Our Apps

Petal Layout Development

This app calculates Sphere, Hemispherical Head or Hemi Head, Dish End Petal type layout Development required in plate or sheet metal lay-outing used for fabrication. it is also called Flat pattern development of Sphere or Hemispherical Heads.
This app used for petal lay-outing of Vessels End Caps. it is used in spherical type storage tank fabrication. it is used in heads or dish ends or vessel cap fabrication of pressure vessels.It is recommended to used mean dimensions for lay-outing for higher accuracy and ready to used fabrication layouts.

In this app we had following shapes Petal Layout Developments:

1. Hemispherical Head
2. Sphere

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Cones Calculators

Cones Calculator App is used to calculates flat Pattern layouts developments of Full Cone, Half Cone , Truncated Cone, Concentric Cone, Eccentric Cone, Tori Cone, Multi-level Concentric Cones, Multi-level eccentric Cones, Cone with Knuckle, Cones with Knuckle at top, Cone with knuckle at bottom.Cones Calculator Best for Solution of All types of Cone and Conical Shape used in Fabrication Pressure Vessels, Heat Ex-changers and storage Tank.It is Recommended to use Mean Dimensions of Cones to get Ready to use fabrication layouts.Cones Calculator App has Following Option of Cone Layouts or Flat Pattern :

1. Truncated Cone.
2. Multi-level Truncated Cone
3. Eccentric Cone
4. Multi-Level eccentric Cone
5. Tori Cone with Knuckle at large side
6. Tori Cone with Knuckle at Both Sides.

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Branch Pipe Layouts

Branch Pipe Layout App build to Get Flat Pattern Layout or Fabrication Layout

This App Included Pipe or Shell Layout, Pipe or Cylinder Truncated at an Angle at Top Side, Pipe or Cylinder Truncated at an Angle at Top and Bottom Side,Pipe or Cylinder Truncated at Top With Some Radius, Pipe to Pipe OR Cylinder to Cylinder Intersection at 90o with Equal Diameter, Pipe to Pipe OR Cylinder to Cylinder Intersection at 90o with unequal Diameter and offset Distance, Pipe to Cone OR Cone to Cylinder OR Cone to Nozzle Intersection at 90 Deg,Pipe to Cone OR Cone to Cylinder OR Cone to Nozzle Intersection with Parallel axis.

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Welding Calculator

Welding calculator is very useful for Welding Material Requirement Calculation and Welding Cost Calculation for Various Types of Joint used in Fabrication.Welding Cost calculator gives us Weight of Welding Electrode or Filler Metal required for Welding Fillet Joint and But Joint used in Fabrication. Welding Cost calculator is useful for weld diposition calculations. This app calculate diposition for all types of materials such as iron,carbon steel, stainless steel, brass bronze, and othe alloys.Using This app we will us weight of Filler Material required for particular joint and by using this weight we can easily roughly estimate the cost of Filler Material Required and Quantity of Filler material Required.

In this app Square Butt Weld, Single Bevel Butt Weld, Double Bevel Weld, Double bevel variable angle Weld, Single V Butt weld, Double V Butt Weld, Double V Butt Variable angle weld, Fillet Weld this joint Configuration is used.In this app we had consider all dimensions in mm or metric system, so please input all inputs in mm. In this app for selection of Material Specific Gravity and Deposition Efficiency Standard Chart is shown for ready reference.after calculation consider some extra material for other losses.

Arc Calculations

This app is build to Calculate Arc Length, Arc Radius, Arc Angle, Arc Cord Length, Arc Tangent height, Arc Depth, Arc Sector Area, Arc Segment Area, In this app Arc Angle and Arc Radius is used as input.

Angle is used in Degree for Calculation.

This app is Very useful in fabrication Field. it required to calculate all arc calculation when we are doing Marking or we had required to calculate dimension while studying Engineering Drawings.

It is very helpful in Process Equipment fabrication, Piping, Engineering Drawings, Pressure Vessels fabrication, Heat Ex-changer Fabrication, Machining Process.

