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Steel 20-KS

Designation

Name The value
Designation GOST Cyrillic 20-КС
Designation GOST Latin 20-KC
Transliteration 20-KS
The chemical elements 20-CoС

Description

Steel 20-KS is used: for the production of flat steel longitudinal electric-welded pipeline pipes with improved resistance to local corrosion with a diameter of 114−530 mm strength class K42 used for the construction of oil gathering networks (to transport corrosive gas, oil and formation water) and pipeline system at the pressure more than 7.4 MPa (75 kgf/cm2), for operation at a minimum ambient temperature of minus 60 °C.

Standards

Name Code Standards
Pipes steel and connecting parts to them В62 TU 14-1-5433-2005

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % kJ/m2, кДж/м2
The main metal tube: heat-treated, in the state of delivery on the other 14-1-5433-2005. In the graph the impact strength values KCU-40/KCV-5
≥245 ≥410 ≥20 ≥294/294

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
kJ/m2 Toughness

Technological properties

Name The value
Impact strength For the material of welded joints of pipes on the other 14-1-5433-2005 impact strength KCU-40 should be ≥ to 24.5 j/cm2 (245 kJ/m2).

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