Spain · UNE

1.7139

UNE EN 10084

Chemical composition

wt% · log scale
0.010.1110C0.14 – 0.19Cr0.8 – 1.1Mn1 – 1.3P0.025S0.02 – 0.04Si0.4
  • min – max range
  • typical value

Mechanical properties

value range by condition
Tensile strength RmOpen-die and closed-die forgings hardened and tempered 40 < d <= 100 mmTensile strength RmOpen-die and closed-die forgings hardened and tempered 16 < d <= 40 mmTensile strength RmOpen-die and closed-die forgings hardened and tempered d <= 16 mmbars, billets, semi-finished products, flatsHardnessSteel barbars, open die forgings and die forgings +TH, semi-finished products, flatsHardnessSteel barbars, open die forgings and die forgings +N, semi-finished products, flatsHardnessSteel barbars, open die forgings and die forgings +A, semi-finished products, flats

Physical properties

vs. temperature
Mean thermal expansion 10⁻⁶/K
11.1 – 13.9°C

Chemical composition

ElementminmaxSimilarRemarks
C0.140.19Product analysis deviation: +/-0.02%
Cr0.81.1Product analysis deviation: +/-0.05%
Mn11.3Product analysis deviation: +/-0.05%
P0.025Product analysis deviation: +0.005%
S0.020.04Product analysis deviation: +/-0.005%
Si0.4Product analysis deviation: +0.03%

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
bars, billets, semi-finished products, flatsOpen-die and closed-die forgings hardened and tempered 40 < d <= 100 mm;Open-die and closed-die forgings hardened and tempered 16 < d <= 40 mm;Open-die and closed-die forgings hardened and tempered d <= 16 mm
bars, open die forgings and die forgings +TH, semi-finished products, flatsSteel bar HB
bars, open die forgings and die forgings +N, semi-finished products, flatsSteel bar HB
bars, open die forgings and die forgings +A, semi-finished products, flatsSteel bar HB
bars, open die forgings and die forgings, -+FP, semi-finished products, flatsSteel bar HB

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
210.0041.00460.000.167.85

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.86203.000.27–0.30Typical properties for low-carbon, low-alloy steel. These values are not taken from the standard; they are indicative and must not be used for design.

Heat treatment

Type1
Heat-treatment curveHardness-Tempering
Heat-treatment curveCCT
Heat-treatment curveTTT
Heat-treatment curveHardenability

Similar grades

GradeRegionSystem
1.7139ItalyUNI
16 MnCrS 5ItalyUNI
16 MnCrS 5SpainUNE
1.7139RomaniaSTAS
16 MnCrS 5RomaniaSTAS
1.7139SwedenSS
16 MnCrS 5SwedenSS
1.7139SwitzerlandSNV
16 MnCrS 5SwitzerlandSNV
1.7139FinlandSFS
16 MnCrS 5FinlandSFS
1.7139PolandPN
16 MnCrS 5PolandPN
1.7139AustriaONORM
16 MnCrS 5AustriaONORM
1.7139NorwayNS
16 MnCrS 5NorwayNS
1.7139BelgiumNBN
16 MnCrS 5BelgiumNBN
1.7139HungaryMSZ
16 MnCrS 5HungaryMSZ
1.7139Czech RepublicCSN
16 MnCrS 5Czech RepublicCSN
1.7139BulgariaBDS
16 MnCrS 5BulgariaBDS
1.7139United KingdomB.S.
1.7139FranceAFNOR NF
16 MnCrS 5FranceAFNOR NF
16 MnCrS 5GermanyDIN
1.7139GermanyDIN
16 MnCrS 5United KingdomB.S.