Steel bar, rolled

Steel bar, rolled

High-quality feed material is vital for the quality of the end product. For this purpose, GMH Gruppe supplies rolled steel bar that meets even the automotive sector's ultra-high safety standards.

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Definition

DIN EN 10079 defines steel bar as hot-formed bars which exhibit the same cross-section throughout their length. Within the GMH Gruppe, steel bar provides the basis for high-quality bright steel and, for our customers, a high-quality feed material for excellent end products: rotor and crankshafts, piston rods, pistons and wheel bearings, gear racks, differentials and components for e-mobility.

Production process

In our electric arc furnace (EAF) we produce more than 500 grades of steel from which high-precision rolling lines make steel bar with extreme tolerance accuracy. We precisely adjust the materials properties of the steel bar by means of heat treatment. We also deploy high-performance simulation systems and ultra-accurate analyses to ensure that our steel bar meets even the maximum demands made by motor-vehicle manufacturers and their subsuppliers.

Benefits

Short routes, highly efficient processes: we supply our steel bar quickly, flexibly and reliably – produced with high accuracy and tailored individually to our customers' requirements. GMH Gruppe steel bar is also notable for its good surface quality, tight dimensional tolerances, optimum chemical composition and hardenability, and good micro- and macro-cleanness.

  • Flexible solutions
  • 100% resources recycling
  • Produced to ultra-tight dimensional tolerances

Our range

High-quality steels

There are generally fixed requirements for high-quality steels - concerning tensile strength, yield strength and formability, for example. Alloyed high-quality steels are usually not intended for quenching and tempering or for surface/case hardening. High-grade structural steels should be selected for these purposes.

Typical applications: Structural steels, special sections for automotive and mechanical engineering, structural steel elements

Material No. Name Dimensions Length  
1.0038 S255JR 20-126mm 6-10m Request quotation
1.0301 C10 20-126mm 6-10m Request quotation
1.0401 C15 20-126mm 6-10m Request quotation
1.0570 S355J2 20-126mm 6-10m Request quotation
1.9426 SAE 1027 20-126mm 6-10m Request quotation

in acc. with DIN EN 10060

Calculate the weight of your steel.

To the steel weight calculator

Quenched and tempered steels

Quenched and tempered steels are used for components exposed to high static and dynamic loads. Non-alloy QT steels are selected for more slender dimensions and lower requirements. We supply alloyed QT steels for thicker components and higher specifications.

Typical applications: Steering knuckles, Bolts, Crankshafts, Piston rods, Rotor shafts, Turbine and generator shafts

Material No.  Name Dimensions Length  
1.1133 20Mn5 20-126mm 6-10m Request quotation
1.1191 C45E 20-126mm 6-10m Request quotation
1.1206 C50E 20-126mm 6-10m Request quotation
1.1234 70MnVS4 / 75Mn4 20-126mm 6-10m Request quotation
1.5094 38MnS6 20-126mm 6-10m Request quotation
1.5511 35B2 20-126mm 6-10m Request quotation
1.5531 30MnB5 20-126mm 6-10m Request quotation
1.7038 37CrS4 20-126mm 6-10m Request quotation
1.7182 27MnCrB5-2 20-126mm 6-10m Request quotation
1.7213 25CrMoS4 20-126mm 6-10m Request quotation
1.7225 42CrMo4 20-126mm 6-10m Request quotation
1.7228 50CrMo4 20-126mm 6-10m Request quotation

in acc. with DIN EN 10060

Calculate the weight of your steel.

To the steel weight calculator

Case-hardening steel (gear steel)

Case-hardening steels are used wherever a combination of different properties is needed. This is achieved via the use of steels with a relatively low carbon content. Case-hardening steels are ideal for use in gearing and gearwheel engineering.

Typical applications: Gearing, Couplings/clutches, Shafts Gearwheels

Material No. Name Dimensions Length  
1.5919 15CrNi6 20-126mm 6-10m Request quotation
1.6523 20NiCrMo2-2 20-126mm 6-10m Request quotation
1.6571 20NiCrMoS6-4 20-126mm 6-10m Request quotation
1.6587 18CrNiMo7-6 20-126mm 6-10m Request quotation
1.7016 17Cr3 20-126mm 6-10m Request quotation
1.7121 20CrMnS3-3 20-126mm 6-10m Request quotation
1.7139 16MnCrS5 20-126mm 6-10m Request quotation
1.7147 20MnCr5 20-126mm 6-10m Request quotation
1.7151 27MnCrS5 20-126mm 6-10m Request quotation
1.7160 16MnCrB5 20-126mm 6-10m Request quotation
1.7264 20CrMo5 20-126mm 6-10m Request quotation
1.7323 20MoCrS4 20-126 mm 6-10m Request quotation
1.7325 25MoCr4 20-126mm 6-10m Request quotation
1.8708 20MnCrNiMo6-3 20-126mm 6-10m Request quotation

in acc. with DIN EN 10060

Calculate the weight of your steel.

