+49 (0) 2131 709-0 info@rosenberger-gmbh.com

Benefit from our expertise and our passion for steel!

Our products and services

Benefit from our expertise and our passion for steel!

Our products and services

Benefit from our expertise and our passion for steel!

Our products and services

Benefit from our expertise and our passion for steel!

Our products and services

Benefit from our expertise and our passion for steel!

Our products and services

Benefit from our expertise and our passion for steel!

Our products and services

Benefit from our expertise and our passion for steel!

Our products and services

Benefit from our expertise and our passion for steel!

Our products and services

Our delivery range:

You will find an extensive warehouse with an average of 35000 t of stock in plats widths up to 4300 mm and item weights up to 40000 kg.

Our products and services

Flame-cut parts

Counterweight slabs, welded counterweights, ship keels

Display trays

Trade

Tests (US, MT, UT, VT ...)

Heat treatments, welding

Blasting, priming, painting

Straightening (1200 t)

Third-party approvals

Project support

All services and products offered also as wage labor

Our stock

Our stock:

Our extensive warehouse stock ensures:

Fast availability

Custom-fit solution

On-schedule delivery

From an average of 35,000 t of slabs and plates, you can choose from various steel grades, plate widths up to 4300 mm and item weights up to 40,000 kg.

Flame-cuts

Flame-cut blanks:

Whether rectangles, rings, circular blanks or shaped parts according to drawings, flame-cut in one or more planes, with or without bevels – we flame-cut individually according to your requirements:

Material thicknesses from 3 up to 1000 mm and item weights over 40 t are no problem.

We cut with oxy-fuel, plasma and laser equipment.

Components

Components:

We supply components of various types, complexity and size. If desired, ready painted and immediately ready for your use.

You wish - we do it

bevels

rings, shaped parts

complex forms

shaped part

seamless rolled ring

shaped parts

shaped parts

Counterweights

Counterweights

In our range of heavy plates or slabs, you can find weight components and weights in sizes from 5 to 45,000 kg. We supply everything that needs to be heavy and compact. Our counterweights – also available for rent – cover a wide range:

Weights for motors with the required acceptances

Weights for automotive cranes with lugs, holes and stacking aids

Test weights, welded with exact weight specifications (weighing at the welding station)

Ballast material, without quality requirements also as additional weight for concrete weights

Filled weights with exact center of gravity

Weights for bridges and locks in complex shapes including pre-stacking at our premises

Base plates for vibration damping

Talk to us, we will find a solution together for all weight problems!

Welded structures

Welded structures

Welded components of various types, complexity and size.

System solutions in steel and general engineering, special machines and materials handling technology are just as much our discipline as the contract manufacturing of welded components and comprehensive services related to welding technology.

Additional Service

Project support by experienced welding engineer

You wish - we do it

Operations

Tests

We offer the following tests by our own employees certified in level 2 and level 3 according to DIN 9712 (formerly DIN 473):

Ultrasonic test

Magnetic powder test

Dye penetration test

Spectral analyses

Strength test

Roughness test

certificates

Certificates, test certificates and third-party approvals

Test certificates

2.1 Factory certificate

2.2 Factory certificate

3.1 Acceptance test certificate

3.2 Acceptance test certificate

Ultrasonic test certificate

Restamping certificate

Third-party approvals

External acceptance by external accredited classification societies (GL, BV, ABS, DNV etc.)

Rosenberger GmbH is in constant contact with the various classification societies such as ABS, BV, CCS, DNV, GL, RS, LRS, TÜV.

This allows our (your) products to be easily and quickly tested and certified by these classification societies.

Material testing by independent testing institutes (GLP, GMA)

Qualities

Available steel grades

Unalloyed structural steels according to EN 10025-2

Fine-grained steels for pressure vessels according to EN 10028-3

Tempering steels according to EN 10083-2 or 10083-3

High-strength fine-grained steels according to EN 10025-6

Unalloyed creep-resistant steels according to EN 10028-2

Pressure vessel steels according to ASTM

Slabs

OUR STEEL GRADES IN DETAIL

Unalloyed structural steels according to DIN EN 10025-2

DIN abbreviation (old): S235JRG2, DIN abbreviation (new): S235JR, material no .: 1.0038

DIN abbreviation (old): S235J2G3, DIN abbreviation (new): J2+N, material no .: 1.0117+N

DIN abbreviation (old): S275JR, DIN abbreviation (new): S275JR, material no .: 1.0044

DIN abbreviation (old): S275J2G3, DIN abbreviation (new): S275J2+N, material no .: 1.0145+N

DIN abbreviation (old): S355JR, DIN abbreviation (new): S355JR, material no .: 1.0045

DIN abbreviation (old): S355J0, DIN abbreviation (new): S355J0, material no .: 1.0553

DIN abbreviation (old): S355J2G3, DIN abbreviation (new): S355J2+N, material no .: 1.0577+N

High-strength fine-grained steels according to EN 10025-6

DIN abbreviation (new): S690QL, material no .: 1.8928

DIN abbreviation (new): S690QL1, material no .: 1.8988

Fine-grained steels for pressure vessels according to EN 10028-3

DIN abbreviation (new): P275NH, material no .: 1.0487

DIN abbreviation (new): P275NL1, material no .: 1.0488

DIN abbreviation (new): P275NL2, material no .: 1.1104

DIN abbreviation (new): P355NH, material no .: 1.0565

DIN abbreviation (new): P355NL1, material no .: 1.0566

DIN abbreviation (new): P355NL2, material no .: 1.1106

DIN abbreviation (new): P460NH, material no .: 1.8935

DIN abbreviation (new): P460NL1, material no .: 1.8915

DIN abbreviation (new): P460NL2, material no .: 1.8918

Tempering steels according to EN 10083-2 or 10083-3

DIN abbreviation (new): C45E, material no .: 1.1191

DIN abbreviation (new): 42CrMo4, material no .: 1.7225

Unalloyed creep-resistant steels according to EN 10028-2

DIN abbreviation (new): P265GH, material no .: 1.0425

DIN abbreviation (new): P355GH, material no .: 1.0473

Pressure vessel steels according to ASTM

SA516grade60

SA516grade70

 

Slabs

II A material

Special Offers

Special Offers

Delivery of precisely fitting floor plates

Loan plates for laying out

Loan weights according to customer requirements

Direct-labor services

– Cutting

– Straightening

– Check

– Storage

Service: Calculation aids

Rosenberger is at your side:

Do you have questions about the calculation? We will help you.

Flame-cutting tolerances

Weight calculation

etc.