Schedule 40 Steel Pipe



ANSI/ ASME B36.10 Schedule 40 Carbon Steel Pipe chart, dimensions, weight, Supplier and exporter of SCH 40 Pipe in API 5L, Schedule 40 Pipe Wall Thickness, Alloy & Carbon Steel SCH 40 Pipe Size Chart as per ASME B36.10, ASTM A106/A53 Grade B, A333 Gr 6, A335 P22/ P11/ P9 material in India.


Schedule 40 steel pipe

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Steel pipes are available in various grades. There are also different schedules for these grades. A certain schedule has a set of standards for how thick the pipe should be. As the number goes up, so does the thickness of the pipe. Schedule 40 Steel Pipe is one of these pipes that can be used for many things and has been shown to work well.

There are two ways to coat these pipes with zinc: in-line galvanization or hot-dip galvanization. When sch 40 pipe is dipped in hot zinc, the zinc bonds to the pipe. Sch40 on a pipe means that it can hold 40 kg of pressure. It's shown by a standard thickness of 4 mm. ANSI B36.10 wall thickness: Sch10, Sch20, Sch30, Sch40, Sch60, Sch80, Sch100, Sch120, Sch140, Sch160 ten levels.

Schedule 40 Stainless Steel Pipe is a type of steel pipe that can be used for different kinds of piping. There are uses for air, oil, water, and natural gas, among others. The sch40 pipes are made out of different grades of steel. It is especially resistant to corrosion from chloride ions, which can cause stress cracks. The material also has less carbon, which makes it easier to weld and less likely to rust in one spot. Pipes should be less than 10 inches in diameter. Smaller pipe lines use the 1 inch Schedule 40 Stainless Steel Pipe.

The weight of schedule 40 steel pipes also changes based on how big they are. In general, the weight of sch 40 pipes per foot is 1.68 lbs. Like all pipes, schedule 40 pipes have their own benefits. Since the walls of these schedule 40 pipes are thinner, they are said to be best for applications with low water pressure. One must make sure that the size of the sch 40 pipes fits the needs of the application. It is only as strong as where it is weakest. If the pressure is different, it can change right away.

From the table, you can figure out how thick sch 40 pipes are. Before, the sizes of schedule 40 steel pipes were split into three parts: standard weight (STD), double extra strong (XXS), and extra strong (XS). These groups were based on how big the pipes were. Schedule 40 Steel Pipes suppliers were supposed to stop using these classifications, but they still exist and are widely used.

Manufacturer and supplier of Schedule 40 Pipe in Stainless Steel, ASTM A106 Grade B, A53 Grb, A333 Grade 6, Aluminum, API 5L Gr. B Carbon Steel and Gi material, Schedule 40 Carbon Steel Pipe Manufacturers.


Is Schedule 40 Pipe?

Sch40 on a pipe means that it can hold 40 kg of pressure. It's shown by a standard thickness of 4 mm.
The most common pipe schedule is Schedule 40 Steel Pipe. It can be galvanised, but it doesn't have to be, and is usually used for water and gas lines. It can also be found in places that need to be decorated or held up.
It makes a great pipe because it can be used in many ways and works well. ANSI B36.10 wall thickness: Sch10, Sch20, Sch30, Sch40, Sch60, Sch80, Sch100, Sch120, Sch140, Sch160 ten levels.
Manufacturer and supplier of Schedule 40 Pipe in Stainless Steel, ASTM A106 Grade B, A53 Grb, A333 Grade 6, Aluminum, API 5L Gr. B Carbon Steel and Gi material, Schedule 40 Carbon Steel Pipe Manufacturers.

