Inconel 600 Pipes
Inconel 600 pipes, also referred to as 'alloy 600 pipe' or 'UNS N06600', are nickel-chromium alloy tubes with a minimum of 72% nickel and 14–17% chromium. The alloy resists oxidation, carburisation, and chloride stress corrosion at temperatures exceeding 1,000 °C. These pipes are used in heat treating, nuclear engineering, aerospace, chemical processing, and power generation.
Inconel 600 Pipe Price
The Inconel 600 pipe price depends on size, thickness, and market demand, as this nickel alloy offers excellent resistance to heat and corrosion.
Approximate Price Range
The Inconel 600 pipe price usually ranges between ₹2,500 and ₹6,000 per kg in India. Prices can differ based on the supplier and quantity ordered.
Cost Per Foot (Approx.)
On a per-foot basis, the cost may range from ₹1,500 to ₹8,000, depending on pipe diameter, wall thickness, and finish.
Factors Affecting Price
Inconel 600 pipe prices are determined by raw material costs (nickel content), pipe size and schedule, manufacturing process, surface finish, and current market conditions.
Available Types of Inconel 600 Pipe
Inconel 600 pipe and its variants are available in 6 distinct product forms, each suited to specific pressure, fabrication, and service conditions.
- Inconel 600 Seamless Pipe
- Inconel 600 Thick Wall Pipes
- Inconel 600 ERW Pipes
- Inconel 600 Welded Pipes
- Inconel 600 EFW Pipes
- Inconel 600 Round Pipes
Inconel 600 Pipes Specifications
The table below covers the manufacturing standards, dimensional range, and finish options for alloy 600 pipe as per ASTM and UNS specifications. Always confirm the exact requirements with the supplier before finalising an order.
|
Parameter |
Standard / Grade |
Range / Value |
|
UNS Number |
N06600 |
— |
|
W.Nr. |
2.4816 |
— |
|
ASTM Standard |
ASTM B167 / ASTM B517 |
Seamless & Welded |
|
Outer Diameter (OD) |
6.35 mm to 219.08 mm |
As per the schedule |
|
Pipe Schedules |
10S to 160 / XXH |
Per requirement |
|
Wall Thickness |
1.65 mm to 23.01 mm |
As per the schedule |
|
Forms Available |
Seamless, Welded, ERW, EFW |
Per application |
|
Surface Finish |
Pickled, Bright Annealed |
Per application |
|
Length |
Single / Double Random |
Up to 12 metres |
Chemical Composition of Alloy 600 Pipe
The chemical composition below defines the corrosion resistance, high-temperature strength, and weldability of alloy 600 pipe. The 72% minimum nickel content is what drives performance in oxidising and carburising environments.
|
Grade |
C |
Mn |
Si |
S |
Cu |
Fe |
Ni |
Cr |
|
Inconel 600 |
0.15 max |
1.00 max |
0.50 max |
0.015 max |
0.50 max |
6.00–10.00 |
72.00 min |
14.00–17.00 |
Mechanical Properties of Inconel 600 Pipes
These 5 mechanical property values set the structural performance baseline for Inconel 600 seamless pipe under standard test conditions.
|
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2% Offset) |
Elongation |
|
8.47 g/cm³ |
1413°C (2580 °F) |
95,000 psi / 655 MPa |
45,000 psi / 310 MPa |
40% |
Physical Properties of Inconel 600 (UNS N06600)
The values below define the thermal, electrical, and density characteristics of UNS N06600 across its service temperature range.
|
Grade |
Density (lb/in³) |
Density (Mg/m³) |
Melting Range (°F) |
Melting Range (°C) |
Spec. Heat (Btu/lb-°F) |
Spec. Heat (J/kg-°C) |
Curie Temp (°F) |
Curie Temp (°C) |
Elec. Resistivity (μΩ-m) |
|
UNS N06600 |
0.306 |
8.47 |
2470–2575 |
1354–1413 |
0.106 |
444.00 |
-192 |
-124 |
1.03 |
Inconel 600 Seamless Pipe Sizes
The table below lists standard OD, wall thickness, schedule designation, and weight per metre for Inconel 600 seamless pipe, ranging from 1/4 inch to 8 inches.
