MasMetal

Do the math where you cut the steel.

Sections, weights and cutting plans free on your iPhone, no account. DXF, quote requests and more with Pro.

Coming soon to the App Store

  • iPhone
  • Metric and imperial
  • EU and US sections
The MasMetal home screen

Sound familiar?

Every day, time and steel are lost to math on the back of an envelope. This is what MasMetal fixes.

  • Guessing the weight

    • HEA 200 · 2 × 4.2 m
    • 42.3 × 8.4 = 365?
    • + flat + tube … ??
    With MasMetal

    471.9 kg

    total, per section to the standard

    The calculation list gives the weight per section and the total, per the standard, as you type.

    Read the guide →
  • Ordering too many bars

    • 4200 + 4200 = 8400
    • fits on 6 m?
    • how many bars to order??
    With MasMetal

    30 m

    to order · 8.5 m left, drawn per bar

    The cutting plan spreads your pieces over 6 or 12 m bars and tells you exactly what to order and what is left.

    Read the guide →
  • Offcuts nobody can find

    • SHS 80 offcut · ±2.5 m?
    • at the back, I think
    • just order new then
    With MasMetal

    2580 mm

    rack A, outside left · used first

    Offcuts keeps track of what is on the rack and where. The cutting plan uses them first.

    Read the guide →
  • Angles worked out on scrap paper

    • 120° frame … saw at ?
    • 60° or 30°??
    • cut piece 2 again
    With MasMetal

    30° + 23.1 mm

    saw setting per piece, with the extra length

    Mitre, Spacing and Pipe joint do the math. For a pipe you print the template at full size.

    Read the guide →
  • Half a day chasing prices

    • call Steel supplier A
    • retype the list for B
    • C speaks German??
    With MasMetal

    3 emails

    ready, each in the supplier's language

    Quote request writes a prefilled email per supplier, in their language, with every line, the total weight and a request for price, lead time and payment terms.

    Read the guide →
  • No drawing for the laser

    • base plate 200 × 200
    • 4 holes Ø18 at 40 mm
    • no CAD, no time
    With MasMetal

    base-plate.dxf

    cutting file ready for the laser

    With Plate → DXF and Scriber you make the cutting file on your iPhone, in a few taps.

    Read the guide →

Tools

The everyday calculators are free. Those marked PRO are part of Pro. All guides →

  • Sections W shapes, channels, HSS, pipe, angle and flat bar.

    Depth, width, thickness, weight per foot or metre, moment of inertia and section modulus. European and American series, in rotatable 3D. Read the guide →

  • Calculation list Weight and totals per project.

    Section, length, quantity and steel grade. Totals update live, so you know the weight before the crane shows up. Read the guide →

  • Cutting plan Stock lengths with as little waste as possible.

    Spread your cut list over 6 or 12 m (20 or 40 ft) bars. Each bar shows what you cut and what is left. Read the guide →

  • Mitre Saw angle from the frame angle. PRO

    A flat corner, a bend in a slope or a true compound angle, with the length correction for the outside dimension. Read the guide →

  • Spacing Balusters spaced evenly across an opening. PRO

    Enter the opening and the baluster, and get the gap and the layout marks. Made for railings and gates. Read the guide →

  • Pipe joint Fishmouth for pipe on pipe. PRO

    A wrap-around template for the branch pipe, plus the hole template for the main pipe. From 20° to square, offset too. Read the guide →

  • Offcuts Know what is still on the rack.

    You can keep track of leftovers from a cutting plan, with their spot on the rack. The app tells you when you already have a piece. Read the guide →

  • Sheet metal bending Developed length and bend deduction. PRO

    For the press brake, calibrated to your own machine, with the full working shown. Read the guide →

  • Quote request By email to your suppliers, in their language. PRO

    From calculation list to a prefilled email per supplier, in their language. Share the cut list as a PDF. Every request gets its own reference. Read the guide →

See it on screen

Real screens from the app on an iPhone. Shown in the Dutch version.

  • Takeoff list: weight per section and the total.
    Takeoff list: weight per section and the total.
  • Cutting plan: what to order and what is left over.
    Cutting plan: what to order and what is left over.
  • Spacing, with the working shown.
    Spacing, with the working shown.
PRO

From sketch to cutting file

Draw your plate with your finger or type the dimensions. MasMetal straightens it out and turns it into a DXF for laser, plasma or waterjet.

  • Plate → DXF

    Rectangle, disc or flange, with holes, slots, rounded corners and chamfers.

  • Scriber

    Draw with your finger. Grid, snapping, auto-straighten and CAD edits.

  • Request a price

    Email the DXF to your own cutting shop, or get an online price from 247TailorSteel or OrderOn.

Plate → DXF: type in sizes and holes.
Scriber: draw on a grid, then export the cutting file.

Numbers you can trust

If you buy steel on a number, it has to be right. So MasMetal shows where every number comes from.

  • How this was calculated

    Every calculator card shows the working, with your own numbers.

  • Standards

    Section data per AISC, ASTM A6, EN 10365, EN 10056-1 and EN 10210/10219.

  • Something wrong?

    One button, and we check it.

Coming next

MasMetal grows with the shop. This is planned after launch.

Soon

  • In the workshop

    Cutting plan 2.0

    Buying advice per supplier: which stock lengths to order.

  • In the workshop

    Flat patterns and rolling

    Bend lines in Plate → DXF and the flat pattern as DXF, for rolled parts too.

  • In the workshop

    Sketch → Scriber

    Photograph a sketch with dimensions and it opens as a drawing in Scriber.

Later

  • On the drawing board

    3D

    Frames from sections and plates with thickness in 3D, with cut list and weight.

  • On the drawing board

    Job notes

    Photo, dimension and note per job, kept with your project.

  • On the drawing board

    Quotes and invoices

    From calculation list to quote and invoice, with e-invoicing via Peppol.

Free and Pro

Pro changes nothing about the free tools: they stay exactly as they are. Pro adds drawing and DXF files, plus monthly credits for AI scans.

Feature Free€0 / $0, for good Pro€9.99 / $9.99 a month
Calculate
Sections and library
Calculation list and weight
Cutting plan and offcuts
Mitre, Spacing and Pipe joint
Sheet metal bending
Working and standards
Quote requests and orders by email
Drawing and DXF
Plate → DXF
Scriber
3D In development
Flat patterns and rolling In development
AI
Scan of drawings and delivery notes 3 a month Monthly credits
Sketch → Scriber In development
Always
No ads
Account Not needed For your subscription
Your data stays on your iPhone
7-day free trial

PRO €9.99 / $9.99 a month, or €79 / $79 a year. Arrives after launch, with a 7-day free trial. Free stays free.

Missing something?

MasMetal is built with the shop floor. Your idea could be the next tool.

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Your shop in your pocket.

Made for the people who order, cut and weld the steel.

Become a tester