As-Cast Surface Finish | Mechanical Engineer T-Shirt

100% Airlume Combed Ring-Spun CottonLightweight

  • Navy t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Man in navy t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Woman in navy t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Close up of navy t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Man in black t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Woman in black t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Close up of black t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Man in white t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Woman in white t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
  • Close up of white t-shirt featuring "As-Cast Survivor" text and an Ra 50 surface roughness symbol for mechanical engineer.
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€24,95 EUR
€24,95 EUR
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Design Story

Built for engineers who’ve survived as-cast surfaces, bad pours, and Ra 50 days where finishing wasn’t even on the table.

Some parts are finely milled to an Ra 0.8 mirror finish. Other parts come straight out of the sand mold, rough, tough, and ready to carry the structural load. If you are the kind of engineer who lacks a corporate filter but gets the hard work done, you are an "As-Cast Survivor." This engineer t-shirt celebrates the raw, unpolished professionals of the foundry and the shop floor. No secondary machining required—what you see is exactly what you get.

Best For

Best for metallurgists, casting engineers, and heavy manufacturing crews who live with cast surfaces long before machining cleans them up.

  • Mechanical engineers designing heavy castings and forgings.
  • Foundry workers, metallurgists, and materials engineers.
  • QA inspectors who check surface finish callouts on blueprints.
  • Manufacturing professionals who describe their personality as "rough around the edges."

Gift Guide

A tough gift for anyone in foundries, steel mills, or rough machining who has earned every scratch, chip, and Ra 50 shift on the shop floor.

This is a highly specialized engineer gift idea for the heavy industry professional. It’s an essential piece of manufacturing workwear that doubles as a brilliant funny engineer t-shirt. Whether you’re shopping for a metallurgical engineer or a mechanical designer, this STEM clothing proves you actually understand their world.

Product Specifications

The Premium Fit You Deserve.

Incredibly soft, broken-in feel right out of the box.

  • Fit & Feel: Retail Fit (Unisex) – True to size with a slightly tailored cut. Not too boxy, not too tight.
  • Premium Fabric: 100% Airlume combed & ring-spun cotton (4.2 oz/yd²). Pre-shrunk to minimize shrinkage.
  • Durability: Side-seamed construction with shoulder-to-shoulder taping for lasting shape.
  • Origin: Blank sourced from Nicaragua, Honduras or the US.
  • Printed on Demand: Printed by Printful after you order, with water-based DTG inks.

Model Reference: Bella+Canvas 3001 (The Gold Standard of Premium Tees).

Washing Instruction

  • Wash 30C Icon

    Wash cold (30°C / 86°F), inside out, with similar colors.

    Use mild detergent. No bleach. No softeners.

  • No Bleach Icon

    Do not use bleach. It can damage fiber integrity.

    Tip: Use oxygen-based stain removers if necessary.

  • Tumble Dry Low Icon

    Tumble dry Low or Hang dry (Recommended).

    Optimum: Flat air dry to preserve fiber tension.

  • Iron Low Icon

    Iron on Low Heat if needed. Do NOT iron prints.

    Tip: hang dry to reduce wrinkles.

  • No Dry Clean Icon

    Do not dry clean. Chemical solvents damage prints.

  • Eco Ink Icon

    Water-based inks.

    A faint scent may be present after printing and typically dissipates after the first wash.

"Treat your gear like hardware. Maintain it."

Supply Chain Certifications (Component-Level)

grabNade holds no certification of its own, and no third-party certification is claimed for this blank.

• Blank: Bella+Canvas 3001, 100% Airlume combed and ring-spun cotton, 142 g/m².
• Printing: Printed on demand by Printful after you order, using water-based DTG inks.

Note: Any slight scent from the fixation agent is normal and disappears after the first wash.
More info: Supplier Certifications

Product Safety (EU / GPSR)

Age restrictions: For adults

EU legal guarantee of conformity: 2 years

Seller: Gabriel Weider EI (trading as grabNade), 320 rue Saint-Honoré, 75001 Paris, France. Contact: support@grabnade.com

Manufacturer and EU responsible person: SINDEN VENTURES LIMITED (Printful group, our print-on-demand production partner), Markou Evgenikou 11, Mesa Geitonia, 4002 Limassol, Cyprus. gpsr@sindenventures.com

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> Featured In

As-Cast Surface Finish: What Ra 50 Really Means

As-Cast Surface Finish: What Ra 50 Really Means

What does an "as-cast" Ra 50 surface finish actually mean on an engineering drawing? It represents the roughest standard finish—raw and unmachined, straight from the...

[ READ ARTICLE ]