Germany · DIN

2.0331

DIN 17671-1:1969 — Wrought copper and copper alloy tubes; properties

Chemical composition

wt% · log scale
0.0010.010.1110100Al0.05Cu62 – 64Fe0.2Mn0.1Ni0.3Pb0.7 – 2.5Sb0.01Sn0.1Total Ni0.5Total oth.0.1
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≤180 MPaTensile strength Rm290–370 MPaElongation A≥50 %HardnessHBsteel tubes, Soft, t <= 10 mmYield strength Rp0.2≥200 MPaTensile strength Rm370–440 MPaElongation A≥27 %HardnessHBsteel tubes, strain hardened, 1/2 , t <= 10 mmYield strength Rp0.2≥470 MPaTensile strength Rm≥540 MPaElongation A≥6 %HardnessHBsteel tubes, strain hardened, , t <= 2 mmYield strength Rp0.2≥340 MPaTensile strength Rm440–540 MPaElongation A≥12 %HardnessHBsteel tubes, strain hardened, , t <= 5 mm

Chemical composition

ElementminmaxSimilarRemarks
Al0.05
Cu6264
Fe0.2
Mn0.1
Ni0.3
Pb0.72.5
Sb0.01
Sn0.1
Total Ni0.5
Total oth.0.1
Zn​​Bal​​​​Bal​​

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
steel tubes, Soft, t <= 10 mm≤180290–370≥50 for A5. min 45 % for A10HB ≥70 HB 2.5/62.5
steel tubes, strain hardened, 1/2 , t <= 10 mm≥200370–440≥27 for A5. min 24 % for A10HB ≥110 HB 2.5/62.5
steel tubes, strain hardened, , t <= 2 mm≥470≥540≥6 for A5. min 3 % for A10HB ≥160 HB 2.5/62.5
steel tubes, strain hardened, , t <= 5 mm≥340440–540≥12 for A5. min 9 % for A10HB ≥135 HB 2.5/62.5

Physical properties

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
8.50

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