|
OD (mm) |
Wall Thickness (mm) |
Size (in.) |
Schedule |
Weight (kg/m) |
|
13.72 |
1.65 |
1/4 |
10S |
0.50 |
|
13.72 |
2.24 |
1/4 |
40S |
0.64 |
|
13.72 |
3.02 |
1/4 |
80S |
0.81 |
|
17.15 |
1.65 |
3/8 |
10S |
0.64 |
|
17.15 |
2.31 |
3/8 |
40S |
0.86 |
|
17.15 |
3.20 |
3/8 |
80S |
1.12 |
|
21.34 |
2.11 |
1/2 |
10S |
1.02 |
|
21.34 |
2.77 |
1/2 |
40S |
1.29 |
|
21.34 |
3.73 |
1/2 |
80S |
1.65 |
|
26.67 |
2.11 |
3/4 |
10S |
1.30 |
|
26.67 |
2.87 |
3/4 |
40S |
1.71 |
|
26.67 |
3.91 |
3/4 |
80S |
2.23 |
|
33.40 |
2.77 |
1 |
10S |
2.13 |
|
33.40 |
3.38 |
1 |
40S |
2.54 |
|
33.40 |
4.55 |
1 |
80S |
3.29 |
|
33.40 |
6.35 |
1 |
160 |
4.30 |
|
42.16 |
2.77 |
1¼ |
10S |
2.73 |
|
42.16 |
3.56 |
1¼ |
40S |
3.44 |
|
42.16 |
4.85 |
1¼ |
80S |
4.53 |
|
42.16 |
6.35 |
1¼ |
160 |
5.69 |
|
48.26 |
2.77 |
1½ |
10S |
3.16 |
|
48.26 |
3.68 |
1½ |
40S |
4.11 |
|
48.26 |
5.08 |
1½ |
80S |
5.49 |
|
60.33 |
2.77 |
2 |
10S |
3.99 |
|
60.33 |
3.91 |
2 |
40S |
5.52 |
|
60.33 |
5.54 |
2 |
80S |
7.60 |
|
60.33 |
8.74 |
2 |
160 |
11.29 |
|
73.03 |
3.05 |
2½ |
10S |
5.35 |
|
73.03 |
5.16 |
2½ |
40S |
8.77 |
|
73.03 |
7.01 |
2½ |
80S |
11.59 |
|
88.90 |
3.05 |
3 |
10S |
6.56 |
|
88.90 |
5.49 |
3 |
40S |
11.47 |
|
88.90 |
7.62 |
3 |
80S |
15.51 |
|
88.90 |
11.13 |
3 |
160 |
21.67 |
|
101.60 |
3.05 |
3½ |
10S |
7.53 |
|
101.60 |
5.74 |
3½ |
40S |
13.78 |
|
101.60 |
8.08 |
3½ |
80S |
18.92 |
|
114.30 |
3.05 |
4 |
10S |
8.50 |
|
114.30 |
6.02 |
4 |
40S |
16.32 |
|
114.30 |
8.56 |
4 |
80S |
22.67 |
|
114.30 |
13.49 |
4 |
160 |
34.05 |
|
141.30 |
6.55 |
5 |
40S |
22.10 |
|
141.30 |
9.53 |
5 |
80S |
31.44 |
|
141.30 |
15.88 |
5 |
160 |
49.87 |
|
168.28 |
3.40 |
6 |
10S |
14.04 |
|
168.28 |
7.11 |
6 |
40S |
28.69 |
|
168.28 |
10.97 |
6 |
80S |
43.21 |
|
168.28 |
14.27 |
6 |
120 |
54.75 |
|
168.28 |
18.26 |
6 |
160 |
68.59 |
|
219.08 |
8.18 |
8 |
40S |
43.20 |
|
219.08 |
12.70 |
8 |
80S |
65.63 |
|
219.08 |
18.23 |
8 |
120 |
91.30 |
|
219.08 |
23.01 |
8 |
160 |
112.97 |
UNS N06600 Tubing Schedule Chart
The schedule chart below maps IPS pipe sizes from 1/8 inch to 18 inches against available wall thickness schedules for alloy 600 tubing.
