Stainless Steel Seamless Tube & Pipe
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Stainless Steel Seamless Tube & Pipe

Stainless steel seamless tube and pipe are essential components of various industries including energy, construction, automotive, and manufacturing.
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Product Introduction

They are widely used in different applications like transportation of fluid, heat- exchange, chemical processing, and many others. These tubes and pipes are made up of high-quality stainless steel, which provides excellent durability, strength, and resistance to corrosion, heat, and pressure.

One of the key benefits of stainless steel seamless tubes and pipes is their ability to withstand high temperatures and pressures. They are ideal for use in extreme environments that require efficient heat transfer and reliable performance. Moreover, seamless tubes and pipes offer superior mechanical properties and dimensional accuracy, ensuring optimal functionality and efficiency in applications.

Stainless steel seamless tubes and pipes are also hygienic and easy to maintain. They are resistant to bacteria and germs, making them ideal for use in food processing and healthcare facilities. Additionally, they require minimal maintenance, reducing operational costs and downtime.

Another advantage of stainless steel seamless tubes and pipes is their aesthetic appeal. They provide a sleek and polished appearance that complements various architectural designs. They are also available in a wide range of sizes and shapes, enabling them to fit seamlessly into various applications.

In conclusion, stainless steel seamless tubes and pipes are essential components in various industries due to their durability, strength, and resistance to heat, pressure, and corrosion. They offer superior mechanical properties, dimensional accuracy, and hygienic properties, making them ideal for different applications. Their aesthetic appeal and ease of maintenance also make them a popular choice for many industries.

seamless stainless steel pipe

Specification

SS Seamless Tube Chemical Formula

Grade

UNS #

Content % by weight

Carbon

Manganese

Phosphorus

Sulfur

Silicon

Chromium

Nickel

Molybdenum

TP304

S30400

0.08

2.00

0.045

0.030

1.00

18–20

8–11

x

TP304L

S30403

0.035

2.00

0.045

0.030

1.00

18–20

8–13

x

TP316

S31600

0.08

2.00

0.045

0.030

1.00

16–18

10–14

2–3

TP316L

S31603

0.035

2.00

0.045

0.030

1.00

16–18

10–14

2–3

Standard

Mechanical Property

ASTM

TS(Mpa)≥

YS(Mpa)≥

EL(%)≥

Hardness

HB

HRB

201

520

275

40

241

100

202

520

275

40

207

95

301

520

205

40

207

95

304

520

205

40

20

90

304L

480

175

40

187

90

309S

520

205

40

187

90

310

520

205

40

187

90

310S

520

205

40

187

90

316

520

205

40

187

90

316L

480

175

40

187

90

316Ti

520

205

40

187

90

317L

480

175

40

187

90

321

520

205

40

187

90

430

450

205

22

183

88

904L

490

216

35

 

 

2205

640

 

25

 

 

Process

Hot Rolling (Extruded Seamless Steel Pipe) Process:

round tube billet→heating→perforation→three-roller cross-rolling, continuous rolling or extrusion→tube removal→sizing (or reducing diameter)→cooling→straightening→hydraulic test (Or flaw detection)→mark→storage

 

 

Cold Drawn (Rolled) Seamless Steel Tube Process:

round tube billet→heating→perforation→heading→annealing→pickling→oiling (copper plating)→multi-pass cold drawing (cold rolling)→billet→heat treatment→straightening→Hydraulic test (flaw detection)→Marking→Storage.

ss 304 seamless tube

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