What is Stainless Steel 304L Pipe?
A stainless steel 304L pipe is a common low carbon austenitic grade. Stainless steel 304L pipe has an 18-8 chemical content of chromium and nickel with other constituting alloys. The pipes have good strength and are seen in different general purpose applications.
The 304l stainless steel pipe is tolerant to corrosive affluents and oxidative reducers in different conditions. The pipes can handle a range of higher pressure and temperature systems. AISI 304L pipe has outstanding tolerance to intergranular corrosion and has good toughness in cryogenic temperatures.
The 1.4307 pipe has outstanding mechanical properties and a melting range between 2250 to 2590 degrees C. The SUS 304L pipe is non-magnetic in the annealed condition, but they become magnetic during cold working or welding process.
The 1.4307 tube has better strength than a pipe and is designed in square, circular and rectangular shapes. Stainless Steel 304L Tube is seen in chemical processing, petrochemicals, food, and beverage systems. The 304l stainless steel tubing is also a feature in mining, medical, power generation, and pharmaceutical equipment.
Stainless Steel 304L Pipe Material Specification
- Grade: SS 304L
- Standards: ASTM A312, ASTM A269, ASME SB677, ASTM A213, ASME SA 789/ASTM A789. ASME SA 790/ASTM A790
- Wall Thickness: 0.3 to 50mm
- OD : 5.8 to 508mm
- Shape: Square, Round, Box Section, Rectangle
- Manufacturing Type: Seamless/Welded
- End: Beveled, Plain, Treaded End
- Manufacturing Technology: Hot / Cold Formed
- Condition: Cold Drawn, Polished, Bright Annealed, Annealed and Pickled
Note: Other dimensions and specifications can be produced upon request.
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What is ASTM A312 TP304L?
ASTM A312 TP304L is a versatile grade that covers the most common piping material in the stainless steel industry. The material is covered by the American Society for Testing Material.
The SA 312 TP 304l is covered under the American Society for Mechanical Engineers. The grade is the oldest organization covering standards for manufacturing piping material. The SA312 tp304l has similar standards as the ASTM grade. However, some materials by ASTM are not accepted by the SA grade.
Are You looking to buy below types of SS 304l pipe?

304l Seamless Stainless Steel Pipe

Stainless Steel 304L Tube

Stainless Steel 304L Pipe

ASTM A312 TP304L Tube

SS 304l Welded Pipe

DIN 1.4307 tube

SA 312 TP 304l ERW Pipe

SUS 304L Pipe

304l Stainless Steel Tubing
What Is Flattening Test For 304l Stainless Steel Pipe?
The flattening test helps to determine the ultimate plastic deformation of a pipe. The pipe is subjected to pressure under vigorous pressure to see whether it has any crack defects. The force on the 304l tubing is inserted till the two platens reach a specific end of the sample.
304l stainless steel tubing in SCH40, SCH80 & STD, check SA312 tp304l seamless pipe price per meter in Dubai
ASTM A312 TP304L Pipe Price Range with HSN Code
SS 304L Seamless Pipe Price per kg in India
|
SS304L Seamless Pipe, Price per USD/Ton |
SIZE” |
SIZE NB |
SCH 10 |
SCH 40 |
SCH 60 |
SCH 80 |
1/2 |
15 |
5300 |
5,300.00 |
|
5,300.00 |
3/4 |
20 |
5300 |
5,300.00 |
|
5,300.00 |
1 |
25 |
4400 |
4,600.00 |
|
4,700.00 |
1.25 |
32 |
4400 |
4,600.00 |
|
4,700.00 |
1.5 |
40 |
4400 |
4,600.00 |
|
4,700.00 |
2 |
50 |
4400 |
4,600.00 |
|
4,700.00 |
2.5 |
65 |
4400 |
4,600.00 |
|
4,700.00 |
3 |
80 |
4400 |
4,600.00 |
|
4,700.00 |
3.5 |
90 |
4400 |
4,600.00 |
|
4,700.00 |
4 |
100 |
4400 |
4,600.00 |
|
4,700.00 |
5 |
125 |
4400 |
4,600.00 |
|
4,700.00 |
6 |
150 |
4400 |
4,600.00 |
|
4,700.00 |
8 |
200 |
5200 |
5,300.00 |
5500 |
5,300.00 |
10 |
250 |
5200 |
5,300.00 |
5500 |
5,300.00 |
12 |
300 |
6100 |
6,100.00 |
7,000.00 |
6,500.00 |
14 |
350 |
6100 |
6,100.00 |
7,000.00 |
6,500.00 |
16 |
400 |
|
6,100.00 |
7,000.00 |
6,500.00 |
Which Process Is Used To Make 304l Seamless Stainless Steel Pipe?
The 304l seamless stainless steel pipe is produced as a round billet is heated and passed through metal to pierce it. A mandrel and die are utilized to increase the inside diameter and outer diameter of the SS 304l seamless pipe. The pipes don’t have any seam and have good strength and performance.
Size Difference between Seamless and Welded Pipe ?
SEAMLESS PIPE |
WELDED PIPE |
Schedules: 10, 5, 80, 40, XXH, 160 |
Schedules: 10, 5, 20, 10S, 40, 30, 80, 40S, 80S |
NPS: 1/8″ through 12″ |
NPS: 1/8″ through 24″ |
Specifications: ASME SA312, ASTM A312 |
Specifications: ASME SA312, ASTM A312 |
Verified suppliers of SA 312 TP 304l Tubing & SS 304l welded pipe as per API, ASTM, BS, EN, JIS, DIN standards
How Is SS 304l Welded Pipe Made?
A 304l welded pipe is formed as cold formed strip, sheet, or plate rolled with a bending machine. SS 304l welded pipe is welded with or without filler material utilizing a high energy source. The presence of seams on these pipes make them slightly weaker and prone to corrosion.
What Are Standards of Stainless Steel 304L Tube