Schedule 40 Pipe size chart, dimensions, wall thickness and weight:

Nominal size [inches] Outside diameter [inches] Outside diameter [mm] Wall thickness [inches] Wall thickness [mm] Weight [lb/ft] Weight [kg/m]
1/8 inches 0.405 inches 10.3 MM 0.068 inches 1.73 MM 0.24 lb/ft 0.37 kg/m
1/4 inches 0.540 inches 13.7 MM 0.088 inches 2.24 MM 0.42 lb/ft 0.84 kg/m
1/2 inches 0.840 inches 21.3 MM 0.109 inches 2.77 MM 0.85 lb/ft 1.27 kg/m
3/4 inches 1.050 inches 26.7 MM 0.113 inches 2.87 MM 1.13 lb/ft 1.69 kg/m
1 inches 1.315 inches 33.4 MM 0.133 inches 3.38 MM 1.68 lb/ft 2.50 kg/m
1 1/4 inches 1.660 inches 42.2 MM 0.140 inches 3.56 MM 2.27 lb/ft 3.39 kg/m
1 1/2 inches 1.900 inches 48.3 MM 0.145 inches 3.68 MM 2.72 lb/ft 4.05 kg/m
2 inches 2.375 inches 60.3 MM 0.154 inches 3.91 MM 3.65 lb/ft 5.44 kg/m
2 1/2 inches 2.875 inches 73.0 MM 0.203 inches 5.16 MM 5.79 lb/ft 8.63 kg/m
3 inches 3.500 inches 88.9 MM 0.216 inches 5.49 MM 7.58 lb/ft 11.29 kg/m
3 1/2 inches 4.000 inches 101.6 MM 0.226 inches 5.74 MM 9.11 lb/ft 13.57 kg/m
4 inches 4.500 inches 114.3 MM 0.237 inches 6.02 MM 10.79 lb/ft 16.07 kg/m
5 inches 5.563 inches 141.3 MM 0.258 inches 6.55 MM 14.62 lb/ft 21.77 kg/m
6 inches 6.625 inches 168.3 MM 0.280 inches 7.11 MM 18.97 lb/ft 28.26 kg/m
8 inches 8.625 inches 219.1 MM 0.322 inches 8.18 MM 28.55 lb/ft 42.55 kg/m
10 inches 10.750 inches 273.0 MM 0.365 inches 9.27 MM 40.48 lb/ft 60.31 kg/m
12 inches 12.750 inches 323.8 MM 0.406 inches 10.31 MM 53.52 lb/ft 79.73 kg/m
14 inches 14 inches 355.6 MM 0.375 inches 11.13 MM 54.57 lb/ft 94.55 kg/m
16 inches 16 inches 406.4 MM 0.500 inches 12.70 MM 82.77 lb/ft 123.30 kg/m
18 inches 18 inches 457.0 MM 0.562 inches 14.27 MM 104.67 lb/ft 155.80 kg/m
20 inches 20 inches 508.0 MM 0.594 inches 15.09 MM 123.11 lb/ft 183.42 kg/m
24 inches 24 inches 610.0 MM 0.688 inches 17.48 MM 171.29 lb/ft 255.41 kg/m
32 inches 32 inches 813.0 MM 0.688 inches 17.48 MM 230.08 lb/ft 342.91 kg/m

Chemical Composition of Schedule 40 Steel Pipe

Schedule 40 steel pipe is a type of steel pipe with a standard thickness and is commonly used in a variety of applications. The chemical composition of Schedule 40 steel pipe can vary depending on the specific grade and type of steel used, but generally, it will contain the following elements:

  • Carbon (C): Carbon is the most important element in steel, and it is typically present in amounts ranging from 0.05% to 1.5%. Carbon gives steel its strength and hardness, and also influences its ductility, toughness, and weldability.
  • Manganese (Mn): Manganese is often added to steel to improve its strength, toughness, and hardenability. It is typically present in amounts ranging from 0.3% to 1.5%.
  • Phosphorus (P): Phosphorus is typically present in small amounts in steel, ranging from 0.04% to 0.12%. It can have both positive and negative effects on steel, depending on the specific application.
  • Sulfur (S): Sulfur is another element that is typically present in small amounts in steel, ranging from 0.05% to 0.30%. It can have both positive and negative effects on steel, depending on the specific application.
  • Silicon (Si): Silicon is often added to steel to improve its strength, hardness, and ductility. It is typically present in amounts ranging from 0.15% to 0.40%.
  • Copper (Cu): Copper is sometimes added to steel to improve its corrosion resistance. It is typically present in small amounts, ranging from 0.20% to 0.40%.
  • Chromium (Cr): Chromium is often added to steel to improve its corrosion resistance, hardness, and strength. It is typically present in amounts ranging from 0.08% to 0.40%.
  • Nickel (Ni): Nickel is also added to steel to improve its corrosion resistance, strength, and toughness. It is typically present in amounts ranging from 0.25% to 0.45%.

