20MnB5 1.5530 Steel Quenched and Tempered Slip On Plate Flange and Steel Forged Flange
Product Summary
20MnB5 Slip On Plate Flanges (1.5530) are alloy special steel with boron flanges, manufactured to EN 10083-3 standards. These steel forged flanges offer tensile strength up to 1050 MPa and yield strength up to 700 MPa, providing excellent durability and mechanical performance for demanding industrial applications.
Product Details
Highlight:
Forged Slip On Plate Flanges
,1.5530 Slip On Plate Flanges
,20MnB5 Slip On Plate Flanges
Material:
20MnB5
Steel Number:
1.5530
Flange:
Steel Forged Flanges
Type:
Steel Slip On Plate Flanges
Product Description
20MnB5 Slip On Plate Flanges 1.5530 Steel Forged Plate Flanges
Material Specifications
| Grade | 20MnB5 |
| Number | 1.5530 |
| Classification | Alloy special steel with boron |
| Standard | EN 10083-3:2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels |
Chemical Composition (%) - EN 10083-3-2006
| C | Si | Mn | P | S | B |
|---|---|---|---|---|---|
| 0.17 - 0.23 | max 0.4 | 1.1 - 1.4 | max 0.025 | max 0.035 | 0.0008 - 0.005 |
Mechanical Properties
Tensile Strength (Rm) - MPa (+QT)
| Nominal Diameter (mm) | to 16 | 16 - 40 |
|---|---|---|
| Rm | 900-1050 | 750-900 |
Yield Strength (Re/Rp0.2) - MPa (+QT)
| Nominal Diameter/Thickness (mm) | to 16 | 16 - 40 |
|---|---|---|
| Re/Rp0.2 | 700 | 600 |
Elongation (A) - % (+QT)
| Nominal Thickness (mm) | to 16 | 16 - 40 |
|---|---|---|
| A | 14 | 15 |
Reduction in Cross Section (Z) - % (+QT)
| Nominal Diameter/Thickness (mm) | to 16 | 16 - 40 |
|---|---|---|
| Z | 55 | 55 |
Equivalent Grades
| EU EN | Germany DIN, WNr | France AFNOR | England BS |
|---|---|---|---|
| 20MnB5 | 19MnB4 | 20MB5 | 170H20 |
Property Definitions
- ReH - Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d'elasticite minimale
- Rm - Tensile strength / Zugfestigkeit / Resistance a la traction
- A - Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
- J - Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc
Heat Treatment Conditions
| +A | Soft annealed | +P | Precipitation hardened |
| +AC | Annealed to achieve spheroidization of the carbides | +PE | Peeled |
| +AR | As rolled | +QA | Air quenched and tempered |
| +AT | Solution annealed | +QL | Liquid quenched and tempered |
| +C | Cold drawn / hard | +QT | Quenched and tempered |
| +CR | Cold rolled | +S | Treated to improve shearability |
| +FP | Treated to ferrite-pearlite structure and hardness range | +SH | As rolled and turned |
| +I | Isothermal annealing | +SR | Cold drawn and stress relieved |
| +LC | Cold drawn / soft | +T | Tempered |
| +M | Thermo mechanical rolling | +TH | Treated to hardness range |
| +N | Normalized | +WW | Warm worked |
| +NT | Normalized and tempered | +U | Untreated |
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