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Metal and Metal processing

Supplier requirements for metal and metal processing like milling parts and casting parts, springs, stamping parts and more.

Verschiedene Metallgegenstände, wie z.B. Flansche, Spulen,.. auf weißem Hintergrund

Milling part

  • Easy to complex parts
  • High quantity of variants
  • Used materials: brass, bronze, aluminium or stainless steel
  • Produces out of bar and flat material, cast material, forged material
  • 1 to 100.000 pieces
  • Surface treatment: nickel-plated, passivized, electro polished, black anodized, powder-coated

Casting parts

  • Used materials: bronze, aluminium cast, grey cast iron and gunmetal
  • 1 to 20.000 pieces
  • Part weight: 5 g to 12 Kg
  • Surface treatment: passivized, electro polished, black anodized, powder-coated

Special Requirements / Certificates

  • Partially with 100%-leak test
  • Normally the parts have to deliver with 2.2 respectively 3.1-certificate
  • Materials according to drinking water approval DIN 50930-6

Stamping parts

  • E.g. pins, pin terminal, grounding conductor, further electrical components, discs, coil flux guide
  • Easy to complex stamping parts and stamping and bending parts
  • Riveted single metal sheets up to punch-packed parts
  • Used materials are electric strip, cold rolled strip, brass-, bronze or stainless steel strip
  • 5.000 to 1.000.000 pieces
  • Surface treatment: silver-plated, nickel-plated and zinc-plated


  • Compression and tension spring
  • Cylinder-, conical-, disk springs and also wire bending parts
  • Different types of spring ends (closed and grinded, closed)
  • Wire diameter from 0,1 - 15 mm
  • Spring steels (after DIN EN 10270 Teil1): SH, FDSiCr, VDSiCr and 1.4310
  • 100 to 500.000 pieces
  • Surface treatment: oiled, oiled and phosphated, Delta Tone, mechanical zinced

Tubes and Fittings

  • Tubes after DIN 11850 line 1, 2 and 3 and DIN 11866 line A, B and C
  • Clamps + fittings after DIN 32676 line A, B and C and ASME BPE
  • Flanges
  • Tube forming parts / tube forming like e.g. hydroforming
  • Material: 1.4305, 1.4404 und 1.4435
  • Small to middle quantities
  • Surface treatment: metallic bright, electro polished

        Special requirements / certificates

  • Sometimes we need the 1.4435 material with ASME BPE and BN2 contented in the 3.1 certificate.

Deep-drawn parts

  • Mostly very complex deep-drawn parts, difficult drawing rate
  • Mostly very thin wall thicknesses 0,1 - 0,5 mm
  • Small tolerances
  • 50.000 to 1.000.000 pieces
  • Mostly stainless steel (1.4303, 1.4404)

Surface treatments (metal parts)

  • Electro polishing, mechanical polishing, coatings (for example PTFE, powder coating), nickel-plating, heat treatment, tempering
  • Parts will be sent to you in advance
  • Mostly small lot sizes

        Special requirements / certificates

  • Electro polishing with inside cathode