European Union · EN

X 4 CrNiMo 16 5 1

EN 4629:2007 — EN 4629

Chemical composition

ElementminmaxSimilarRemarks
C0.06
Cr1517
Mn1.5
Mo0.81.5
N0.02
Ni46
P0.03
S0.005
Si0.7

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Forging stock, quenched and tempered, <= 300 mm≥700900–1050≥16≥70 Charpy V Notch(-40°C);≥120 Charpy V Notch(20°C)HB 269–331
Forging stock, quenched and tempered, <= 300 mm, -≥700900–1050≥12≥35 Charpy V Notch(-40°C);≥60 Charpy V Notch(20°C)HB 269–331
Forging stock, , <= 300 mmHB ≥293

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
200.0015.00430.000.807.70

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.61–8.10190.00–215.000.27–0.30不锈钢的典型材料性能数值,此值不来源于标准,它是指示性指标,不能被用于设计用途。
7.86190.00–210.000.27–0.30低碳,高合金钢材料性能属性数值,此值不来源于标准,它是指示性指标,不能被用于设计用途。

High/low temperature

Impact energy Kv/Ku (J)
ConditionTemperature ℃minRemarks
Forging stock quenched and tempered <= 300 mm --4035Charpy V Notch
Forging stock quenched and tempered <= 300 mm ( longitudinal )-4070Charpy V Notch

Similar grades

GradeRegionSystem
4418-431-77-EInternational standardISO
FE-WM 3504European UnionEN
FE-PM 3504European UnionEN
1.4418ItalyUNI
X 4 CrNiMo 16 5 1ItalyUNI
1.4418SpainUNE
X 4 CrNiMo 16 5 1SpainUNE
1.4418RomaniaSTAS
X 4 CrNiMo 16 5 1RomaniaSTAS
1.4418SwedenSS
X 4 CrNiMo 16 5 1SwedenSS
1.4418SwitzerlandSNV
X 4 CrNiMo 16 5 1SwitzerlandSNV
1.4418FinlandSFS
X 4 CrNiMo 16 5 1FinlandSFS
1.4418PolandPN
X 4 CrNiMo 16 5 1PolandPN
1.4418AustriaONORM
X 4 CrNiMo 16 5 1AustriaONORM
1.4418NorwayNS
X 4 CrNiMo 16 5 1NorwayNS
1.4418BelgiumNBN
X 4 CrNiMo 16 5 1BelgiumNBN
1.4418HungaryMSZ
X 4 CrNiMo 16 5 1HungaryMSZ
1.4418Czech RepublicCSN
X 4 CrNiMo 16 5 1Czech RepublicCSN
1.4418BulgariaBDS
X 4 CrNiMo 16 5 1BulgariaBDS
1.4418United KingdomB.S.
X 4 CrNiMo 16 5 1United KingdomB.S.
1.4418FranceAFNOR NF
Remanit 4418GlobalEnterprise standard
415MGlobalEnterprise standard
VIRGO 39GlobalEnterprise standard
BÖHLER N404 EXTRAGlobalEnterprise standard
X 4 CrNiMo 16 5 1FranceAFNOR NF
1.4418European UnionEN
X 4 CrNiMo 16 5 1GermanyDIN
1.4418GermanyDIN