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St 1420/1570 | 1.8863 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country VDA 231-106 classification
1.8863 (DIN 4227 : 1988-07) St 1420/1570 1.8863 DIN 4227 : 1988-07 DIN 4227 : 1988 replaced by DIN 1045-1 : 2001-07 Replaced Germany 1.1.1 1)
1) Remark: The prestressing steel St 1420/1570 is a quenched and tempered steel and will made as smooth or ribbed wire in the diameter area from 6 to 14 mm. It has a low relaxation, high toughness also at low temperatures and a good strength at high temperatures in the case of fire. Application: - round wire, smooth for bundle prestressing systems in the structural engineering, industry engineering and bridge building - round wire, ribbed for prestressing with direct bond (pre-fabricated parts), bundled anchors (ground and rock anchors) For prestressed concrete pre-finished wires are deliverable. The prestressed concrete St 1420/1570 ist zugelassen durch: Institut für Bautechnik Deutsche Bahn, Bescheid über Spannbetonschwellen ISO/DIS 6934-3. Prestressed steels have to be stored dry because of corrosion. Mechanical damages have to be avoided. Standards comparison: Sweden: SIS 1757-05 Great Britain: BS 2691, BS 5896 USA: ASTM-A 421, ASTM-A 648 Russia: GOST 8480

Chemical Composition

C [%] Mn [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength [MPa] Elongation A10 [%]
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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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Linear-elastic

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

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

Designation Material number Source
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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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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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