Screw Flight

Screw Flight Layout App is Design to make handy Calculation of Screw Flight development. This app gives Flat pattern Size for Cutting Blank plate for development or fabrication of Screw flight. This app is very useful for those who are working in the field of Screw Conveyor or Ribbon Blender fabrication.

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Flange Hole Marker

Flange Hole Marker app is very useful during hole center Marking on flange at a given Pitch Circle Diameter. This app gives hows much cord length required to divide required No of hole on our available Pitch Circle Diameter.

This app is very useful for those who are dealing with flange hole marking or bolt hole marking on flanges or any other application where we had to divide required no of parts on pitch circle diameter.

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Miter bend

Miter Bend Layout app is build to Calculate Layout Marking of Miter Bend Flat Pattern. This app is very useful for all working professionals in the Field of Fabrication. Currently This app is designed by Considering 24 Nos. of equal Divisions of Plate or Pipe.

This app is used Mean Diameter Method to Calculate layout so you must need to enter Inside Diameter of Pipe and Thickness of Pipe so that app is automatically calculate Mean Diameter and layout Marking Will as per mean Diameter. so marking Should be done on Raw Plate of required size shown in this app.

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Eccentric Cone Layout

Eccentric Cone Layout app build for simple and faster layout development of Eccentric Cone. This app is also calculate: Cone included angle, Cone overall height.

In this app we had made provision of Marking dimensions so that user can easily layout on raw plate for this marking we had given options as per following: Large end marking, Small End marking, large End Dividing marking, small end dividing marking.

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Fabrication Weight Calcultor

Fabrication Weight Calculator app is designed to calculate Weight of All Shapes used in fabrication such as Plate, Shell, Circle or Round bar, Pipe, Dish Ends, Full Cone, Truncated Cone, Angle, Channel, Beam, Hex Bar , Triangular bar, Square bar, Square Tube, Rectangular Tube etc.

It Supports All Material some of common material as Carbon Steel, Stainless Steel, Aluminium, Copper, Brass, Bronze, Cast Iron, Lead etc. You Can Calculate Weight of Any Engineering Material by giving input as Specific Gravity of this Material.

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Vessel Heads

Vessel Head or Dish end app is very helpful for Calculation of Blank Diameter, Weight,Crown Radius, Knucle Radius,Height and other Related Terms of Various Types of Vessel heads such as Torispherical Head, ellipsoidal head and Hemispherical Head.

This app is designed for following Heads.
1. 10% Torispherical head or dish Ends.
2. 2: 1 Ellipsoidal head or Dish Ends.
3. Hemispherical heads.

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Materials With Electrodes

ASME Material and Electrode app is Build to get easy and tools for knowing AMSE or ASTM Material Specification, AWS Electrodes Specification of All most commonly Used in Fabriction Fields. In this app Materials and Electrodes Selection is Available for Carbon Steel, Low Carbon Steel, alloy Steels, stainless Steel, Ni Steel, Non ferrous Steels. In this Types of Material all sub types of material Specification and their welding electrode specifications are available.

ASTM Specifications of Pipe , Tube, Wrought Fittings, Forging , Casting and Plate Materials Specifications & AWS Specifications of Covered and Bare Electrodes and their preferred and alternate welding electrodes are shown in this app.

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Tank Partial Volume

Vessel partial Volume app is very useful Calculating Partial Volume & Full Volume of Horizontal and Vertical Tank or Vessel having Different Type of Head Attachment.

In this app We can get Partial or Full Volume of tank or Vessel having following types of Head arrangement

1. Flat head
2. Torispherical Head
3. Hemispherical head
4. Ellipsoidal head

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Toricone Flat Pattern

Toricone Flat Pattern app developed to get layout or flat pattern of Toricone with knuckle at large end or Knuckle at Both Ends in easy & faster. This app is very simple to use & learn.

This app takes inputs of large end Diameter, small End Diameter, Included half apex angle of the cone straight face for matching with Shell. This app is best tool for handy use during workshop fabrication day to day activity.

