Perforated sheets, gratings and sheet metal from Europe's largest perforated sheet warehouse, with cutting and further processing from a minimum of 1 piece
JAERA Radtke und Jänisch GmbH + Co. KG
Hannover-Laatzen (headquarters, warehouse and cutting center)New on Amplifa
About JAERA
JAERA is a family-run wholesaler for perforated sheets, gratings and structural sheets, founded in Hannover in 1982 and now in its second generation. The company operates a warehouse of around 4,000 m² in Hannover-Laatzen with more than 250,000 perforated sheets in over 1,400 variants, as well as grating products such as expanded metal, corrugated, welded, perforated and wire mesh gratings. Deliveries are made in steel, hot-dip galvanized steel, stainless steel (including 1.4301, 1.4404, 1.4541, 1.4571), aluminium (AL99,5, ALMG3), brass and copper. In the company's own cutting center, cut-to-size panels up to 3,000 mm are produced; furthermore, folding, notching, deburring, grinding, degreasing, hot-dip galvanizing, anodizing, powder coating and contract punching are offered. Distribution takes place without minimum order quantities from 1 piece, with standard lead times of 1–3 working days via contracted forwarding agents. Customers come from metal processing, construction, mechanical engineering and trade in Germany and Europe.
- Site
- Laatzen
- Processes
- Perforated sheet production (punching/perforating, DIN 24041), Cut-to-size (cutting), Folding (bending), Notching, Deburring, Hot-dip galvanizing, Degreasing, Grinding
- Materials
- Bare steel, Hot-dip galvanized base material, Steel subsequently hot-dip galvanized, Stainless steel 1.4301, Stainless steel 1.4404, Stainless steel 1.4541, Stainless steel 1.4571, Stainless steel 1.4828
- Founded
- 1982
- Industries
- Metal processing, Construction, Mechanical engineering, Trade
- 01
Warehousing of perforated sheets, gratings and sheet metal
- 02
Consultation and quotation (processing within a few minutes)
- 03
Further processing: cutting, folding, punching, surface treatment
- 04
Shipping via contracted forwarding agents (standard lead time 1–3 working days)
Locations
Hannover-Laatzen
DEHeadquarters, warehouse (approx. 4,000 m²) and cutting center
- Lot size
- from 1 piece, no minimum quantities
- Materials
- Steel, hot-dip galvanized steel, stainless steel, aluminium, brass, copper
- Cutting center (cut-to-size up to 3,000 mm)
Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Perforated sheet production (punching/perforating, DIN 24041)Forming | – | 3000 mm × 1500 mm | – | 1 piece | Bare steel, Steel subsequently hot-dip galvanized, Hot-dip galvanized base material, Aluminium AL99,5, Aluminium ALMG3, Stainless steel 1.4301, Stainless steel 1.4404, Stainless steel 1.4541, Stainless steel 1.4571, Stainless steel 1.4828, Brass, Copper |
| Cut-to-size (cutting)Machining | – | 3000 mm | – | 1 piece | Steel, Aluminium, Stainless steel, Hot-dip galvanized base material |
| Folding (bending)Forming | – | – | – | 1 piece | Steel, Aluminium, Stainless steel |
| NotchingMachining | – | – | – | 1 piece | Steel, Aluminium, Stainless steel |
| DeburringSurface | – | – | – | 1 piece | Steel, Aluminium, Stainless steel |
| Hot-dip galvanizingSurface | – | – | – | – | Steel |
| DegreasingSurface | – | – | – | – | Steel, Aluminium, Stainless steel |
| GrindingSurface | – | – | – | – | Steel, Stainless steel, Aluminium |
| AnodizingSurface | – | – | – | – | Aluminium |
| Powder coatingSurface | – | – | – | – | Steel, Aluminium |
| Edging with edging profilesAssembly | – | – | – | – | Steel, Aluminium |
| Contract punching of sheetsForming | – | – | – | – | Steel, Stainless steel, Aluminium, Brass, Copper |
| Supply of expanded metalForming | – | – | – | 1 piece | Bare steel, Hot-dip galvanized base material, Stainless steel |
| Supply of welded gratingJoining | – | – | – | 1 piece | Bare steel, Stainless steel 1.4301 |
| Supply of corrugated gratingForming | – | – | – | – | Steel, Stainless steel, Aluminium |
| Supply of perforated gratingForming | – | – | – | – | Steel |
| Supply of wire mesh/wire grating in rollsForming | – | – | – | – | Steel, Stainless steel, Aluminium |
| Supply of structural sheets, tread sheets, dimple sheetsForming | – | – | – | – | Steel, Aluminium, Stainless steel |
| Supply of pattern-rolled sheets and plain sheetsForming | – | – | – | – | Stainless steel 1.4301, Stainless steel |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Cutting center | – | 1 | Cut-to-size up to 3000 mm | 2006 | Hannover/Laatzen |
Additional services
History
- 1982
Founded on 1.2.1982 by Peter Radtke and Michael Jänisch in Hannover (Bachstraße) with approx. 250 m² of warehouse; distribution of perforated sheets, filter tubes, grease filter elements and steel cabinets.
- 1984
Move to a larger warehouse in Hannover (An der Weide), approx. 1,000 m²; specialization in perforated sheets and expanded metal.
- 1988
Hiring of the first employees.
- 1990
Acquisition of the first company-owned truck.
- 1992
Move to Hannover-Laatzen, warehouse approx. 4,000 m²; Europe's largest perforated sheet warehouse.
- 1998
Europe-wide distribution, waiver of minimum order quantities.
- 2000
Introduction of field sales service.
- 2002
Full utilization of the entire warehouse capacity of around 4,000 m².
- 2003
Product range expansion (perforated sheets, structural sheets, gratings, accessories).
- 2006
Opening of the company's own cutting center; cut-to-size panels up to 3,000 mm within 1–2 working days.
- 2007
25th company anniversary.
- 2009
Abolition of the company's own vehicle fleet; delivery via third-party forwarding agents, standard lead times 1–2 working days.
- 2010
Product range expansion to include tread sheets and dimple sheets.
- 2011
Generational change: Michael Radtke and Oliver Jänisch take over the management.
- 2013
Introduction of a modern ERP system.
- 2016
Product range expansion to include stainless steel plain sheets and pattern-rolled sheets.
- 2018
Introduction of the complete service with anti-slip sheets.