Industries: who we manufacture for
As a certified contract manufacturer for steel fabrication and special machinery, we have been supplying demanding industrial sectors since 1963 — with welded assemblies and large components up to 50 t to DIN EN 1090-2 EXC3, complete from a single source in Lorch in the Stuttgart region.
From machine building to hydraulic steel structures — demanding industrial sectors supplied from a single source.
Heavy welded assemblies and large components up to 50 t part weight and 26 m in length.
Certified welding company to DIN EN 1090-2 EXC3 and EN ISO 3834-2.
Over 40 processed material grades — structural steel, wear-resistant steel, stainless steel, pressure vessel steel.
CNC large-part machining — gantry milling up to 26 m, vertical turning up to Ø 4,800 mm.
63 years of experience, 100+ specialists, 14,000 m² of production space in Lorch.
Your steel fabrication supplier — across all industries
As a certified contract manufacturer, Bock Maschinenbau produces welded and machined steel components for a broad range of industrial sectors. Whether machine frame, crane girder, pressure vessel or lock gate — we combine cutting, forming, welding, CNC large-part machining, surface finishing and assembly under one roof.
The same applies to every industry — traceable quality to DIN EN 1090-2 EXC3, predominantly European quality steels with a 3.1 mill certificate to EN 10204 and heavy components up to 50 t, delivered on time and complete from Lorch in the Stuttgart region.
Every industry places different demands on material, weld quality and documentation. Below you will therefore find a dedicated page for each industry with typical components, suitable materials and the manufacturing processes behind them — from the flame-cut blank to industrial painting.
Our industries at a glance
From machine tool manufacturing to hydraulic steel structures — 15 industries, one manufacturing partner:
Machine tool & press manufacturing
Machine frames, welded frames, milling frames and press tables — welded, stress-relieved and finish-machined.
Machinery & special machine building
Special machinery assemblies, gearbox housings, ring gears and flywheels — manufactured complete to drawing.
Crane & lifting technology
Crane bridges, crane girders, lifting beams and rope drums — load-bearing heavy-duty steel components up to 50 t to EN 1090-2 EXC3.
Construction machinery & building materials
Components for construction machinery, mixers and processing plant in wear-resistant steel.
Vehicle & transport engineering
Frames, booms, special bodies, transport racks and chassis steelwork in high-strength fine-grain and wear-resistant steel.
Foundation engineering & drilling
Kelly bars, drill rods, leaders and drilling tools for piling and rotary drilling rigs — welded and machined to drawing.
Plant, apparatus & vessel construction
Vessels, heat exchangers, rotary kilns and pressure vessels to AD 2000 — welded, turned, coated.
Conveying & recycling technology
Screw conveyors, crusher plant components, screening plants and wear plates in wear-resistant steel.
Energy & power plant engineering
Support structures, frames and housings in large dimensions for energy and power plant engineering.
Pipeline, offshore & marine engineering
Flanges, pipe segments and offshore or special containers to EN 1090-2 EXC3.
Infrastructure, bridge & tunnel construction
Truss girders, cross members and load-bearing steel structures for infrastructure and bridge construction projects.
Test rigs & testing technology
Test rigs, vibration frames and heavy machine base frames with high stiffness and dimensional accuracy.
Materials handling, ports & logistics
Container handling equipment, racking and storage systems as well as components for port and rail logistics.
Hydraulic steel structures & water engineering
Lock gates, fish-belly flap gates, weir flaps and dolphins — heavy hydraulic steel structures with corrosion protection to EN ISO 12944.
Plastics technology
Machine frames, conveying equipment and silos for granulate, enclosures and wear parts in wear-resistant steel — steel fabrication for plastics processing.
Your industry not listed? As a contract manufacturer we work to your drawing — get in touch.
A different industry, the same depth of manufacturing.
Why Bock as your supplier
What customers from every industry value about Bock:
- All from a single source
- From the steel plate to the painted, ready-to-install component — without external interfaces.
- Heavy loads up to 50 t
- Crane system 25 t, gantry milling up to 26 m and vertical turning up to Ø 4,800 mm for genuinely large components.
- Certified welding quality
- DIN EN 1090-2 EXC3, EN ISO 3834-2 and non-destructive testing (VT/PT/MT) Level 2 in-house, UT at our plant by our cooperation partner.
- Material expertise
- Over 40 grades — from structural steel through wear-resistant steel to pressure vessel steel to AD 2000, from our own stock.
- Single part to small series
- Contract manufacturing with no minimum quantities — from the prototype to the recurring small series.
Quality that every industry can verify
Whether crane girder, pressure vessel or lock gate — every industry requires reliable documentation. Bock is certified to DIN EN 1090-2 EXC3, the highest execution class certified in practice for load-bearing steel components, and to EN ISO 3834-2 for comprehensive welding quality. For vessel and apparatus construction, approval to AD 2000 HP 0 is added; material re-stamping to EN 10204 is authorised by GSI SLV München.
Non-destructive testing in-house
Inspection before it leaves the plant — with our own certified inspection personnel:
- Visual testing (VT), dye penetrant testing (PT) and magnetic particle testing (MT) are carried out in-house by our own Level 2 inspectors to DIN EN ISO 9712. Ultrasonic testing (UT) is carried out at our plant on a project basis by certified inspection personnel of our cooperation partner.
- Supplementary tests such as tensile tests or notched-bar impact tests are arranged through accredited partner laboratories.
Inspection scope and documentation follow your drawing, the standard and the industry — from a simple inspection report to complete weld and material documentation with a 3.1 mill certificate.
Frequently asked questions about our industries
Which industries does Bock Maschinenbau manufacture for?
Bock supplies machine tool and press manufacturing, special machinery and plant engineering, crane and lifting technology, the construction and building materials industry, vehicle and transport engineering, foundation engineering, apparatus and vessel construction, conveying technology, energy engineering, pipeline and offshore construction, infrastructure and bridge construction as well as hydraulic steel structures, among others — as a contract manufacturer certified to DIN EN 1090-2 EXC3.
Up to what weight and size does Bock manufacture?
We manufacture welded assemblies and large components up to 50 t part weight and up to 26 m in length. CNC large-part machining covers gantry milling up to 26 m of travel and vertical turning up to Ø 4,800 mm.
How does an enquiry work?
You send us your drawings — as PDF, STEP or DXF. We assess feasibility, material availability and lead time and prepare a no-obligation quote. Once the order is placed, we manufacture entirely in-house, on request including inspection documentation and a 3.1 mill certificate to EN 10204.
Does Bock also manufacture single parts?
Yes. As a contract manufacturer we work with no minimum quantities — from the single prototype through the spare part to drawing to the recurring small series. Industry-specific special components in particular are often produced here as one-offs.
Can customer-supplied components also be machined?
Yes. Castings and welded structures supplied by the customer are finish-machined by us — on our CNC large-part machining centres to drawing.
From which region does Bock Maschinenbau deliver?
The Lorch site (Ostalbkreis) is located in the Stuttgart region. We deliver throughout Germany, Austria, Switzerland and Europe — our in-house production and the location on the B29 make deliveries beyond the region plannable as well.
Your industry, your component — shall we talk?
Send us your drawings — we will assess feasibility and provide a no-obligation quote.
Certified to DIN EN 1090-2 EXC3 · 3.1 mill certificate to EN 10204.