ASTM A312 Grade 304LN Stainless Steel Pipe
SS 304LN Pipe Supplier, ASTM A312 TP304LN Seamless Pipe
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 |
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| Medium Type = Wall thickness in inches Bold Type = Steel weight per foot in pounds |
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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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