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Steel St5ps

Steel St3kp (VSt3kp) Steel St6sp (VSt6sp) Steel St6ps (VSt6ps) Steel St5sp St5ps steel St5Gps steel Steel St4sp (VSt4sp) Steel St4ps (VSt4ps) Steel St4kp (VSt4kp) Steel St3sp (VSt3sp) Steel St3ps (VSt3ps) Steel St3GSp (VSt3GSp) Steel St3Gps (VSt3Gps) Steel St2sp (VSt2sp) Steel St2ps (VSt2ps) Steel St2kp (VSt2kp) Steel St1sp St1ps steel Steel St1kp Steel St0

Designation

Name The value
Designation GOST Cyrillic Ст5пс
Designation GOST Latin Ct5pc
Transliteration St5ps
The chemical elements 5

Description

St5ps steel is used: for the manufacture of parts riveted structures, bolts, nuts, handles, rods, bushings, undercarriage rollers, wedges, pins, levers, stops, pins, fingers, rods, sprockets, tubular grilles, flanges and other parts operating at temperatures from 0 °C to +425 °C; forgings seniam to 800 mm. strength classes KP 175, KP 195; forgings seniam to 300 mm. strength KP 215; forgings seniam to 100 mm. strength KP 245; hot rolled C-shaped profile for agricultural machines; knives for earth-moving machinery (bulldozers, scrapers, graders and graders, as well as to the dozer and grader blades equipment excavators, rollers and other earth moving machines); two-headed rails, t-type P5, is designed for ground and suspended tracks.

Note

The degree of deoxidation — PS.

Standards

Name Code Standards
Pipes steel and connecting parts to them В62 GOST 3262-75, GOST 8639-82, TU 14-3-1160-83, TU 14-3-1428-86
Rails. Lining. Lining. Crutches В42 GOST 3280-84, GOST 7056-77, GOST 8194-75, GOST 12135-75
Tapes В24 GOST 3560-73, GOST 6009-74, STP М309-74
Classification, nomenclature and general norms В20 GOST 380-2005
Sectional and shaped rolling В22 GOST 5422-73, GOST 5781-82, GOST 8239-89, GOST 8240-97, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 8320.0-83, GOST 8509-93, GOST 8510-86, GOST 9234-74, GOST 10884-94, GOST 11474-76, GOST 12492.13-90, GOST 17152-89, GOST 19240-73, GOST 19425-74, GOST 19771-93, GOST 19772-93, GOST 535-2005, GOST 2590-2006, GOST 2591-2006, OST 5.9086-85, OST 5.9087-84, TU 14-2-949-91, TU 14-1-5254-94
Sheets and stripes В23 GOST 82-70, GOST 14637-89, GOST 14918-80, GOST 16523-97, GOST 19903-74, GOST 16523-89, GOST 16523-70, GOST 103-2006, GOST 19903-90, TU 14-1-3023-80
Metal forming. Forgings В03 GOST 8479-70
Bulls. Blanks. Slabs В31 OST 3-1686-90, TU 14-1-4944-90
Thermal and thermochemical treatment of metals В04 ST ЦКБА 026-2005
Sheets and stripes В33 TU 14-1-4431-88
Sectional and shaped rolling В32 TU 14-2-849-89, TU 14-11-245-88, TU 14-136-367-2008

Mechanical characteristics

Section, mm t отпуска, °C sT|s0,2, MPa σB, MPa d5, % d4 y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Rolled steel in the delivery state
- - ≥330 ≥535 ≥25 - ≥52 ≥640 -
- - ≥310 ≥500 ≥20 - ≥54 ≥690 -
- - ≥305 - ≥19 - ≥40 ≥780 -
- - ≥215 - ≥22 - ≥50 ≥690 -
- - ≥185 ≥500 ≥23 - ≥64 ≥590 -
- - ≥160 ≥365 ≥24 - ≥70 - -
- - ≥88 ≥195 ≥35 - ≥80 - -
The hot rolled plate, long products and fittings as supplied
≤20 - ≥285 490-630 ≥20 - - - -
20-40 - ≥275 490-630 ≥19 - - - -
40-100 - ≥265 490-630 ≥17 - - - -
100 - ≥255 490-630 ≥17 - - - -
Hot-rolled sheet in the delivery condition. Group strength ОК400В
≤2 - - 400-680 - ≥17 - - -
2-3.9 - - 400-680 - ≥19 - - -
Cold-rolled sheet in the delivery condition. Group strength ОК400В
≤2 - - 400-680 - ≥19 - - -
2-3.9 - - 400-680 - ≥21 - - -
Blank pieces of pipe fittings. Extract at 850-880 °C (2.5 to 4.0 hours, depending on the thickness and weight of the workpiece) annealing in air
≤100 - ≥245 ≥470 ≥22 - ≥48 ≥490 143-179
100-500 - ≥195 ≥390 ≥20 - ≥45 ≥490 111-156
Forgings. After normalization
100-300 - ≥175 ≥355 ≥24 - ≥50 ≥590 101-143
300-500 - ≥175 ≥355 ≥22 - ≥45 ≥540 101-143
500-800 - ≥175 ≥355 ≥20 - ≥40 ≥490 101-143
100-300 - ≥195 ≥390 ≥23 - ≥50 ≥540 111-156
300-500 - ≥195 ≥390 ≥20 - ≥45 ≥490 111-156
500-800 - ≥195 ≥390 ≥18 - ≥38 ≥440 111-156
100-300 - ≥215 ≥430 ≥20 - ≥48 ≥490 123-167
100 - ≥245 ≥470 ≥22 - ≥48 ≥490 143-179
Rod diameter 14-16 mm. Quenching in water from 900 °C + Vacation, cooling in furnace
- 200 ≥890 ≥1080 ≥4 - - - -
- 300 ≥780 ≥900 ≥7 - - - -
- 400 ≥690 ≥780 ≥11 - - - -
- 500 ≥600 ≥700 ≥15 - - - -
- 600 ≥530 ≥650 ≥19 - - - -

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
y The relative narrowing
kJ/m2 Toughness

Physical characteristics

Temperature Е, ГПа G, ГПа
0 198 81
20 198 -
100 196 80
200 186 77
300 175 74
400 167 71
500 - 67
600 - 62

A description of the physical symbols

Name Description
Е The normal elasticity modulus
G Modulus of elasticity shear torsion
r Density
l Coefficient of thermal conductivity
R UD. the resistivity
a The coefficient of linear expansion

Technological properties

Name The value
Weldability Limited weldability; welding methods: SMAW, ADS submerged arc and gas protection electroslag welding. Recommended heating and subsequent heat treatment. The CCC without restriction.
Propensity to temper brittleness Tend not.
Forging temperature Start - 1260 °C, the end - 750 °C. the cross Sections up to 800 mm are cooled in air.
Flock-sensitive sensitivity not sensitive.
Workability by cutting In hot-rolled state when HB 158 and blower SB=640 MPa Kn TV.SPL.=1,2 Kn b.St.=1,2.

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