Steel 05kp

Designation

Name The value
Designation GOST Cyrillic 05кп
Designation GOST Latin 05kp
Transliteration 05kp
By chemical elements 5

Description

Steel 05kp used: for the manufacture of parts non-critical appointment manufactured by holaday stamping and upsetting.

Note

The degree of deoxidation — KP.

Standards

Name Code Standards
Bars and shapes В32 GOST 1050-88, GOST 7417-75, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-11-245-88, TU 14-136-367-2008
Sheets and strips В23 GOST 14918-80
Steel pipes and fittings to them В62 GOST 3262-75, TU 14-3-1428-86
Tape В24 GOST 3560-73
Steel wire medium and high carbon В72 GOST 3920-70, GOST 7372-79, GOST 9389-75, GOST 9850-72, GOST 26366-84
Bars and shapes В22 GOST 8319.0-75
Blanks. Of the workpiece. Slabs В31 OST 3-1686-90, TU 14-1-4944-90

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N As
GOST 1050-88 ≤0.06 ≤0.04 ≤0.035 ≤0.4 ≤0.1 ≤0.03 ≤0.3 Rest ≤0.3 ≤0.006 ≤0.08
Fe is the basis.
According to GOST 1050-88, the nitrogen content is specified for the steel of the oxygen-converter method of smelting. For all other types of smelting, the nitrogen content was N≤0.008%.

Mechanical properties

Section, mm σU, MPa d5, %
Delivery condition (heat treatment)
≤4 255-370 30-34

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture

Technological properties

Name The value
Weldability Without restrictions: RDS, ADS submerged arc and gas protection, the CCC, ARDS.
Склонность к отпускной хрупкости tend not
The temperature of forging Start - 1280 °C, the end - 850 °C.
Flock-sensitive sensitivity not sensitive