To the steel weight calculator

Ball and roller bearing steels

Ball and roller bearing steel has uniform high hardness, good wear properties and good cleanness. Ball and roller bearing steels are therefore used for their resistance to the high cyclical loads and high surface pressures to which rolling-element bearings are exposed during service.

Typical applications: Ball bearings, Needle bearings, Roller bearings

Material No. Name Dimensions Length  
1.3505 100Cr6 20-126mm 6-10m Request quotation
1.3520 100CrMnSi6-4 20-126mm 6-10m Request quotation
1.3536 100CrMo7-3 20-126mm 6-10m Request quotation
1.3537 100CrMo7-3 20-126mm 6-10m Request quotation
1.3539 100CrMnMoSi8-4-6 20-126mm 6-10m Request quotation
1.3533 18NiCrMo14-6 20-126mm 6-10m Request quotation
1.6587 18CrNiMo7-6 20-126mm 6-10m Request quotation
1.1219 C56E2 20-126mm 6-10m Request quotation
1.1244 70Mn4 20-126mm 6-10m Request quotation

in acc. with DIN EN 10060

Calculate the weight of your steel.

To the steel weight calculator

Micro-alloyed steels

Micro-alloyed precipitation-hardening ferritic-pearlitic (PHFP) steels are used in components in which the required mechanical properties are achieved by means of controlled cooling from the hot-forming temperature. High-cost heat treatment after hot forming can therefore be eliminated, reducing costs significantly.

Typical applications: Pistons, Crankshafts, Piston rods

Material No. Name Dimensions Length  
1.0603 C70S6 /C67 20-126mm 6-10m Request quotation
1.1197 25MnV5 20-126mm 6-10m Request quotation
1.1199 49MnVS3 20-126mm 6-10m Request quotation
1.1243 70MnVS4 / 75Mn4 20-126mm 6-10m Request quotation
1.1304 46MnVS6 20-126mm 6-10m Request quotation
1.5217 20MnV6 20-126mm 6-10m Request quotation
1.5231 38MnSiVS5 20-126mm 6-10m Request quotation
1.5232 27MnSiVS6 20-126mm 6-10m Request quotation

in acc. with DIN EN 10060

Calculate the weight of your steel.

To the steel weight calculator

Chain steel

Chain steels are non-alloyed high-quality steels or alloyed high-grade structural steels which, thanks to their high strain and weldability properties, are especially suitable for welded round-link chains. Non-alloyed chain steels are usually not heat treated. Alloyed steels are supplied soft or spheroidising annealed and are quenched and tempered after working.

Typical applications: Mining chains, Offshore sector, Ship's chains

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Material No. Name Dimensions Length  
1.0208 RSt 35-2 20-126mm 6-10m Request quotation
1.0468 15Mn3 Al 20-126mm 6-10m Request quotation
1.0470 21Mn4 Al 20-126mm 6-10m Request quotation
1.0495 21Mn5 20-126mm 6-10m Request quotation
1.0412 27MnSi5 20-126mm 6-10m Request quotation
1.6522 20NiCrMo2 20-126mm 6-10m Request quotation
1.6527 20NiCrMo3 20-126mm 6-10m Request quotation
1.6541 23MnNiCrMo5-2 20-126mm 6-10m Request quotation
1.6540 23MnNiCrMo5-3 20-126mm 6-10m Request quotation
1.6758 23MnNiMoCr5-4 20-126mm 6-10m Request quotation

in acc. with DIN EN 10060

Calculate the weight of your steel.

To the steel weight calculator

Nitriding steels

Nitriding steels are the material of choice for the producion of components required to possess a highly wear-resistant, case-hardened surface. The nitriding heat-treatment takes place after the components have been quenched and tempered and machined. Nitriding steels contain specific amounts of at least two of the nitride-forming elements aluminium, chromium, molybdenum and vanadium to generate the desired surface hardness.

Material No. Name Dimensions Length  
1.8519 31CrMoV9 20-126 mm 6-10 m Request quotation
1.8550 34CrAlNi7-4 20-126 mm 6-10 m Request quotation

in acc. with DIN EN 10060

Calculate the weight of your steel.

To the steel weight calculator

Are you looking for other materials, formats or lengths? Just contact us - together we'll find the right solution!

Heat treatment

  • Treated to hardness range (+TH)
  • Normalising annealed (+N)
  • Treated for sawability (SAW)
  • Treated for special microstructure (+FP)
  • Spheroidising annealed (+AC)
  • Treated for shearability (+S)
  • Quenched and tempered (water or air hardening) (+QT)
  • Soft annealed (+A)
  • Stress-relief annealed (+SR)

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Contact

Sebastian Kling

Head of Rolled Products