International standard · ISO

TW 410

ISO 9330-1:1990 — ISO 9330-1

Chemical composition

wt% · log scale
0.010.1110C0.21Cu0.25Mn0.4 – 1.2P0.04S0.04Si0.35
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥245 MPaYield strength Rp0.2≥245 MPaTensile strength Rm410–550 MPaTensile strength Rm410–550 MPaElongation A≥20 %Elongation A≥22 %welded steel tube, or hot rolled, 16 < t < 40 mmYield strength Rp0.2≥255 MPaYield strength Rp0.2≥255 MPaTensile strength Rm410–550 MPaTensile strength Rm410–550 MPaElongation A≥20 %Elongation A≥22 %welded steel tube, or hot rolled, t < 16 mm

High / low temperature

value vs. temperature
126149173196219100150200250300350°C
  • welded steel tubes or hot rolled · Yield strength Rp0.2

Chemical composition

ElementminmaxSimilarRemarks
C0.21
Cu0.25
Mn0.41.2
P0.04
S0.04
Si0.35

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
welded steel tube, or hot rolled, 16 < t < 40 mm≥245410–550≥20 long. test；≥22 long. test
welded steel tube, or hot rolled, t < 16 mm≥255410–550≥20 long. test；≥22 long. test

High/low temperature

Yield strength Rp0.2 (MPa)
ConditionTemperature ℃Approx.
welded steel tubes or hot rolled350135
welded steel tubes or hot rolled300145
welded steel tubes or hot rolled250170
welded steel tubes or hot rolled200185
welded steel tubes or hot rolled150195
welded steel tubes or hot rolled100210