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Steel 10kp

Designation

Name The value
Designation GOST Cyrillic 10кп
Designation GOST Latin 10kp
Transliteration 10kp
The chemical elements 10

Description

10kp steel is used: for the manufacture of sheet metal, 1−2 mm 4−14 category, intended for cold forming; sheet rolled double-sided electrolytic coating and single-side polymer coating, used in the construction industry, commercial engineering, industrial ventilation, household appliances, decoration and other purposes; parts, operating at temperatures up to +450 °C, which are requirements of high plasticity; bushings, lugs, washers, screws and other parts after HTO (chemical heat treatment), requirements of high surface hardness and wear resistance at low strength core; welded pipes; enamelware; cold strip 0,05−4,00 mm, designed for bending, punching parts, manufacture of pipes, cored wire, parts, bearings and other metal products.

Note

The degree of deoxidation — KP.

Standards

Name Code Standards
Sectional and shaped rolling В32 GOST 1050-88, GOST 7417-75, GOST 8560-78, GOST 10702-78, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-11-245-88, TU 14-1-1271-75, TU 14-136-367-2008
Sheets and stripes В33 GOST 1577-93, GOST 4041-71, GOST 13345-85, GOST 24244-80, TU 14-1-450-72, TU 14-1-4516-88
Classification, nomenclature and general norms В70 GOST 2771-81
Pipes steel and connecting parts to them В62 GOST 3262-75, GOST 10704-91, GOST 10705-80, GOST 10707-80, TU 14-3-1428-86, TU 14-3Р-63-2002, TU 1373-022-05757850-08, TU 1373-013-02949352-2003
Tapes В24 GOST 3560-73
Steel wire medium- and high-carbon В72 GOST 3920-70, GOST 7372-79, GOST 9389-75, GOST 9850-72, GOST 17305-91, GOST 26366-84
Tapes В34 GOST 503-81, GOST 10234-77, GOST 19851-74
Low-carbon steel wire В71 GOST 5663-79
Sheets and stripes В23 GOST 82-70, GOST 14918-80, GOST 16523-97, GOST 19904-90, GOST 16523-89, GOST 16523-70, GOST 19903-90, TU 14-1-4695-89
Sectional and shaped rolling В22 GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 8319.0-75, GOST 9234-74, GOST 10551-75, GOST 11474-76, GOST 19771-93, GOST 19772-93, GOST 2590-2006, GOST 2879-2006
Bulls. Blanks. Slabs В31 OST 3-1686-90, TU 14-1-4944-90

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % d4 d d10 y, % Brinell hardness number, MPa HRB
Tape flatted average strength of 0.1-4.0 mm according to GOST 10234-77 in the state of delivery (indicated delivery)
- - 490-780 - - - - - - -
- - 390-540 - - - - - - -
- - 540-690 - - - - - - -
- - 690-830 - - - - - - -
- - ≤440 - - ≥20 - - - -
- - ≤410 - - - - - - -
Cold-rolled steel strip 0,05-4,00 mm according to GOST 503-81 on delivery
- - ≥540 - - - - - - -
≤1.5 - 310-440 - ≥17 - - - - -
1.55-2 - 310-440 - ≥18 - - - - -
2.1-2.9 - 310-440 - ≥20 - - - - -
3-4 - 310-440 ≥24 - - - - - -
2.1-2.9 - 440-590 - ≥4 - - - - -
3-4 - 440-590 ≥4 - - - - - -
≤1.5 - 270-390 - ≥23 - - - - -
1.55-2 - 270-390 - ≥26 - - - - -
2.1-2.9 - 270-390 - ≥30 - - - - -
3-4 - 270-390 ≥32 - - - - - -
≤1.5 - 370-510 - ≥7 - - - - -
1.55-2 - 370-510 - ≥9 - - - - -
2.1-2.9 - 370-510 - ≥10 - - - - -
3-4 - 370-510 ≥12 - - - - - -
Rolled sheet 1-2 categories of heat-treated (annealing, normalization, high tempering or normalizing + tempering) in the delivery state according to GOST 4041-71
4-14 - 270-410 ≥32 - - ≥28 - ≤114 ≤64
Wire for cold heading as supplied by GOST 5663-79
- - 440-590 - - - - ≥55 - -
- - ≤590 - - - - ≥55 - -
Longitudinal electric-welded pipes (Dy=10-530 mm) in the delivery condition. Listed marsvolta base metal
- ≥196 ≥314 ≥25 - - - - - -
Hot-rolled steel and hot rolled with special surface finish
- - - - - - - - ≤137 -
- - - - - - - - ≤115 -
Steel calibrated and calibrated with special surface finish
- - ≥370 ≥8 - - - ≥55 ≤179 -
- - 310-410 - - - - ≥50 ≤143 -
- - 290-390 - - - - ≥50 ≤143 -
Hot-rolled sheet in the delivery condition. Group strength К270В
≤2 - 270-410 - ≥24 - - - - ≤65
2-3.9 - 270-410 - ≥26 - - - - ≤65
Cold-rolled sheet in the delivery condition. Group strength К270В
≤2 - 270-410 - ≥25 - - - - ≤65
2-3.9 - 270-410 - ≥28 - - - - ≤65
Cold roll for the enamelware according to GOST 24244-80 in the state of delivery (specify a group to exhaust the category of the quality)
0.5-1.5 ≥250 270-368 - ≥30 - ≥36 - - -
1.5-2 ≥235 270-368 - ≥30 - ≥36 - - -
2-2.5 ≥235 270-368 - ≥32 - ≥36 - - -
0.5-2 - 255-362 - ≥28 - ≥34 - - -
2-2.5 - 255-362 - ≥30 - ≥34 - - -
0.5-2 - 265-382 - ≥26 - - - - -
2-2.5 - 265-382 - ≥29 - - - - -
0.5-2 - 265-382 - ≥25 - - - - -
2-2.5 - 265-382 - ≥28 - - - - -
Steel grooved on delivery
≤25 - ≥372 ≥8 - - - ≥55 - -
Leaves heat-treated 1 and 2nd categories
- - 275-410 ≥32 - - - - ≤114 -
Tape
- - 315-440 - ≥17 - - - - -
- - 440-590 - ≥4 - - - - -
- - 375-510 - ≥7 - - - - -

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
d4 Elongation after rupture
d Elongation after rupture
d10 Elongation after rupture
y The relative narrowing
HRB Rockwell hardness (indenter steel, spherical)

Technological properties

Name The value
Weldability Without limitation, except HTO parts; welding methods: SMAW, submerged arc ADS and gateway protection of the CCC.
Propensity to temper brittleness Tend not.
Forging temperature Beginning - 1300 °C, end - 700 °C. air Cooling.
Flock-sensitive sensitivity not sensitive.
Workability by cutting In hot rolled state at 99-107 blower SB and HB=450 MPa Kn TV.SPL.=Of 2.1 Kn b.St.=1,6.

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