20Mn5 (1.0473) is a kind of moderate strength alloy structural steel, 20Mn5 has cold deformation plasticity, good low temperature performance, compared with the corresponding carbon content of steel, 20Mn5 has high hardenability.
20Mn5 Correspond steel:
AISI 1320,1321,NF 20M5,JIS SMn21,GB20Mn2
20Mn5 chemical composition(％):
C: 0.10 ~ 0.22
Si : 0.17 ~ 0.37
Mn: 1.10 ~ 1.70
S: to allow the residual content of ≤0.35
P: allow the residual content ≤0.035
Cr: to allow the residual content of ≤0.30
Ni: to allow the residual content ≤0.30
Cu: to allow the residual content of ≤0.30
20Mn5 Mechanical Properties:
Tensile strength σb (MPa): ≥785 (80)
Yield strength σs (MPa): ≥590 (60)
Elongation δ5 (%): ≥10
Impact energy Akv (J): ≥47
Round bar : Diameter : 1mm-2000mm
Square bar :Size: 50mm * 50mm～600mm *600mm
Plate steel/flat bar :Size: Thickness: 0.1mm～800mm Width: 10mm to 1500mm
Tube/pipe: Size: OD: 6-219mm WT: 1-35 mm.
Cold-rolled sheet: Thickness: 2-5mm Width:1000mm Length: 2000mm
Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm
Length: We can supply any length based on the customer's requirement.
Application:
20Mn5 (1.0473) is used to produce carburizing parts, such as cars, tractors and machine tool manufacturers in the production of carburized pinion, small shaft, low requirements of piston pin, cross pin head, diesel sleeve, valve mandrel, transmission lever, steel covers. In addition, this hot-rolled steel and normalized condition can also be used to manufacture welding parts and screws, nuts and so on.
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