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Elliptical head

Elliptical Head app is very helpful during Template layout Marking of Ellipsoidal Head or 2:1 Elliptical Head of vessel. This app calculate Marking dimension by Dividing 12 equal parts or 24 equal part method so that user can get their desired Accuracy.

This app takes Input as Inside Diameter of Dish end, Height of Dish End and Straight face Dimensions.This app generate All marking in the form of X and Y Co-ordinates system.

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Transition Layouts

Transition Layout Development app is design to Square to Round layouts Development or Rectangular to Round Development. This app has various options for Square to Round development. This is also called Transition Piece development. This app has 12 lines, 24 lines, 36 lines options for layout development.

This app has three options for develoment:
1 Part or 1 Joint layout.
2 Part or 2 Joint layouts.
4 Part or 4 Joints Layouts.

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Dish Nozzles Marker

Dish end Nozzle Marker app is build to calculate Nozzle Marking Distance while Marking on Pressure Vessel Dish end or Head of Different Types. This app is Calculate Nozzle marking Distance for Torispherical heads, 2:1 Semi Ellipsoidal Heads, Hemispherical Heads Types of Dish ends or Heads.

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Nozzles Orientation Marker

Nozzle Orientation marker is developed for easy, fast and simple use of this calculator while Nozzle marking on Pressure vessel, tank or any other shell. It simply required input of outside circumference or shell outside diameter.

This app calculate arc length required for marking nozzle on shell at a given angle. This app is also calculate arc length required for 1 degree.

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Cone Layout

Cone layout app is build to fabrication layout of cone in faster and easy way. In this app layout of Full cone and Truncated Cone Calculated. All Dimensions are used in this app in MM or metric System.

This app is give output as development radius, development angle, cord length, weight of Cone Blank and Plate size required for Cone.

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Pressure Vessel Tolerance
Pressure Vessel Tolerance had Cover Generalized Pressure Vessel Fabrication Tolerance which widely used in manufacturing of Equipment. In this App Plate Tolerance, Pipe and Tube tolerance, Shell Tolerance, Dish Tolerance
Nozzle Tolerance, Man way Tolerance.
Base Ring Tolerance, Saddle Tolerance.
Cleat and Bracket Tolerance, Tray installation tolerance, tray Support tolerance, Weir Tolerance.
Heat Ex-changer Area

Heat Ex-changer Calculator App is build to Calculate Actual Heat transfer Surface area on the basis of no of tubes, tube diameter and tube length.

if you know heat transfer area then you can calculate no. of tubes required for heat transfer in shell and tube heat ex changer.

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Pressure Vessel Guideline

Pressure Vessel Guideline app is build to know general good fabrication practice Rules and guideline for Fabrication of Pressure Vessels a per good engineering procedure is enlisted.

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Fabrication layout Ebook

Fabrication Layout Ebbok is developed by Let'sFab which is team of Mechanical Engineer. In this App eBook is available for easy and faster learning of fabrication layout development of Most common Shapes used in fabrication of Pressure vessel,Heat Ex changer, Storage Tank such as Full cone, Truncated Cone, Eccentric Cone, Square to Round, Round to Square, Miter bend, Screw Flight,Cylinder to Cylinder intersection.

In this Both Graphical and Numerical Method of layout Development if Described for easy understanding in simple language.

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Agitator Design eBook

Agitator Design Ebook app gives basic knowledge of design concept used in Agitator or Mixer. this app is helpful for understanding various terminology used in agitator design.

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Welding Position

Welding Position app describe all basic welding position used in fabrication of all types of equipment's. In This app Groove type and Fillet Type welding Position are shown.
In Groove types Weld All types of Plate to Plate & Pipe to Pipe welding positions as per ASME Section IX has been Explained.

In Fillet types Weld All types of Plate to Plate & Pipe to Pipe welding positions as per ASME Section IX has been Explained.

Welding Position Shown in this app are 1G or Flat Position, 2G or Horizontal Position, 3G or Vertical position, 4G Overhead Position, 5G Multiple position.