|
Pipe Size (IPS) |
Available Schedules |
Pipe Size (IPS) |
Available Schedules |
|
1/8" IPS (0.405" O.D.) |
SCH 40, 80 |
3½" IPS (4.000" O.D.) |
SCH 10, 40, 80, 160, XXH |
|
1/4" IPS (0.540" O.D.) |
SCH 10, 40, 80 |
4" IPS (4.500" O.D.) |
SCH 10, 40, 80, 160, XXH |
|
3/8" IPS (0.675" O.D.) |
SCH 10, 40, 80 |
5" IPS (5.563" O.D.) |
SCH 10, 40, 80, 160, XXH |
|
1/2" IPS (0.840" O.D.) |
SCH 5, 10, 40, 80, 160, XXH |
6" IPS (6.625" O.D.) |
SCH 5, 10, 40, 80, 120, 160, XXH |
|
3/4" IPS (1.050" O.D.) |
SCH 10, 40, 80, 160, XXH |
8" IPS (8.625" O.D.) |
SCH 5, 10, 40, 80, 120, 160, XXH |
|
1" IPS (1.315" O.D.) |
SCH 5, 10, 40, 80, 160, XXH |
10" IPS (10.750" O.D.) |
SCH 10, 20, 40, 80, TRUE 80 |
|
1¼" IPS (1.660" O.D.) |
SCH 10, 40, 80, 160, XXH |
12" IPS (12.750" O.D.) |
SCH 10, 20, 40, TRUE40, 80 |
|
1½" IPS (1.900" O.D.) |
SCH 10, 40, 80, 160, XXH |
14" IPS (14.000" O.D.) |
SCH 10, SCH 40 |
|
2" IPS (2.375" O.D.) |
SCH 10, 40, 80, 160, XXH |
16" IPS (16.000" O.D.) |
SCH 10, SCH 40 |
|
2½" IPS (2.875" O.D.) |
SCH 10, 40, 80, 160, XXH |
18" IPS (18.000" O.D.) |
SCH 40 |
|
3" IPS (3.500" O.D.) |
SCH 5, 10, 40, 80, 160, XXH |
Key Features Of Inconel 600 Pipes
Inconel 600 pipes carry 7 performance characteristics that make them the preferred choice in extreme temperature and corrosive service environments.
- Corrosion Resistance
- High-Temperature Strength
- Mechanical Properties
- Thermal Stability
- Oxidation Resistance
- Thermal Stability
- Low Coefficient of Expansion
Applications Of Inconel 600 Pipes
Alloy 600 pipe is used in 6 key industries where high-temperature strength and corrosion resistance are essential.
- Heat Treating Industry
- Nuclear Engineering
- Chemical and Petrochemical Processing
- Aerospace and Defense
- Power Generation
- Marine Applications
How To Choose The Right Inconel 600 Pipes Supplier
Choosing the right Inconel 600 pipe supplier has a direct impact on delivery timelines, material quality, and project reliability. Here are a few criteria to consider before placing an order.
- Evaluate the manufacturer's technical expertise: Look for a supplier who can clearly explain pressure ratings, ASTM B167 compliance, and grade differences between alloy 600 and similar nickel alloys. If answers are vague, take them seriously.
- Check grade availability and product range: Many suppliers carry only a few standard schedules. Confirm that the specific OD, wall thickness, and schedule you need are in stock before adjusting your design.
- Verify quality certifications and testing capabilities: Ask for mill test certificates, hydrostatic test reports, and PMI results. A reliable Inconel 600 pipe manufacturer will provide these documents.
- Examine the strength of their raw material sourcing: The quality of pipes depends heavily on the billets used in their production. It is important to check which primary mills supply the raw material, as inconsistent sourcing can lead to variations in final dimensions and chemical composition.
- Assess customisation capabilities: Confirm that cut lengths, bevelled ends, and non-standard schedules are handled in-house. Outsourcing these steps increases lead time and quality risk.
- Review delivery timelines and supply capacity: A trusted supplier should have enough stock and adequate logistics to handle huge and repetitive purchases without delay. At The Piping Mart, we connect you with reliable suppliers who maintain standard Inconel 600 pipe sizes in stock, ensuring quick and efficient delivery.
Inconel 600 pipes, also referred to as 'alloy 600 pipe' or 'UNS N06600', are nickel-chromium alloy tubes with a minimum of 72% nickel and 14–17% chromium. The alloy resists oxidation, carburisation, and chloride stress corrosion at temperatures exceeding 1,000 °C. These pipes are used in heat treating, nuclear engineering, aerospace, chemical processing, and power generation.
Inconel 600 Pipe Price
The Inconel 600 pipe price depends on size, thickness, and market demand, as this nickel alloy offers excellent resistance to heat and corrosion.
Approximate Price Range
The Inconel 600 pipe price usually ranges between ₹2,500 and ₹6,000 per kg in India. Prices can differ based on the supplier and quantity ordered.
Cost Per Foot (Approx.)
