FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
Introduction
ASTM A312 /
A312M covers seamless, welded, and heavily cold worked austenitic stainless
steel pipes intended for high-temperature and corrosive service. These pipes
are known for their excellent corrosion resistance, strength, and durability in
demanding environments.
ASTM A312
stainless steel pipes are widely used in industries where resistance to
corrosion, oxidation, and high pressure is essential.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A312 /
A312M stainless steel pipes, supplying high-quality seamless and welded pipes
for critical industrial applications.
Applicable Standard
Standard
Specification: ASTM A312 / A312M
Organization: ASTM International
Title: Standard Specification for Seamless, Welded, and Heavily Cold Worked
Austenitic Stainless Steel Pipes
This
specification covers stainless steel pipes for high-temperature and general
corrosive service.
Forms of Supply
ASTM A312
stainless steel pipes are supplied in the following forms:
Seamless
pipes
Welded pipes
ERW pipes
Cold worked pipes
Cut-to-length pipes
Supply
Condition
Solution
annealed
Heat-treated condition
Pickled and passivated
Surface
Finish
Annealed and
pickled
Bright annealed
Polished (if required)
Standard
Sizes
Outside
Diameter: 6 mm to 610 mm
Wall Thickness: 1 mm to 50 mm
Length: Up to 12 meters or as required
Important Grades Covered Under ASTM A312 / A312M
TP304
TP304L
TP316
TP316L
TP321
TP347
These grades
are austenitic stainless steels offering excellent corrosion resistance and
mechanical properties.
Chemical Composition of ASTM A312 Stainless Steel
Pipes (%)
|
Grade |
Carbon |
Manganese |
Phosphorus |
Sulfur |
Silicon |
Chromium |
Nickel |
Molybdenum |
Titanium |
Columbium |
Tantalum |
Nitrogen |
Vanadium |
Copper |
Cerium |
Boron |
Aluminum |
|
TPXM-19 |
0.030 |
7.0–9.0 |
0.045 |
0.030 |
1.00 |
15.0–17.0 |
1.50–3.0 |
— |
— |
0.10–0.30 |
— |
0.15–0.30 |
— |
— |
— |
— |
— |
|
TPXM-19 |
0.06 |
4.0–6.0 |
0.045 |
0.030 |
1.00 |
20.5–23.5 |
11.5–13.5 |
1.50–3.0 |
— |
0.10–0.30 |
— |
0.20–0.40 |
0.10–0.30 |
— |
— |
— |
— |
|
TPXM-10 |
0.08 |
8.0–10.0 |
0.045 |
0.030 |
1.00 |
19.0–21.5 |
5.5–7.5 |
— |
— |
— |
— |
0.15–0.40 |
— |
— |
— |
— |
— |
|
TPXM-11 |
0.04 |
8.0–10.0 |
0.045 |
0.030 |
1.00 |
19.0–21.5 |
5.5–7.5 |
— |
— |
— |
— |
0.15–0.40 |
— |
— |
— |
— |
— |
|
TPXM-29 |
0.08 |
10.5–14.5 |
0.060 |
0.030 |
1.00 |
17.0–19.0 |
2.3–3.7 |
— |
— |
— |
— |
0.20–0.40 |
— |
— |
— |
— |
— |
|
TP304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–11.0 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP304L |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–13.0 |
— |
— |
— |
— |
— |
— |
— |
0.03–0.08 |
— |
— |
|
TP304H |
0.04–0.10 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–11.0 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP304N |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–11.0 |
— |
— |
— |
— |
0.10–0.16 |
— |
— |
— |
— |
— |
|
TP304LN |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
8.0–12.0 |
— |
— |
— |
— |
0.10–0.16 |
— |
— |
— |
— |
— |
|
TP305 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
10.0–13.0 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP309S |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
22.0–24.0 |
12.0–15.0 |
0.75 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP309H |
0.04–0.10 |
2.00 |
0.045 |
0.030 |
1.00 |
22.0–24.0 |
12.0–16.0 |
0.75 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP310S |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
24.0–26.0 |
19.0–22.0 |
0.75 |
— |
— |
— |
0.10 |
— |
— |
— |
— |
— |
|
TP310H |
0.04–0.10 |
2.00 |
0.045 |
0.030 |
1.00 |
24.0–26.0 |
19.0–22.0 |
0.75 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP316 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP316L |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP316H |
0.04–0.10 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP316N |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0–18.0 |