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Welding Symbols

Welding Symbol app is useful to learn welding Symbols & their meaning Which are in fabrication Drawing. This app has shown fillet weld Joint of Different Types which are most widely used in engineering Drawing.

This app has also described various Butt weld joints Which are Used in Engineering Drawing.This app has Basic Symbols of Welding Joints.

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Pump Power

This app is very handy and useful for calculation Pump Power requirement in simple,easy and faster way.

In this app we can calculate Following Powers:
1. hydraulic power
2.Shaft power
3.Motor Power.

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Screw Conveyor Capacity

This app build to calculate Screw Conveyor Capacity, Conveyor Speed and Screw Conveyor Power Requirement.

This app has three calculator:
1.Material carrying Capacity.
2.Speed.
3.Power requirement.

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Chain Conveyor

This app is basically Design for Capacity Calculation of Various Chain Conveyor, Bulk Flow Conveyor or Redler Conveyor in Metric Tonne per Hour or Metric Tonne per Day.

This app Calculate Conveyor Capacity in MT/HR and Conveyor Capacity in MT/Day.

This app is very helpful for those who are working in the field of Conveying equipment.

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Bucket Elevator

This app is helpful for calculating Bucket Elevator capacity in MT/hr or MT/Day. This App Gives you Result as:

Actual Bucket Capacity
No of Buckets per meter
Elevator capacity in MT/hr
elevator capacity in MT/Day.

for Bucket capacity refer Volume of Bucket as per Standard Belt Speed should be in the range of 1-2 m/s & filling % should be assumed in the range of 65 % to 75 %.

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Sheet Bending Calculator

This app is build to calculate bending allowance, bending deduction, Plate or Sheet size required for bending. This app give easy and faster bending calculation

Plate finish size is calculate as finish size = length(L1) + length(L2) - bend deduction.

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Hydrotest Pressure Calculator

This app is build to calculate Hydro-test pressure required for Pressure vessel and piping system.

This calculator is very useful for daily reference.

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Specific Gravity

This app is build to Know about specific Gravity value of all types of Metal, liquids, Gases and other miscellaneous solids. This app has Specific gravity Value of Following Reference:
1.Metals at 62 Degree Fahrenheit.
2.Hydrocarbons at 60 Degree Fahrenheit.
3.Liquids at 62 Degree Fahrenheit.
4.Gases at 32 Degree Fahrenheit.
5. Miscellaneous Solids at 62 Degree Fahrenheit.

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Agitator Power Calculator

This app calculate power required for agitation.In this app losses are Considered as Gland losses as 10%, Transmission losses as 20 %

In this you can select types of agitator as  Straight Blades, Pitched Blade, Curved Blades, Anchor, Propeller, Disc Type, Turbine type, Narrow hydrofoil, Wide hydrofoil.

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Tube Expansion Calculator

This app is very helpful for those who are working in the Field of fabrication of Tubular heat ex changer, Boiler or any other process equipment where heat is transfer by shell & tube types of arrangement.

This app is most useful for those who are Production engineer,Quality Engineer or Any Authorized Inspector those inspect Tube sheet to Tube Expansion joints. This tool will best suited for faster calculation of % of Tube Expansion or Thinning of tube wall thickness.

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Pipe Length Calculator

This app is very useful for working professional. In this equipment heating or Cooling coil generally used to heat or cool process fluid for different purpose, so while fabrication of this types of coil we required to calculate length of pipe so that we can estimate or send raw pipe to form a coil to by rolling process.

This is very handy tool for all those who are frequently used pipe coil for different purpose such as heating or cooling. This tool also helps to designer or estimator to calculate cost of raw material or while preparing Bill of Material.

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No. of Hole Coalculator

This app useful while calculating No of holes of Equal diameter d can be cut from given circle of Diameter D.

This is useful for estimating no of holes will be fitted in tube sheet of heat ex-changer or any other perforated plate holes calculation.

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Electric Power

This app is build to calculate Electric Power requirement of Single phase and Three phase power Supply.

This is basic Calculator used in day to day electrical calculation.

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