SA 312 TP 304l Pipe Pressure Rating
O.D. Inches |
Pipe Size |
TRUE 40 |
5s |
TRUE 5 |
10s |
TRUE 10 |
40s & STD |
0.405 |
1/8 |
0.068 |
|
0.35 |
0.049 |
0.049 |
0.068 |
|
0.2447 |
|
0.1383 |
0.1863 |
0.1863 |
0.2447 |
1.05 |
3/4 |
0.113 |
0.065 |
0.065 |
0.083 |
0.083 |
0.113 |
|
1.131 |
0.6838 |
0.6838 |
0.8572 |
0.8572 |
1.131 |
0.54 |
1/4 |
0.088 |
|
0.049 |
0.065 |
0.065 |
0.088 |
|
0.4248 |
|
0.257 |
0.3297 |
0.3297 |
0.4248 |
0.675 |
3/8 |
0.091 |
|
0.049 |
0.065 |
0.065 |
0.091 |
|
0.5676 |
|
0.3276 |
0.4235 |
0.4235 |
0.5676 |
1.315 |
1 |
0.133 |
0.065 |
0.065 |
0.109 |
0.19 |
0.133 |
|
1.679 |
0.8678 |
0.8678 |
1.404 |
1.404 |
1.679 |
0.84 |
1/2 |
0.109 |
0.065 |
0.065 |
0.083 |
0.083 |
0.109 |
|
0.851 |
0.5383 |
0.5383 |
0.671 |
0.671 |
0.851 |
1.9 |
1 1/2 |
0.145 |
0.065 |
0.065 |
0.109 |
0.109 |
0.145 |
|
2.718 |
1.274 |
1.274 |
2.638 |
2.638 |
2.718 |
1.66 |
1 1/4 |
0.14 |
0.065 |
0.065 |
0.109 |
0.109 |
0.14 |
|
2.273 |
1.107 |
1.107 |
1.806 |
1.806 |
2.273 |
3.5 |
3 |
0.216 |
0.083 |
0.083 |
0.12 |
0.12 |
0.216 |
|
7.576 |
3.029 |
3.029 |
4.332 |
4.332 |
7.576 |
2.875 |
2 1/2 |
0.203 |
0.083 |
0.083 |
0.12 |
0.12 |
0.203 |
|
5.793 |
2.475 |
2.475 |
3.531 |
3.531 |
5.793 |
2.375 |
2 |
0.154 |
0.065 |
0.065 |
0.109 |
0.109 |
0.154 |
|
3.653 |
1.604 |
1.604 |
2.638 |
2.638 |
3.653 |
4 |
3 1/2 |
0.226 |
0.083 |
0.083 |
0.12 |
0.12 |
0.226 |
|
9.109 |
3.472 |
3.472 |
4.97 |
4.97 |
9.109 |
Buy 304l seamless stainless steel pipe and AISI 304L Seamless Tube in cut to length & bevelled ends
Difference Between Single Random And Double Random A312 Tp304l Pipe?
A single random pipe is designed in sizes between 5 to 7 meters. Generally, a pipe below 2 inches in diameter is manufactured as a single random. A double random A312 tp304l pipe is designed in random sizes between 11 to 13 meters. These pipes have a diameter above 2 inches.
304l Schedule 10 Stainless Steel Pipe Dimensions
Outside diameter [inches] |
Weight [kg/m] |
Nominal size [inches] |
Outside diameter [mm] |
Wall thickness [mm] |
Wall thickness [inches] |
Weight [lb/ft] |
1.900 |
3.13 |
1 1/2 |
48.3 |
2.77 |
0.109 |
2.1 |
1.050 |
1.29 |
3/4 |
26.7 |
2.11 |
0.083 |
0.87 |
1.315 |
2.11 |
1 |
33.4 |
2.77 |
0.109 |
1.41 |
0.840 |
1.00 |
1/2 |
21.3 |
2.11 |
0.083 |
0.68 |
2.375 |
3.96 |
2 |
60.3 |
2.77 |
0.109 |
2.66 |
1.660 |
2.71 |
1 1/4 |
42.2 |
2.77 |
0.109 |
1.82 |
2.875 |
5.29 |
2 1/2 |
73.0 |
3.05 |
0.120 |
3.56 |
4.000 |
7.46 |
3 1/2 |
101.6 |
3.05 |
0.120 |
5.01 |
3.500 |
6.50 |
3 |
88.9 |
3.05 |
0.120 |
4.37 |
4.500 |
8.42 |
4 |
114.3 |
3.05 |
0.120 |
5.66 |
6.625 |
13.91 |
6 |
168.3 |
3.40 |
0.134 |
9.35 |
30.000 |
148.22 |
30 |
762.0 |
7.92 |
0.312 |
99.60 |
5.563 |
11.64 |
5 |
141.3 |
3.40 |
0.134 |
7.82 |
8.625 |
20.10 |
8 |
219.1 |
3.76 |
0.148 |
13.50 |
12.750 |
36.22 |
12 |
323.9 |
4.57 |
0.180 |
24.34 |
10.750 |
27.96 |
10 |
273.1 |
4.19 |
0.165 |
18.79 |
14.000 |
41.62 |
14 |
355.6 |
4.78 |
0.188 |
27.97 |
18.000 |
53.65 |
18 |
457.0 |
4.78 |
0.188 |
36.05 |
16.000 |
47.65 |
16 |
406.4 |
4.78 |
0.188 |
32.02 |
22.000 |
76.10 |
22 |
559.0 |
5.54 |
0.218 |
51.14 |
20.000 |
69.09 |
20 |
508.0 |
5.54 |
0.218 |
46.42 |
24.000 |
95.13 |
24 |
610.0 |
6.35 |
0.250 |
63.93 |
304l Seamless Stainless Steel Pipe Used For

