Germany · DIN

1.0562

DIN EN 10217-3:2005 — Welded steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes

Chemical composition

ElementminmaxSimilarRemarks
Al0.02Al/N=>2Al/N=>2
C0.2
Cr0.3
Cr+Cu+MoThe sum of the percentage by mass of the three elements CrThe sum of the percentage by mass of the three elements Cr
Cu0.3
Mn0.91.7
Mo0.08
N0.02
Nb0.05
Nb+Ti+V0.12
Ni0.5
P0.025
S0.02
Si0.5
Ti0.03
V0.1

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
welded steel tube +N, 12 < T <=, 20 mm≥355 or Upper yield stress490–650≥22 long. test
welded steel tube +N, 20 < T <=, 40 mm≥345 or Upper yield stress490–630≥22 long. test
welded steel tube +N, T <= 12 mm≥355 or Upper yield stress490–650≥22 long. test
welded steel tube, welded condition≥39 KV (20°C);≥31 KV (-10°C);≥31 KV (-0°C);≥27 KV (-20°C);≥55 KV (20°C);≥47 KV (0°C);≥43 KV (-10°C);≥40 KV (-20°C)

Physical properties

-100.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
217.0010.8037.60371.000.18

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.86203.000.27–0.30低碳,低合金钢的典型性能数值。此值不来源于标准,它是指示性指标,不能被用于设计用途。

High/low temperature

Impact energy Kv/Ku (J)
ConditionTemperature ℃minRemarks
welded steel tubes as-welded-1031KV
welded steel tubes as-welded-2027KV
welded steel tubes as-welded031KV
welded steel tubes as-welded-1043KV
welded steel tubes as-welded-2040KV