On a per-foot basis, the cost may range from ₹1,500 to ₹8,000, depending on pipe diameter, wall thickness, and finish.
Factors Affecting Price
Inconel 600 pipe prices are determined by raw material costs (nickel content), pipe size and schedule, manufacturing process, surface finish, and current market conditions.
Available Types of Inconel 600 Pipe
Inconel 600 pipe and its variants are available in 6 distinct product forms, each suited to specific pressure, fabrication, and service conditions.
- Inconel 600 Seamless Pipe
- Inconel 600 Thick Wall Pipes
- Inconel 600 ERW Pipes
- Inconel 600 Welded Pipes
- Inconel 600 EFW Pipes
- Inconel 600 Round Pipes
Inconel 600 Pipes Specifications
The table below covers the manufacturing standards, dimensional range, and finish options for alloy 600 pipe as per ASTM and UNS specifications. Always confirm the exact requirements with the supplier before finalising an order.
|
Parameter |
Standard / Grade |
Range / Value |
|
UNS Number |
N06600 |
— |
|
W.Nr. |
2.4816 |
— |
|
ASTM Standard |
ASTM B167 / ASTM B517 |
Seamless & Welded |
|
Outer Diameter (OD) |
6.35 mm to 219.08 mm |
As per the schedule |
|
Pipe Schedules |
10S to 160 / XXH |
Per requirement |
|
Wall Thickness |
1.65 mm to 23.01 mm |
As per the schedule |
|
Forms Available |
Seamless, Welded, ERW, EFW |
Per application |
|
Surface Finish |
Pickled, Bright Annealed |
Per application |
|
Length |
Single / Double Random |
Up to 12 metres |
Chemical Composition of Alloy 600 Pipe
The chemical composition below defines the corrosion resistance, high-temperature strength, and weldability of alloy 600 pipe. The 72% minimum nickel content is what drives performance in oxidising and carburising environments.
|
Grade |
C |
Mn |
Si |
S |
Cu |
Fe |
Ni |
Cr |
|
Inconel 600 |
0.15 max |
1.00 max |
0.50 max |
0.015 max |
0.50 max |
6.00–10.00 |
72.00 min |
14.00–17.00 |
Mechanical Properties of Inconel 600 Pipes
These 5 mechanical property values set the structural performance baseline for Inconel 600 seamless pipe under standard test conditions.
|
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2% Offset) |
Elongation |
|
8.47 g/cm³ |
1413°C (2580 °F) |
95,000 psi / 655 MPa |
45,000 psi / 310 MPa |
40% |
Physical Properties of Inconel 600 (UNS N06600)
The values below define the thermal, electrical, and density characteristics of UNS N06600 across its service temperature range.
|
Grade |
Density (lb/in³) |
Density (Mg/m³) |
Melting Range (°F) |
Melting Range (°C) |
Spec. Heat (Btu/lb-°F) |
Spec. Heat (J/kg-°C) |
Curie Temp (°F) |
Curie Temp (°C) |
Elec. Resistivity (μΩ-m) |
|
UNS N06600 |
0.306 |
8.47 |
2470–2575 |
1354–1413 |
0.106 |
444.00 |
-192 |
-124 |
1.03 |
Inconel 600 Seamless Pipe Sizes
The table below lists standard OD, wall thickness, schedule designation, and weight per metre for Inconel 600 seamless pipe, ranging from 1/4 inch to 8 inches.
