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ASTM A358 Stainless Steel Pipes (304L, 316L, 321, 347 etc ): Chemical Composition, Features & Applications

FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-

www.ladhanimetal.com

www.ladhanimetal.in

ladhanimetal@gmail.com

info@ladhanimetals.com


Introduction

ASTM A358 / A358M covers electric-fusion-welded austenitic chromium-nickel stainless steel pipes intended for high-temperature and corrosive service applications. These pipes are manufactured using filler metal and are designed to provide excellent corrosion resistance, strength, and reliability under demanding operating conditions.

ASTM A358 stainless steel pipes are widely used in industries requiring large diameter welded pipes capable of handling high pressure and elevated temperatures.

Ladhani Metal Corporation is a manufacturer, supplier, and exporter of ASTM A358 / A358M stainless steel pipes, supplying high-quality electric-fusion-welded pipes for critical industrial applications.


Applicable Standard

Standard Specification: ASTM A358 / A358M
Organization: ASTM International
Title: Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

This specification covers electric-fusion-welded stainless steel pipes intended for corrosive and high-temperature environments.


Forms of Supply

ASTM A358 stainless steel pipes are supplied in the following forms:

Electric-fusion-welded pipes
Large diameter welded pipes
Straight length pipes
Cut-to-length pipes

Supply Condition

Solution annealed
Heat-treated condition
Pickled and passivated

Surface Finish

Mill finish
Pickled finish
Polished finish (if required)

Standard Sizes

Outside Diameter: 219 mm to 3000 mm
Wall Thickness: 3 mm to 50 mm
Length: Up to 12 meters or as required


Grades Covered Under ASTM A358 / A358M

TP304L
TP316L
TP321
TP347

These grades are austenitic stainless steels offering excellent corrosion resistance and high-temperature strength.


Chemical Composition of ASTM A358 Stainless Steel Pipes (%)

Grade

Carbon

Sulfur

Manganese

Chromium

Phosphorus

Silicon

Molybdenum

Nickel

Titanium

Niobium

Nitrogen

TP304

0.08

0.030

2.0

18.0–20.0

0.045

1.0

8.0–11.0

TP304L

0.035

0.030

2.0

18.0–20.0

0.045

1.0

8.0–13.0

TP304H

0.04–0.10

0.030

2.0

18.0–20.0

0.045

1.0

8.0–11.0

TP304N

0.08

0.030

2.0

18.0–20.0

0.045

1.0

8.0–18.0

0.10–0.16

TP304LN

0.035

0.030

2.0

18.0–20.0

0.045

1.0

8.0–12.0

0.10–0.16

TP309S

0.08

0.030

2.0

22.0–24.0

0.045

1.0

0.75

12.0–15.0

TP309H

0.04–0.10

0.030

2.0

22.0–24.0

0.045

1.0

12.0–15.0

TP309Cb

0.08

0.030

2.0

22.0–24.0

0.045

1.0

0.75

12.0–16.0

10×C min, 1.10 max

TP309HCb

0.04–0.10

0.030

2.0

22.0–24.0

0.045

1.0

0.75

12.0–16.0

10×C min, 1.10 max

TP310S

0.08

0.030

2.0

24.0–26.0

0.045

1.0

0.75

19.0–22.0

TP310H

0.04–0.10

0.030

2.0

24.0–26.0

0.045

1.0

19.0–22.0

TP310Cb

0.08

0.030

2.0

24.0–26.0

0.045

1.0

0.75

19.0–22.0

10×C min, 1.10 max

TP310HCb

0.04–0.10

0.030

2.0

24.0–26.0

0.045

1.0

0.75

19.0–22.0

10×C min, 1.10 max

TP316

0.08

0.030

2.0

16.0–18.0

0.045

1.0

2.0–3.0

11.0–14.0

TP316L

0.035

0.030

2.0

16.0–18.0

0.045

1.0

2.0–3.0

10.0–14.0

TP316H

0.04–0.10

0.030

2.0

16.0–18.0

0.045

1.0

2.0–3.0

11.0–14.0

TP316Ti

0.08

0.030

2.0

16.0–18.0

0.045

0.75

2.0–3.0

10.0–14.0

5×(C−N)–0.70

0.10

TP316N

0.08

0.030

2.0

16.0–18.0

0.045

1.0

2.0–3.0

10.0–14.0

0.10–0.16

TP316LN

0.035

0.030

2.0

16.0–18.0

0.045

1.0

2.0–3.0

11.0–14.0

0.10–0.16

TP317

0.08

0.030

2.0

18.0–20.0

0.045

1.0

3.0–4.0

10.0–14.0

TP317L

0.035

0.030

2.0

18.0–20.0

0.045

1.0

3.0–4.0

11.0–15.0

TP321

0.08

0.030

2.0

17.0–19.0

0.045

1.0

9.0–12.0

0.10

TP321H

0.04–0.10

0.030

2.0

17.0–19.0

0.045

1.0

9.0–12.0

0.10

TP347

0.08

0.030

2.0

17.0–19.0

0.045

1.0

9.0–13.0

TP347H

0.04–0.10

0.030

2.0

17.0–19.0

0.045

1.0

9.0–13.0

TP347LN

0.05–0.20

0.030

2.0

17.0–19.0

0.045

1.0

9.0–13.0

0.20–50.0

0.06–0.10

TP348

0.08

0.030

2.0

17.0–19.0

0.045

1.0

9.0–13.0

TP348H

0.04–0.10

0.030

2.0

17.0–19.0

0.045

1.0

9.0–13.0


Key Features of ASTM A358 Stainless Steel Pipes

Excellent corrosion resistance
Suitable for high-temperature service
High strength and durability
Reliable welded construction
Good oxidation resistance
Available in large diameters
Long service life in aggressive environments


Applications of ASTM A358 Stainless Steel Pipes
ASTM A358 pipes are widely used in industries requiring corrosion resistance and high-temperature performance.

Oil & Gas Industry
• Process pipelines
• Refinery piping systems

Chemical & Petrochemical Industry
• Corrosive fluid transportation
• Process equipment piping

Power Plants
• High-temperature piping
• Steam systems

Industrial Applications
• Heat exchanger piping
• Pressure piping systems


Heat Treatment

Pipes are solution annealed after welding
Heat treatment improves corrosion resistance and ductility
Ensures uniform microstructure and performance


Conclusion

ASTM A358 / A358M stainless steel pipes provide a reliable solution for high-temperature and corrosive applications. With excellent weld integrity, corrosion resistance, and availability in large diameters, these pipes are ideal for demanding industrial environments.

Ladhani Metal Corporation supplies ASTM A358 / A358M stainless steel pipes in various grades and sizes, ensuring high-quality products for oil & gas, petrochemical, and power generation industries.

 FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-

www.ladhanimetal.com

www.ladhanimetal.in

ladhanimetal@gmail.com

info@ladhanimetals.com

 

 

 

 

 

 

 

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 2026-05-07T10:47:48

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