10.0–14.0 |
2.00–3.00 |
— |
— |
— |
0.10–0.16 |
— |
— |
— |
— |
— |
|
TP317 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0–20.0 |
11.0–14.0 |
3.0–4.0 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP321 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–12.0 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP321H |
0.04–0.10 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–12.0 |
— |
— |
— |
— |
0.10 |
— |
— |
— |
— |
— |
|
S32615 |
0.07 |
2.00 |
0.045 |
0.030 |
4.8–6.0 |
16.5–19.5 |
19.0–22.0 |
0.30–1.50 |
— |
— |
— |
0.45–0.55 |
— |
1.50–2.50 |
— |
— |
— |
|
S32654 |
0.020 |
2.0–4.0 |
0.030 |
0.005 |
0.50 |
24.0–25.0 |
21.0–23.0 |
7.0–8.0 |
— |
— |
— |
— |
— |
0.30–0.60 |
0.05–0.10 |
— |
0.025 |
|
S33228 |
0.04–0.08 |
1.00 |
0.020 |
0.015 |
0.30 |
26.0–28.0 |
31.0–33.0 |
— |
0.60–1.00 |
— |
— |
— |
— |
— |
— |
— |
— |
|
TP347 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–13.0 |
— |
— |
10×C
min |
— |
— |
— |
— |
— |
— |
— |
|
TP347H |
0.04–0.10 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–13.0 |
— |
— |
10×C
min |
— |
— |
— |
— |
— |
— |
— |
|
TP347LN |
0.005–0.020 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–13.0 |
— |
— |
— |
— |
0.06–0.10 |
— |
— |
— |
— |
— |
|
TP348 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–13.0 |
— |
— |
10×C |
— |
— |
— |
— |
— |
— |
— |
|
TP348H |
0.04–0.10 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0–19.0 |
9.0–13.0 |
— |
— |
10×C |
— |
— |
— |
— |
— |
— |
— |
|
S35045 |
0.06–0.10 |
1.50 |
0.040 |
0.015 |
1.20–2.00 |
24.0–26.0 |
32.0–37.0 |
— |
— |
0.60 |
— |
0.12–0.18 |
— |
0.75 |
0.03–0.08 |
— |
— |
|
S35315 |
0.04–0.08 |
2.00 |
0.040 |
0.030 |
1.20–2.00 |
24.0–26.0 |
34.0–36.0 |
— |
— |
— |
— |
0.12–0.18 |
— |
— |
— |
— |
— |
|
TPXM-15 |
0.08 |
2.00 |
0.030 |
0.030 |
1.50–2.50 |
17.0–19.0 |
17.5–18.5 |
0.75–1.50 |
— |
— |
— |
— |
— |
0.75–1.50 |
— |
— |
0.30 |
Tensile Requirements
|
Grade |
Tensile
Strength, min ksi [MPa] |
Yield
Strength, min ksi [MPa] |
|
TPXM-19 |
95 [635] |
48 [330] |
|
TPXM-10 |
100 [690] |
55 [380] |
|
TPXM-11 |
90 [620] |
50 [345] |
|
TPXM-29 |
100 [690] |
55 [380] |
|
TP304 |
75 [515] |
30 [205] |
|
TP304L |
70 [485] |
25 [170] |
|
TP304H |
75 [515] |
30 [205] |
|
TP304N |
80 [550] |
35 [240] |
|
TP304LN |
75 [515] |
30 [205] |
|
TP305 |
78 [540] |
35 [240] |
|
TP309S |
75 [515] |
30 [205] |
|
TP309H |
75 [515] |
30 [205] |
|
TP309Cb |
75 [515] |
30 [205] |
|
TP309HCb |
75 [515] |
30 [205] |
|
TP310S |
75 [515] |
30 [205] |
|
TP310H |
75 [515] |
30 [205] |
Key Features of ASTM A312 Stainless Steel Pipes
Excellent
corrosion resistance
High strength and durability
Good weldability and formability
Resistance to oxidation and scaling
Suitable for high-temperature applications
Smooth surface finish
Long service life with minimal maintenance
Applications of ASTM A312 Stainless Steel Pipes
ASTM A312
pipes are widely used in industries requiring corrosion resistance and high
performance.
Oil &
Gas Industry
• Process piping
• Offshore pipelines
Chemical
& Petrochemical Industry
• Process equipment
• Heat exchanger piping
Power Plants
• Boiler piping
• Steam lines
Food &
Pharmaceutical Industry
• Hygienic piping systems
• Process lines
Heat Treatment
Pipes are
solution annealed to enhance corrosion resistance
Heat treatment removes residual stresses
Ensures uniform microstructure and improved performance
Conclusion
ASTM A312 /
A312M stainless steel pipes offer a reliable and versatile solution for
industries requiring corrosion resistance, strength, and durability. These
pipes are ideal for high-temperature, high-pressure, and corrosive
environments.
Ladhani
Metal Corporation supplies ASTM A312 / A312M stainless steel pipes in various
grades and sizes, ensuring high-quality products for oil & gas, chemical,
power, and industrial applications.
FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
info@ladhanimetals.com
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