The specific chemical composition of Schedule 40 steel pipe can vary depending on the grade and type of steel used, as well as any additional alloying elements that may be added. It is important to consult the manufacturer's specifications for the specific chemical composition of any given Schedule 40 steel pipe.

Grades of Schedule 40 Steel Pipe

Schedule 40 steel pipe is available in a range of grades, each with its own unique properties and characteristics. The most common grades of Schedule 40 steel pipe are as follows:

  • ASTM A53 Grade B: This is the most commonly used grade of Schedule 40 steel pipe, and it is ideal for use in a variety of applications, including plumbing, construction, and industrial uses. It has a minimum yield strength of 35,000 psi and a minimum tensile strength of 60,000 psi.
  • ASTM A106 Grade B: This grade of Schedule 40 steel pipe is often used in high-temperature applications, such as steam and gas lines, as well as in refineries and plants. It has a minimum yield strength of 35,000 psi and a minimum tensile strength of 60,000 psi.
  • API 5L Grade B: This is another commonly used grade of Schedule 40 steel pipe, particularly in the oil and gas industry. It has a minimum yield strength of 35,000 psi and a minimum tensile strength of 60,000 psi.
  • ASTM A333 Grade 6: This grade of Schedule 40 steel pipe is designed for low-temperature service, and it is often used in cryogenic applications, such as liquefied natural gas (LNG) plants. It has a minimum yield strength of 35,000 psi and a minimum tensile strength of 60,000 psi.

Other grades of Schedule 40 steel pipe may be available, depending on the specific application and requirements. It is important to consult the manufacturer's specifications to determine the appropriate grade of Schedule 40 steel pipe for a given application.

Applications of Sch 40 Steel Pipe

Schedule 40 steel pipe is commonly used in a wide range of applications across various industries. Some of the most common applications of Schedule 40 steel pipe include:

  • Plumbing and HVAC: Schedule 40 steel pipe is widely used for plumbing and heating, ventilation, and air conditioning (HVAC) systems in residential, commercial, and industrial buildings.
  • Water treatment: Schedule 40 steel pipe is used in water treatment plants and distribution systems for conveying clean water and wastewater.
  • Oil and gas: Schedule 40 steel pipe is commonly used in the oil and gas industry for transporting crude oil, natural gas, and other petroleum products.
  • Chemical processing: Schedule 40 steel pipe is used in chemical processing plants for conveying acids, alkalis, and other corrosive chemicals.
  • Power generation: Schedule 40 steel pipe is used in power plants for conveying steam and other fluids in high-temperature and high-pressure applications.
  • Construction: Schedule 40 steel pipe is commonly used in construction for structural applications, such as building supports, scaffolding, and fences.
  • Agriculture: Schedule 40 steel pipe is used in irrigation systems for conveying water to crops and for supporting agricultural structures such as greenhouses.
  • Mining: Schedule 40 steel pipe is used in mining operations for conveying slurries and other materials in corrosive environments.

Overall, Schedule 40 steel pipe is a versatile and durable product that is used in a wide range of applications across many different industries.

Schedule 40 Steel Pipe Prices

The price of Schedule 40 steel pipe can vary depending on a variety of factors, including the grade of steel, the diameter of the pipe, the length of the pipe, and the location of the supplier.

SCH 40 Nominal pipe size (NPS)

NPS 1/2 3/4 1 2 3 4
DN 15 20 25 32 40 50 65 80 90 100

Notes:


  • For NPS ≥ 4, the related DN = 25 multiplied by the NPS number.
  • From NPS 12 and above the wall thickness between SCH 40 and STD are different, from NPS 10 and above the wall thickness between schedule 80 and XS are different.