|
OD (mm) |
Wall Thickness (mm) |
Size (in.) |
Schedule |
Weight (kg/m) |
|
13.72 |
1.65 |
1/4 |
10S |
0.50 |
|
13.72 |
2.24 |
1/4 |
40S |
0.64 |
|
13.72 |
3.02 |
1/4 |
80S |
0.81 |
|
17.15 |
1.65 |
3/8 |
10S |
0.64 |
|
17.15 |
2.31 |
3/8 |
40S |
0.86 |
|
17.15 |
3.20 |
3/8 |
80S |
1.12 |
|
21.34 |
2.11 |
1/2 |
10S |
1.02 |
|
21.34 |
2.77 |
1/2 |
40S |
1.29 |
|
21.34 |
3.73 |
1/2 |
80S |
1.65 |
|
26.67 |
2.11 |
3/4 |
10S |
1.30 |
|
26.67 |
2.87 |
3/4 |
40S |
1.71 |
|
26.67 |
3.91 |
3/4 |
80S |
2.23 |
|
33.40 |
2.77 |
1 |
10S |
2.13 |
|
33.40 |
3.38 |
1 |
40S |
2.54 |
|
33.40 |
4.55 |
1 |
80S |
3.29 |
|
33.40 |
6.35 |
1 |
160 |
4.30 |
|
42.16 |
2.77 |
1¼ |
10S |
2.73 |
|
42.16 |
3.56 |
1¼ |
40S |
3.44 |
|
42.16 |
4.85 |
1¼ |
80S |
4.53 |
|
42.16 |
6.35 |
1¼ |
160 |
5.69 |
|
48.26 |
2.77 |
1½ |
10S |
3.16 |
|
48.26 |
3.68 |
1½ |
40S |
4.11 |
|
48.26 |
5.08 |
1½ |
80S |
5.49 |
|
60.33 |
2.77 |
2 |
10S |
3.99 |
|
60.33 |
3.91 |
2 |
40S |
5.52 |
|
60.33 |
5.54 |
2 |
80S |
7.60 |
|
60.33 |
8.74 |
2 |
160 |
11.29 |
|
73.03 |
3.05 |
2½ |
10S |
5.35 |
|
73.03 |
5.16 |
2½ |
40S |
8.77 |
|
73.03 |
7.01 |
2½ |
80S |
11.59 |
|
88.90 |
3.05 |
3 |
10S |
6.56 |
|
88.90 |
5.49 |
3 |
40S |
11.47 |
|
88.90 |
7.62 |
3 |
80S |
15.51 |
|
88.90 |
11.13 |
3 |
160 |
21.67 |
|
101.60 |
3.05 |
3½ |
10S |
7.53 |
|
101.60 |
5.74 |
3½ |
40S |
13.78 |
|
101.60 |
8.08 |
3½ |
80S |
18.92 |
|
114.30 |
3.05 |
4 |
10S |
8.50 |
|
114.30 |
6.02 |
4 |
40S |
16.32 |
|
114.30 |
8.56 |
4 |
80S |
22.67 |
|
114.30 |
13.49 |
4 |
160 |
34.05 |
|
141.30 |
6.55 |
5 |
40S |
22.10 |
|
141.30 |
9.53 |
5 |
80S |
31.44 |
|
141.30 |
15.88 |
5 |
160 |
49.87 |
|
168.28 |
3.40 |
6 |
10S |
14.04 |
|
168.28 |
7.11 |
6 |
40S |
28.69 |
|
168.28 |
10.97 |
6 |
80S |
43.21 |
|
168.28 |
14.27 |
6 |
120 |
54.75 |
|
168.28 |
18.26 |
6 |
160 |
68.59 |
|
219.08 |
8.18 |
8 |
40S |
43.20 |
|
219.08 |
12.70 |
8 |
80S |
65.63 |
|
219.08 |
18.23 |
8 |
120 |
91.30 |
|
219.08 |
23.01 |
8 |
160 |
112.97 |
UNS N06600 Tubing Schedule Chart
The schedule chart below maps IPS pipe sizes from 1/8 inch to 18 inches against available wall thickness schedules for alloy 600 tubing.
|
Pipe Size (IPS) |
Available Schedules |
Pipe Size (IPS) |
Available Schedules |
|
1/8" IPS (0.405" O.D.) |
SCH 40, 80 |
3½" IPS (4.000" O.D.) |
SCH 10, 40, 80, 160, XXH |
|
1/4" IPS (0.540" O.D.) |
SCH 10, 40, 80 |
4" IPS (4.500" O.D.) |
SCH 10, 40, 80, 160, XXH |
|
3/8" IPS (0.675" O.D.) |
SCH 10, 40, 80 |
5" IPS (5.563" O.D.) |
SCH 10, 40, 80, 160, XXH |
|
1/2" IPS (0.840" O.D.) |
SCH 5, 10, 40, 80, 160, XXH |
6" IPS (6.625" O.D.) |
SCH 5, 10, 40, 80, 120, 160, XXH |
|
3/4" IPS (1.050" O.D.) |
SCH 10, 40, 80, 160, XXH |
8" IPS (8.625" O.D.) |
SCH 5, 10, 40, 80, 120, 160, XXH |
|
1" IPS (1.315" O.D.) |
SCH 5, 10, 40, 80, 160, XXH |
10" IPS (10.750" O.D.) |
SCH 10, 20, 40, 80, TRUE 80 |
|
1¼" IPS (1.660" O.D.) |
SCH 10, 40, 80, 160, XXH |
12" IPS (12.750" O.D.) |
SCH 10, 20, 40, TRUE40, 80 |
|
1½" IPS (1.900" O.D.) |
SCH 10, 40, 80, 160, XXH |
14" IPS (14.000" O.D.) |
SCH 10, SCH 40 |
|
2" IPS (2.375" O.D.) |
SCH 10, 40, 80, 160, XXH |
16" IPS (16.000" O.D.) |
SCH 10, SCH 40 |
|
2½" IPS (2.875" O.D.) |
SCH 10, 40, 80, 160, XXH |
18" IPS (18.000" O.D.) |
SCH 40 |
|
3" IPS (3.500" O.D.) |
SCH 5, 10, 40, 80, 160, XXH |
Key Features Of Inconel 600 Pipes
Inconel 600 pipes carry 7 performance characteristics that make them the preferred choice in extreme temperature and corrosive service environments.
