TP304 Stainless steel seamless pipe, also known as 1.4301 stainless seamless pipe or S30400 stainless steel seamless pipe, is the standard austenitic chromium-nickel stainless pipe. It has high corrosion resistance and easy formability. But it can’t resist intergranular corrosion.
TP304 stainless steel seamless pipe are widely used in chemical and petrochemical industry, oil industry, and equipment for foodstuff industry. We inventory TP304 stainless seamless pipe with full size. The outside diameter we manufacture ranges from 6.0mm to 406.4mm.
Our TP304 stainless steel seamless pipe are exported to many countries, like USA, Taiwan, UAE, Japan, Italy, Korea, Singapore, Indonesia, Canada, Malaysia, etc.
XINHANG STEEL provides a lot of processing services, including cutting to length, polishing surface, punching, painting, etc.
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Specification |
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Size |
OD: 6.0 ~ 406.4mm; WT: 1 ~ 50mm; O.D.1/8”-16”;W.T.:SCH 10(S);-SCH XXS Length: as your requirement,11.8M MAX |
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Process |
Seamless, Cold Drawn, Cold Rolled |
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End |
PE(Plain End), BE(Beveled End), |
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Surface |
Aid Pickling, Polishing, |
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Standard |
ASTM A312, ASTM A213, EN10216-5, DIN 17456, DIN 17458, JIS G3459, JIS G3463,ASTM A269 |
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Other Names |
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Theoretical Weight(kg/m) |
Weight/meter = (OD-WT)*WT*0.02491 Both OD and WT in mm. |
Note:
OD is the specified outside diameter.
WT is the specified wall thickness
Stainless steel pipes shall be pickled free of scale. When bright annealing is used, pickling is not necessary.
Plain ends cut and deburred will be furnished. If threaded ends or ends beveled for welding are desired, give details.
Chemical Composition
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Element |
UNS S30400(304) |
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C, max |
0.08 |
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Mn, max |
2.00 |
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P, max |
0.045 |
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S, max |
0.030 |
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Si, max |
1.00 |
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Ni |
8.00-11.0 |
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Cr |
18.0-20.0 |
Mechanical Properties
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Alloy |
Temper |
Tensile Strength |
Yield Strength, 0.2% |
Elongation in2 in. or |
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UNS S30400 |
Solution Annealed |
75 (515) |
30 (205) |
35 |
Tolerances in Wall Thickness
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NPS Designator |
Tolerance, % from Nominal |
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Over |
Under |
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1/8 to 2-1/2 incl., all t/D ratios |
20 |
12.5 |
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3 to 18 inch., t/D up to 5% incl. |
22.5 |
12.5 |
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3 to 18 inch., t/D＞5% |
15 |
12.5 |
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20 and larger, welded, all t/D ratios |
17.5 |
12.5 |
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20 and larger, seamless, t/D up to 5% incl. |
22.5 |
12.5 |
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20 and larger, seamless, t/D＞5% |
15 |
12.5 |
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Note: t = Nominal Wall Thickness; D = Ordered Outside Diameter
Tolerances in Outside Diameter
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NPS Designator |
Tolerances in Outside Diameter |
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Over |
Under |
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in. |
mm |
in. |
mm |
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1/8 to 1-1/2, incl |
1/64 (0.015) |
0.4 |
1/32 (0.031) |
0.8 |
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Over 1-1/2 to 4, incl |
1/32 (0.031) |
0.8 |
1/32 (0.031) |
0.8 |
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Over 4 to 8, incl |
1/16 (0.062) |
1.6 |
1/32 (0.031) |
0.8 |
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Over 8 to 18, incl |
3/32 (0.093) |
2.4 |
1/32 (0.031) |
0.8 |
Straightness Tolerances
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Specified OD, in. |
Specified Wall Thickness, in. |
Maximum Curvature in any 3ft, in. |
Maximum Curvature i Total Length, in. |
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Up to 5.0 incl. |
Over 3% OD to 0.5, incl. |
0.03 |
0.010 x length, ft |
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Over 5.0 to 8.0, incl. |
Over 4% OD to 0.75, incl. |
0.045 |
0.015 x length, ft |
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Over 8.0 to 12.75, incl. |
Over 4% OD to 1.0, incl. |
0.06 |
0.020 x length, ft |
Tests of TP304 Pipe
1.Chemical Analysis (ASTM E345)
2.Mechanical Properties (Tension: ASTM E8)
3.Nondestructive Test
3.1:100% Hydrostatic Test
3.2:According to ASTM A450/A450M
Schedules of Cold-drawn TP304 Pipe
The schedules of cold-drawn, seamless TP304 pipe as given in below table are regularly available. Other schedules may be furnished, and the manufacturer should be consulted.
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Nominal Pipe Size |
Outside Diameter |
Nominal Wall Thickness |
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SCH5S |
SCH10S |
SCH40S/STD |
SCH80S |
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1/8 |
10.3 |
– |
1.24 |
1.73 |
2.41 |
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1/4 |
13.7 |
– |
1.65 |
2.24 |
3.02 |
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3/8 |
17.1 |
– |
1.65 |
2.31 |
3.20 |
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1/2 |
21.3 |
1.65 |
2.11 |
2.77 |
3.73 |
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3/4 |
26.7 |
1.65 |
2.11 |
2.87 |
3.91 |
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1 |
33.4 |
1.65 |
2.77 |
3.38 |
4.55 |
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1 1/4 |
42.2 |
1.65 |
2.77 |
3.56 |
4.85 |
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1 1/2 |
48.3 |
1.65 |
2.77 |
3.68 |
5.08 |
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2 |
60.3 |
1.65 |
2.77 |
3.91 |
5.54 |
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2 1/2 |
73.0 |
2.11 |
3.05 |
5.16 |
7.01 |
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3 |
88.9 |
2.11 |
3.05 |
5.49 |
7.62 |
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3 1/2 |
101.6 |
2.11 |
3.05 |
5.74 |
8.08 |
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4 |
114.3 |
2.11 |
3.05 |
6.02 |
8.56 |
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5 |
141.3 |
2.77 |
3.40 |
6.55 |
9.53 |
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6 |
168.3 |
2.77 |
3.40 |
7.11 |
10.97 |
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8 |
219.1 |
2.77 |
3.76 |
8.18 |
12.70 |
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10 |
273.1 |
3.4 |
4.19 |
9.27 |
12.70 |
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12 |
323.9 |
3.96 |
4.57 |
9.53 |
12.70 |
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14 |
355.6 |
3.96 |
4.78 |
9.53 |
– |
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16 |
406.4 |
4.19 |
4.78 |
9.53 |
– |
Packing Information
wooden case
Bundle package