Kelatie 2A, 01450 VantaaMon–Fri 08:00–16:00
Home › About us
Company

Steel solutions without compromise

KJ-Steel Oy takes steel projects from drawing to finished part in its own workshop – quickly and with no middlemen. Our experienced team delivers precise work that lasts and meets every spec.

VantaaLocation
EN 1090Certified
1000+Projects
< 24 hResponse

Steel structure professionals

KJ-Steel Oy is a metalworking company in Vantaa, Finland, offering complete services from design to installation. Our workshop is equipped with modern machinery for MIG/MAG and TIG welding, CNC machining and assembly. Our team consists of experienced welders, metalworking professionals and specialists.

We provide solutions for construction, industrial and renovation projects, and our complete service ensures a smooth process and a reliable result. Our central location allows fast deliveries across Finland, and our partner network supports us in larger projects.

Speed is a principle for us. Because cutting, bending and welding are done in our own workshop, decisions are made fast and your parts do not wait in other queues. Cut and bent parts are delivered starting from 2 working days after the order.

Survey→Design→Manufacturing→Delivery
MIG/MAG and TIG weldingCNC laserCNC bending3D printingWelding robot

Machines and capacity

  • Laser 2500 × 6000 mm, steel 40 mm
  • Tube laser 7.5 m, profile 230 × 230 mm
  • Plasma and flame 2500 × 12 000 mm, up to 160 mm
  • Press brake 220 t, length 3100 mm
Metallityö ja hitsaus✓ EN 1090 Certified

Quality and certificates

  • EN 1090 certified
  • CE marking EXC1–EXC2
  • EN ISO 3834-3 welding
  • Documented quality control
View certificates →
Key people

Contact us directly

KJ
Konstantin JasnovManaging Director
MV
Martti VirtanenEstimating engineer – quotes and drawings
✆WhatsApp
Send a drawing☎