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Material Description

Material Number Material Name Material Number (single) Standard Standard Status Country VDA 231-106 classification
1.5528 (Stahl-Eisen-Liste : 2003) 22MnB5 1.5528 Stahl-Eisen-Liste : 2003 Valid Germany 1.1.1 1)
1) Remark: The 22MnB5 is a cold-rolled boron-alloyed tempered steel which combines good hot and cold forming characteristics and high yield strength. It is suitable for highly complex components, offers excellent deep-draw properties, allows the production of light-weight components, is available with scale-resistant coating on request and can be processed by all standard welding methods. The material is not only used for supporting components in motor vehicles, but also for vital safety components such as lateral impact protection, door sills, and the A and B pillars. The so-called invasion protection elements, which form a vital barrier in lateral impact crashes between the outer shell and the passenger cabin, are made of this tempered steel. With appropriate scale-resistant coating, 22MnB5 is also used to produce elements such as the tunnel, floor members and frame bulkheads.

Chemical Composition

Al [%] B [%] C [%] Cr [%] Mn [%] P [%] S [%] Si [%] Ti [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A80 [%]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
A70204 China GB/T 6478
ML20B China GB/T 6478

Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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