Characteristics of steel grade 10kp

Steel grade 10kp is a quality structural carbon steel produced with a chemical composition according to DSTU 7809/ GOST 1050.

Classification: Quality structural carbon steel.

Products: Steel plates and sheets, including shapes, forged goods and semi-finished products.


Chemical composition of steel grade 10kp based on ladle analysis, %

С Si Mn Ni S P Cr Cu
0,07 - 0,14      ≤0,07 0,25 - 0,50 ≤0,30 ≤0,040 ≤0,035 ≤0,15 ≤0,20


Mechanical properties of steel grade 10kp according to DSTU 2834 / GOST 16523

Strength class Tensile strength, N/mm2 Elongation, % (min)
Hot rolled steel Cold rolled steel
up to 2 mm inclusive Over 2 mm up to 2 mm inclusive Over 2 mm
К270В 270-410 24 26 25 28


Equivalents of steel grade 10kp

USA 1008, 1010, 1012, A621
Germany 1.0334, DD11, StW22, UStW23
China 10F, ML10



Steel grade 10kp is used for the manufacture of parts that have high ductility and are operated at temperatures up to 450 °С, as well as bushes, screws, washers and other parts subjected to thermochemical treatment to have high surface strength with low core strength.



No welding restrictions except for thermochemically treated parts.

Welding methods: manual metal arc welding, submerged arc welding, electric resistance welding.

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