Steel Seamless Pipe
ASTM A312 TP304LN Seamless Stainless Steel Pipe SS 304LN Pipe
SS 304LN Seamless Pipe Stainless Steel ASTM A312 TP 304LN Seamless Pipe
ASTM A312 TP 304LN Seamless Steel Pipe Seamless Stainless Steel ASTM A312 TP 304LN Pipe
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