- food industry machinery and appliances
- tools
- Tanks
- Oil and gas industry
- filtration screens
- architectural trim
- corrosive marine environments in fasteners
Equivalent Properties of 304l tubing
Grade |
Japanese JIS |
Euronorm |
UNS No |
Old British |
Swedish SS |
No |
Name |
BS |
En |
304L |
SUS 304L |
1.4301 |
X5CrNi18-10 |
S30403 |
304S11 |
58E |
2332 |
304l Stainless Steel Pipe Gauge Thickness
Size (Inch) |
OD (mm) |
20 (0.91) |
12 (2.64) |
10 (3.025) |
16 (1.62) |
14 (2.03) |
18 (1.21) |
22 (0.71) |
5/16” |
7.93 |
0.048 |
0.105 |
0.114 |
0.079 |
0.089 |
0.060 |
0.038 |
1/4” |
6.35 |
0.037 |
0.070 |
0.075 |
0.058 |
0.065 |
0.046 |
0.030 |
1/2” |
12.7 |
0.079 |
0.200 |
0.226 |
0.134 |
0.157 |
0.105 |
0.063 |
3/8” |
9.52 |
0.058 |
0.135 |
0.152 |
0.097 |
0.113 |
0.080 |
0.046 |
3/4” |
19.05 |
0.124 |
0.326 |
0.386 |
0.215 |
0.256 |
0.161 |
0.097 |
11/4” |
31.82 |
0.200 |
0.580 |
0.696 |
0.375 |
0.448 |
0.275 |
— |
1” |
25.4 |
0.167 |
0.450 |
0.541 |
0.294 |
0.351 |
0.218 |
0.131 |
13/4” |
44.45 |
— |
0.832 |
1.020 |
0.530 |
0.646 |
0.390 |
— |
11/2” |
38.1 |
— |
0.700 |
0.851 |
0.452 |
0.542 |
0.332 |
— |
2” |
50.8 |
— |
0.960 |
1.161 |
0.607 |
0.733 |
0.447 |
— |
Chemical Properties of 1.4307 Seamless Pipe
Grade |
Ni |
Mn |
C |
Mo |
P |
Si |
Cr |
S |
N |
304L |
min. |
8.0 |
– |
– |
– |
– |
– |
18.0 |
– |
– |
max. |
12.0 |
2.0 |
0.03 |
0.045 |
1.00 |
20.0 |
0.03 |
– |
UNS S30403 Welded Pipe Mechanical Properties
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
Rockwell B (HR B) max |
Brinell (HB) max |
304L |
485 |
170 |
40 |
92 |
201 |
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