- Corrosion Resistance
- High-Temperature Strength
- Mechanical Properties
- Thermal Stability
- Oxidation Resistance
- Thermal Stability
- Low Coefficient of Expansion
Applications Of Inconel 600 Pipes
Alloy 600 pipe is used in 6 key industries where high-temperature strength and corrosion resistance are essential.
- Heat Treating Industry
- Nuclear Engineering
- Chemical and Petrochemical Processing
- Aerospace and Defense
- Power Generation
- Marine Applications
How To Choose The Right Inconel 600 Pipes Supplier
Choosing the right Inconel 600 pipe supplier has a direct impact on delivery timelines, material quality, and project reliability. Here are a few criteria to consider before placing an order.
- Evaluate the manufacturer's technical expertise: Look for a supplier who can clearly explain pressure ratings, ASTM B167 compliance, and grade differences between alloy 600 and similar nickel alloys. If answers are vague, take them seriously.
- Check grade availability and product range: Many suppliers carry only a few standard schedules. Confirm that the specific OD, wall thickness, and schedule you need are in stock before adjusting your design.
- Verify quality certifications and testing capabilities: Ask for mill test certificates, hydrostatic test reports, and PMI results. A reliable Inconel 600 pipe manufacturer will provide these documents.
- Examine the strength of their raw material sourcing: The quality of pipes depends heavily on the billets used in their production. It is important to check which primary mills supply the raw material, as inconsistent sourcing can lead to variations in final dimensions and chemical composition.
- Assess customisation capabilities: Confirm that cut lengths, bevelled ends, and non-standard schedules are handled in-house. Outsourcing these steps increases lead time and quality risk.
- Review delivery timelines and supply capacity: A trusted supplier should have enough stock and adequate logistics to handle huge and repetitive purchases without delay. At The Piping Mart, we connect you with reliable suppliers who maintain standard Inconel 600 pipe sizes in stock, ensuring quick and efficient delivery.
Inconel 600 Pipes Suppliers
Inconel 600 Pipes FAQ's
In India, Inconel 600 seamless pipes usually cost about INR 1,500–4,500 per kg, depending on size, thickness, finish, and how much you buy. Welded and ERW pipes are usually more affordable, while special sizes or certified material (like PED or NACE) are more expensive.
Inconel 600 pipe is a nickel-chromium alloy tube (72% Ni min, 14–17% Cr) used in high-temperature and corrosive service. It is also known as Alloy 600 pipe or UNS N06600 and is manufactured per ASTM B167 for seamless and ASTM B517 for welded forms.
The primary standards are ASTM B167 (seamless pipe and tube), ASTM B517 (welded pipe), UNS N06600, and W.Nr. 2.4816. These govern chemical composition, mechanical properties, dimensional tolerances, and testing requirements.
Inconel 600 has 72% nickel and 14-17% chromium. Inconel 625 consists of around 58% nickel, 20-23% chromium, and 8-10% molybdenum. Inconel 625 is more resistant to pitting and crevice corrosion than Inconel 600, which is more suitable for dry, high-temperature environments.
Inconel 600 outperforms SS 316 in dry, high-temperature environments above 600 °C and in strongly oxidising conditions. SS 316 is more cost-effective for aqueous or mildly corrosive service at moderate temperatures. The right choice depends on operating temperature, chemical exposure, and budget.
Alloy 600 pipe is available in OD sizes from 13.72 mm (1/4 inch) to 219.08 mm (8 inches) and above, with schedules from 10S to 160/XXH. Verified manufacturers offer custom wall thicknesses and lengths based on the requirements.