Schedule 40 Carbon Steel Pipe Pressure Rating

  • 1 in (inch) = 25.4 mm
  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2) = 6.895x10-2 bar

Maximum Allowable Pressure (psi) (kPa)
NPS Outside Diameter (OD) Schedule
(in) (in) (mm) 40
1/4 0.54 13.7 7985 55057
3/8 0.675 17.1 6606 45548
1/2 0.84 21.3 6358 43838
3/4 1.05 26.7 5273 36357
1 1.315 33.4 4956 34172
1 1/4 1.66 42.2 4133 28497
1 1/2 1.9 48.3 3739 25780
2 2.375 60.3 3177 21905
2 1/2 2.875 73 3460 23857
3 3.5 88.9 3024 20850
3 1/2 4 102 2769 19092
4 4.5 114 2581 17796
5 5.563 141 2273 15672
6 6.625 168 2071 14280
8 8.625 219 1829 12611
10 10.75 273 1664 11473
12 12.75 324 1560 10756
14 14 356 1533 10570
16 16 406 1531 10556
18 18 457 1530 10549
20 20 508 1455 10032
22 22 559  
24 24 610 1405 9687
30 30 762  
32 32 813 1054 7267
34 34 864 992 6840
36 36 914 1021 7040
42 42 1067 875 6033

Schedule 40 Pipe Dimensions and Wall Thickness

Pipe Sizes* O.D. (in.) Schedule (40) Pipe
Wall Thickness (in.)**
Sch.40
Wall (in) I.D. (in)
1/8" 0.41 od 0.07 in 0.269 id
Weight (lbs/ft.) Steel 0.247 lbs/ft
Stainless
Aluminum  
1/4" 0.54 od 0.090 in 0.364 id
Weight (lbs/ft.) Steel 0.429 lbs/ft
Stainless
Aluminum 0.147 lbs/ft
3/8" 0.675 od 0.091 in 0.493 id
Weight (lbs/ft.) Steel 0.570 lbs/ft
Stainless
Aluminum 0.196 lbs/ft
1/2" 0.840 od 0.109 in 0.622 id
Weight (lbs/ft.) Steel 0.850 lbs/ft
Stainless
Aluminum 0.294 lbs/ft
3/4" 1.050 od 0.113 in 0.824 id
Weight (lbs/ft.) Steel 1.13 lbs/ft
Stainless
Aluminum 0.391
1" 1.315 od 0.133 in 1.049 id
Weight (lbs/ft.) Steel 1.68 lbs/ft
Stainless
Aluminum 0.581 lbs/ft
1-1/4" 1.66 od 0.140 in 1.380 id
Weight (lbs/ft.) Steel 2.27 lbs/ft
Stainless
Aluminum 0.785 lbs/ft
1-1/2" 1.90 od 0.145 in 1.610 id
Weight (lbs/ft.) Steel 2.72 lbs/ft
Stainless
Aluminum 0.939 lbs/ft
2" 2.375 od 0.154 in 2.067 id
Weight (lbs/ft.) Steel 3.66 lbs/ft
Stainless
Aluminum 1.260 lbs/ft
2-1/2" 2.875 od 0.203 in 2.469 id
Weight (lbs/ft.) Steel 5.80 lbs/ft
Stainless
Aluminum 2.000 lbs/ft
3" 3.50 od 0.216 in 3.068 id
Weight (lbs/ft.) Steel 7.58 lbs/ft
Stainless
Aluminum 2.620 lbs/ft
3-1/2" 4.00 od 0.226 in 3.550 id
Weight (lbs/ft.) Steel 9.12 lbs/ft
Stainless
Aluminum 3.150 lbs/ft
4" 4.50 od 0.237 in 4.026 id
Weight (lbs/ft.) Steel 10.80 lbs/ft
Stainless
Aluminum 3.730 lbs/ft
5" 5.563 od 0.258 in 5.047 id
Weight (lbs/ft.) Steel 14.63 lbs/ft
Stainless
Aluminum 5.050 lbs/ft
6" 6.625 od 0.280 in 6.065 id
Weight (lbs/ft.) Steel 18.99 lbs/ft
Stainless
Aluminum 6.560 lbs/ft
8" 8.625 od 0.322 in 7.981 id
Weight (lbs/ft.) Steel 28.58 lbs/ft
Stainless
Aluminum 9.88 lbs/ft
*Nominal sizes apply - Pipe Size is the generic Industry Size Standard for reference only **Tolerances may vary slightly from each manufacturer


Manufacturer and supplier of Schedule 40 steel pipes in India, check the available grades at a glance: