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1.7182 27MnCrB5-2 Hardenable Steel

DIN 1.7182 27MnCrB5-2 Hardenable Steel

DIN 1.7182 27MnCrB5-2 Hardenable Steel

1.7182 27MnCrB5-2 Hardenable Steel

1 1.7182 Introduction:

Hot rolled Hardenable Steel has been developed to be hardened, either by heat treatment after workshop processing, or by a direct hot forming & quenching process to get their final properties. Hardenable Steel is a perfect base material for a great variety of products, parts and components, that need extreme hardness, wear resistance, high strength, toughness and resistance to mechanical load. These Hardenable Steel properties after heat treatment ensure longer lifetime and considerable weight reduction. Good forming- bending- welding- and cutting properties enable the manufacturing of complicated structures, components and parts.

2 1.7182 Application:

  • Wear plates
  • Grader blades
  • Track shoes
  • Liner plates
  • Screen plates
  • Crushers
  • Knives
  • Saw blades
  • Spades
  • Hand tools
  • Ploughs
  • Discs for harrows
  • Washers
  • Safety parts and components

3 Quality Standard:

DIN EN 10083 Steel for quenching and tempering Part 3 Technical delivery conditions for alloy steels

4 All Grades Comparison:

Material No. EN
1.7182 27MnCrB5-2

5 Chemical Composition(%):

C Mn Si P S Cr B
0.24-0.30 1.10-1.40 0.40 max 0.035 max 0.035 max 0.30-0.60 0.0008-0.0050

6 Typical Mechanical Properties:

Dia Scope (mm) Thickness Scope (mm) Tensile Strength Rm (Mpa) Yield Strength R2 (Mpa) Elongation (longitudinal direction) Al (%) Area Reduction Z (%) Impact Energy Joules (20°C) (KCV J)
16mm max 8mm max 1000-1250 800 min 14 min 55 min /
16mm-40mm 8mm-20mm 900-1150 750 min 14 min 55 min 60 min
40mm-100mm 20mm-60mm 800-1100 700 min 15 min 55 min 65 min

7 HEAT TREATMENT:

  • Forging or hot rolling:1200 – 850°C
  • Soft annealing:650 – 700°C
  • Normalising:860 – 890°C
  • Hardening:840 – 880°C/water, oil
  • Tempering:400-600°C

8 1.7182 Mill′s test certificate:

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.

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