Russia · GOST

10kp

GOST 1577 — Rolled sheets and wide strips of structural quality steel - Specifications

Chemical composition

wt% · log scale
0.010.11C0.07 – 0.14Cr0.15Cu0.3Mn0.25 – 0.5Ni0.3P0.035S0.04Si0.07
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥185 MPaTensile strength Rm≥310 MPaElongation A≥33 %steel strip, normalized, <= 80 mmTensile strength Rm≥320 MPaElongation A≥32 %sheet, not heat treated, <= 80 mmTensile strength Rm≥270 MPaElongation A≥32 %HardnessHBsheet, annealed or tempered, <= 80 mm

Physical properties

vs. temperature
Mean thermal expansion 10⁻⁶/K
12.4 – 15.3°C
Thermal conductivity W/(m·K)
27.0 – 58.0°C
Specific heat J/(kg·K)
466 – 567°C

Chemical composition

ElementminmaxSimilarRemarks
C0.070.14
Cr0.15
Cu0.3
Mn0.250.5
Ni0.3
P0.035
S0.04
Si0.07

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
steel strip, normalized, <= 80 mm≥185≥310≥33
sheet, not heat treated, <= 80 mm≥320≥32
sheet, annealed or tempered, <= 80 mm≥270≥32HB ≤137

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
186.007.86

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.

Similar grades

GradeRegionSystem
1008United StatesSAE
1.0038GermanyDIN