TP304L, 1.4306, S30403

304L  is a low-carbon variant of AISI 304 stainless steel, designed to improve weldability and reduce susceptibility to intergranular corrosion (carbide precipitation). It is part of the austenitic stainless steel family, offering excellent corrosion resistance, formability, and toughness.

ANSI/ASME B36.19 DIMENSION

Nominal SizeODWall Thickness, SCHEDULE
NPSDNmm5S10S10203040SSTD4080SXS80100120140160XXS
1∕8"610.31.241.731.731.732.412.412.41
1∕4"813.71.652.242.242.243.023.023.02
3∕8"1017.21.652.312.312313.23.23.2
1∕2"1521.31.652.112.772.772.773.733.733.734.787.47
3∕4"2026.71.652.112.872.872.873.913.913.915.567.82
1"2533.41.652.773.383.383.384.554.554.556.359.09
1-1∕4"3242.21.652.773.563.563,564.854.854.856.359.7
1-1∕2"4048.31.652.773.683.683.685.085.085.087.1410.15
2"5060.31.652.773.913.913.915.545.545.548.7411.07
2-1∕2"65732.113.055.165.165.167.017.017.019.5314.02
3"8088.92.113.055.495.495.497.627.627.6211.1315.24
3-1∕2"90101.62.113.055.745.745.748.088.088.08
4"100114.32.113.056.026.026.028.568.568.5411.1313.4917.12
5"125141.32.773.46.556.556.559.539,539.5312.715.8819.05
6"150168.32.773.47.117.117.1110.9710.9710.9714.2718.2621.95
8"200219.12.773.766.357.048.188.188.1812.712.712.715.0918.2620.6223.0122.23
10"250273.13.44.196.357.89.279.279.2712.712.715.0918.2621.4425.428.5825.4
12"300323.93.964.576.358.389.539.5310.3112.712.717.4821.4425.428.5833.3225.4
14"350355.63.964.786.357.929.539.5311.1312.719.0523.8327.7931.7535.71
16"400406.44.194.786.357.929.539.5312.712.721.4426.1930.9536.5340.49
18"450457.24.194.786.357.9211.139.5314.2712.723.8329.3634.9339,6745.24
20"5005084.785.546.359.5312.79.5315.0912.726.1932.5438.144.4550.01
22"550558.84.785.546.359.5312.79.5312.728.5834.9341.2847.6353.98
24"600609.65.546.356.359.5314.279.5317.4812.730.9638.8946.0252.3759.54
26"650660.47.9212.79.5312.7
28"700711.27.9212.715.889.5312.7
30"7507626.357.927.9212.715.889.5312.7
32"800812.87.9212.715.8817.489.5317.4812.7
34"850863.67.9212.715.8817.489.5317.4812.7
36"900914.47.9212.715.8819.059.5319.0512.7
38"950965.2-9.5312.7
40"10001016-9.5312.7

Chemical Composition %

 CMnPSSiNiCrMoTiNNb
TP304L0.0352.000.0450.0301.08-1318-20    
1.43060.0300.800.0400.0151.010-1218-19  0.11 
1.43070.0300.800.0400.0151.08-1017.5-19.5  0.11 

Mechanical Propertoes

 Tensile strength (Mpa)Yield point (Mpa)Elongation Longitudinal (%)Elongation Transverse (%)
TP304L4851703525
1.4306480-6801804035
1.4307480-6801804035
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