Stainless Steel 304 Pipe Specification

What is the best surface treatment for stainless steel 304 pipe?
Passivation is a widely used surface treatment for SS 304 seamless pipe. It entails the use of an acid solution to remove contaminants from the surface of the SS 304 erw pipe, including iron particles, and embedded carbon steel.
Electropolishing is another popularly employed process that removes a thin layer of the steel surface from the stainless steel 304 erw pipe. Pickling involves the use of an acid solution (typically a mixture of nitric and hydrofluoric acid) to remove surface impurities and oxide scales from 304 stainless steel seamless pipe.
Be sure to compare price of Stainless Steel 304 Tube with verified & genuine SS 304 pipe suppliers in Dubai
ASTM A312 TP304 Pipe Price list
SS 304 Seamless Pipe Price per kg in India
Nominal Bore |
Sch 10 |
Outside Diameter |
Price per Kg |
Price per Kg in USD |
Rate per Kg |
Weight |
Wt |
mm |
mm |
INCH |
AED/Kg |
USD/ Kg |
INR/Kg |
(Kg/mt) |
mm |
6 |
13.7 |
1/4 |
AED 24.51 |
6.67 |
550 |
0.39 |
1.65 |
15 |
21.3 |
1/2 |
AED 17.83 |
4.85 |
400 |
0.8 |
2.11 |
10 |
17.1 |
3/8 |
AED 21.17 |
5.76 |
475 |
0.49 |
2.11 |
25 |
33.4 |
1 |
AED 15.60 |
4.25 |
350 |
1.3 |
2.77 |
20 |
26.7 |
3/4 |
AED 17.83 |
4.85 |
400 |
1.03 |
2.11 |
32 |
42.2 |
1 1/4 |
AED 15.60 |
4.25 |
350 |
1.65 |
2.77 |
65 |
73 |
2 1/2 |
AED 15.60 |
4.25 |
350 |
3.69 |
3.05 |
40 |
48.3 |
1 1/2 |
AED 15.60 |
4.25 |
350 |
1.91 |
2.77 |
80 |
88.9 |
3 |
AED 15.60 |
4.25 |
350 |
4.51 |
3.05 |
50 |
60.3 |
2 |
AED 15.60 |
4.25 |
350 |
2.4 |
2.77 |
100 |
114.3 |
4 |
AED 15.60 |
4.25 |
350 |
5.84 |
3.05 |
150 |
168.3 |
6 |
AED 17.83 |
4.85 |
400 |
11.32 |
3.40 |
125 |
141.3 |
5 |
AED 17.83 |
4.85 |
400 |
9.47 |
2.77 |
250 |
273.1 |
10 |
AED 17.83 |
4.85 |
400 |
22.63 |
3.4 |
200 |
219.1 |
8 |
AED 17.83 |
4.85 |
400 |
14.79 |
2.77 |
350 |
355.6 |
14 |
AED 22.28 |
6.07 |
500 |
34.36 |
3.96 |
300 |
323.9 |
12 |
AED 20.05 |
5.46 |
450 |
31.25 |
3.96 |
450 |
457.2 |
18 |
AED 22.28 |
6.07 |
500 |
46.8 |
4.19 |
400 |
406.4 |
16 |
AED 22.28 |
6.07 |
500 |
41.56 |
4.19 |
How can we improve the stainless steel 304 tube surface finish? How is surface finish measured?
Electropolishing can be employed that removes a thin layer of AISI 304 pipe material from the surface. Mechanical polishing is another method that entails the use of abrasive particles to remove surface imperfections of the 304 stainless steel round tube.
The surface finish of the 304 stainless tubing is measured by employing Ra or roughness average, which entails the arithmetic average of the absolute values. Other parameters used for SS 304 pipe include Rz (average peak-to-valley height), and Rq (root mean square roughness).
Most Common Types of SS 304 Pipe

Stainless Steel 304 Pipe

SS 304 seamless pipe

Stainless Steel 304 ERW pipe

ASTM A312 TP304 Pipe

Stainless Steel 304 Tube

SS 304 Welded Pipe

SA 312 tp 304 Seamless Tubing

1.4301 Tube

UNS S30400 Stainless Tubing
SS 304 welded pipe and 304 stainless steel round tube available in Schedule 160, 80, 40 as per ASME B36.19, check SUS 304 pipe price per meter in UAE
What are the advantages of SS 304 welded pipe?
Welded 304 tubing usually exhibits excellent mechanical properties including high tensile strength and good impact resistance. Welded 304 stainless steel tubing retains its aesthetic appeal over time because of its resistance to tarnishing, staining, and discoloration.
Welded SUS 304 pipe is produced from a non-porous material which means it does not harbor bacteria, mold, or other contaminants. This makes welded 1.4301 tube ideal for applications in applications such as food, pharmaceuticals, and healthcare where hygiene and cleanliness are critical.
SS 304 Seamless Pipe Schedule Chart

What Marking has been done on SS 304 welded pipe

304 stainless steel seamless pipe as per DIN, SUS, JIS, AISI, ASTM, check SS 304 erw pipe size chart, weight and SA 312 tp 304 specification
What are the uses and applications of SS 304 seamless pipe?
304 seamless tubing is widely used in industrial piping systems for transporting fluids and gases. Seamless products are also commonly utilized in plumbing units for residential, commercial, and industrial projects.
Schedule 40 304 stainless steel pipe is utilized in heat exchangers which are devices used for transferring heat between two fluids or gases. The excellent corrosion resistance and elevated temperature bearing properties exhibited by schedule 10 304 stainless steel pipe make it ideal for such applications.
SS 304 ERW Pipe Weight Chart

What are Test Certificates of SA 312 tp 304 Tube ?
- from Govt. Approved Lab. Laboratory Test Certificate
- (Form III-D) IBR Test Certificate
- Manufacturer Test Certificate
- Third Party Inspection
Stainless Steel 304 Tube Size chart

Check SA 312 TP 304 chemical composition, ask for a CIF & sample mill test certificate in Middle East
Why is quality testing required for SS 304 pipe? Which NDT technique cannot be carried out on 304 stainless steel seamless pipe?
Quality testing checks the mechanical properties of the 1.4301 stainless steel pipe such as tensile strength, yield strength, elongation, hardness, and impact resistance. These mechanical properties determine the pipe’s ability to sturdily withstand various loads and conditions.
Magnetic particle testing, liquid penetrant testing, and radiographic testing are a few NDT techniques that cannot be employed on A312 tp304 material. Other NDT techniques such as ultrasonic testing and eddy current testing can be employed to detect flaws in SS tubes.
What is Heat Treatment Methods of 304 tubing?

DIN 1.4301 pipe Chemical Composition

Mechanical Properties of 304 Stainless Tubing

SUS 304 Pipe Equivalent

UNS S30400 Pipe Industrial Application
- equipment and appliances, Kitchen benches, troughs, sinks
- Heat Exchangers
- Automotive trim
- Trailers
- Food processing equipment
- Architectural applications
- construction materials
- including for transport Chemical containers
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