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Steel grades

Pre-machined steel plates, flame-cut steel plates

Deville Rectification delivers your steel plates, blocks, sheets, flats and bars prepared according to your specifications within 2 to 5 days
This speed of response is guaranteed thanks to an impressive stock of 10 grades of steel and 30 years of cutting and machining experience.
Every day Deville Rectification ships steel parts ranging in thickness from a few mm to 600 mm to mechanical engineering firms, mould makers and tool makers throughout Europe.

Steel blanks cut to size :

  • Sawing, flame cutting up to maximum dimensions of 3000 mm x 13000 mm, with stabilising and annealing if requested

Parts pre-machined after sawing or flame cutting :

  • Edge and face milling : maximum block dimensions 2500 mm x 8000 mm
  • Edge and face grinding : maximum block dimensions 2500 mm x 4200 mm, rotary surface grinding and tangential grinding of the faces possible
  • Other operations : drilling, handling hole making, milling, CNC grinding

GENERAL USE STEEL

Technical data sheets

Product
Plaque
Usual name
S355 J2+N / S355 / St52-3U / E36
State at delivery characteristics

Mechanical properties according to NF EN 10025

  • Structural steel, Low carbon content.
  • Suitable for welding
  • Suitable for flame-cutting
For which uses ?
  • Tool base plates
  • Special machine frame
  • Welded assembly

Comparative properties of the different alloys

UNALLOYED STEEL

Technical data sheets

Product
Plaque Cylindre
Usual name
C45 / XC48 / C45E
State at delivery characteristics
  • Mechanical properties according to NF EN 10083
For which uses ?
  • Structure parts, Mould frames and tools under light stress.
  • Blow moulds. Base plates

Comparative properties of the different alloys

HARDENED AND TEMPERED STEELS FOR MOULDS


Product
Plaque
Usual name
40CrMnMo7
State at delivery characteristics

Hardened and tempered • HB 280 - 325

  • Mould steel, economical machining, good polishing, graining and chromium plating capability.
  • Used for thicknesses below 400 mm.
  • Suitable for nitriding, with surface hardness (0.3 mm) 600 HV/3 Kg minimum
For which uses ?
  • Cavities for compression moulds and thermoplastics injection moulds, large ABS moulded parts, thermoset resins, up to 400 mm thick.


Product
Plaque Cylindre
Usual name
40CrMnMo8-6+S
State at delivery characteristics

Hardened and tempered • HB 280 - 325

  • Mould steel with excellent machinability.
  • Not suitable for polishing, graining and hard chromium plating.
  • Suitable for nitriding, with surface hardness (0.3 mm) 600 HV/3 Kg minimum
For which uses ?
  • Cavities for compression moulds of thermoset resins and
    thermoplastics injection , ABS, SMC.
  • Core parts


Product
Plaque
Usual name
54NCDV6 / 54NiCrMoV6
State at delivery characteristics

Hardened and tempered • HB 355 - 413

  • Mould steel with higher toughness and great compressive strength.
  • Grade with excellent polishability, grain reliable and hard chrome plateable.
  • Suitable for nitriding, with surface hardness (0.3 mm) 600 HV/3 Kg minimum
For which uses ?
  • Cavities for plastic or thermoplastic/thermoset synthetic injection dies


Product
Plaque
Usual name
55NiCrMoV7
State at delivery characteristics

Hardened and tempered • HB 355 - 413

  • Steel, Resistant to hot flow. High impact strength. Grainable.
  • Suitable for mirror polishing and hard chromium plating. High degree of purity.
  • Suitable for nitriding, with surface hardness (0.3 mm) 600 HV/3 Kg minimum
For which uses ?
  • Hot working steel with great capabilities for through hardening.
  • Large-scale cavities, stamping cavities for all kind of press tools.
  • Hydroforming cavities.
  • Deburring plates, tool and chuck brackets, tool cases, folding tools.


Product
Plaque
Usual name
55NiCrMoV7+S
State at delivery characteristics

Hardened and tempered • HB 355 - 413

  • Steel, Resistant to hot flow. High impact strength.
  • Good processibility
For which uses ?
  • Hot working steel with great capabilities for through hardening.
  • Large-scale cavities, stamping cavities for all kind of press tools.
  • Hydroforming cavities.
  • Deburring plates, tool and chuck brackets, tool cases, folding tools.

Comparative properties of the different alloys

TOOL STEELS


Product
Plaque Cylindre
Usual name
Z38CDV5 / X38CrMoV5
State at delivery characteristics

Annealing max. 229 HB

  • Hot working steel, wear resistant. Hardness 50 HRc after hardening and tempering.
  • Good nitriding suitability. High degree of purity.
  • Also usable for large dimensions.
For which uses ?
  • Moulds inserts and moulds for high stress plastic, thermoset resins and compound materials injection


Product
Plaque Cylindre
Usual name
Z160CDV12 / X153CrMoV12
State at delivery characteristics

Annealing max. 255 HB

  • Cold working steel. High wear resistance. Suitable for inserts.
  • Hardness 60-62 HRc. Nitriding possible after special heat treatment.
For which uses ?
  • Blanking tools


Product
Plaque
Usual name
45NCD16 / 45NiCrMo16
State at delivery characteristics

Annealing max. 285 HB

  • Self-hardening steel with great dimensional stability.
  • Very good tenacity. Hardness 45-50 HRc.
For which uses ?
  • Moulds inserts and moulds for high stress plastic, and bright thermoplatics injection.

Comparative properties of the different alloys

STAINLESS CORROSION RESISTANT STEELS (martensitic and austenitic stainless steels)


Product
Plaque
Usual name
X38CrMo16
State at delivery characteristics

Hardened and tempered • HB 269 - 311

  • Steel for moulds with excellent corrosion resistance.
  • Suitable for polishing.
For which uses ?
  • Moulds inserts and large-scale moulds for injection of corrosive plastic, acid precipitating plastics or thermoplastics.


Product
Plaque
Usual name
X33CrS16
State at delivery characteristics

Hardened and tempered • HB 280 - 330

  • Steel for moulds with excellent corrosion resistance.
For which uses ?
  • Moulds inserts and large-scale moulds for injection of corrosive plastic, acid precipitating plastics or thermoplastics.


Product
Plaque
Usual name
State at delivery characteristics

Hardened and tempered • HB 290 - 332

  • Steel for moulds with excellent corrosion resistance.
For which uses ?
  • Moulds inserts and large-scale moulds for injection of corrosive plastic, acid precipitating plastics or thermoplastics.

Technical data sheets

Product
Plaque
Usual name
X5CrNi 18-10 / X2CrNi 18-9 / 304 / 304L
State at delivery characteristics

Max. 215 HB

  • Very Low carbon, great resistance to intergranular corrosion, good weldability, non magnetic.
For which uses ?

Technical data sheets

Product
Plaque
Usual name
X2CrNiMo 17-12-2 / 316 / 316L
State at delivery characteristics

Max. 215 HB

  • Very low carbon, great resistance to intergranular corrosion and to corrosion in a chloride and marine medium.
  • Good weldability, non magnetic.
For which uses ?

Comparative properties of the different alloys

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