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Characteristics for grade St3kp ( Ст3кп )

Grade :	St3kp ( Ст3кп )
Classification :	Normal quality structural carbon steel
Equivalent grades:	Go here

Chemical composition in % for grade St3kp ( Ст3кп )

C	Si	Mn	Ni	S	P	Cr	N	Cu	As
0.14 - 0.22	max 0.05	0.3 - 0.6	max 0.3	max 0.05	max 0.04	max 0.3	max 0.008	max 0.3	max 0.08

Mechanical properties under Т=20^oС for grade St3kp ( Ст3кп )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Pipe, GOST 8696-74			363	235	23
Pipe, GOST 10705-80			372	225	22
Rolled stock, GOST 535-2005			360-460	195-235	24-27
Sheet trick, GOST 14637-89			360-460	195-235	24-27
Rebar, GOST 5781-82			373	235	25
Wire rods , GOST 30136-95			490-540			60

Brinell hardness for St3kp ( Ст3кп ) ,

HB 10^-1 = 131 MPa

Technological properties for grade St3kp ( Ст3кп )

Weldability:	without limitations.
Flakes :	not predisposed
Temper brittleness:	not predisposed

Physical properties for grade St3kp ( Ст3кп )

T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹
Grade	MPa	1/Grade	Watt/(m·Grade)	kg/m³	J/(kg·Grade)	Ohm·m
20				7850

Equivalent steels for grade St3kp ( Ст3кп )Warning! Indicated both exact and nearest equivalents.

USA

Germany

Japan

France

England

Canada

European

Italy

Belgium

Spain

China

Sweden

Bulgaria

Hungary

Poland

Romania

Czechia

Austria

Inter

DIN,WNr

JIS

AFNOR

UNI

NBN

UNE

BDS

MSZ

STAS

CSN

ONORM

ISO

A283(A)

A284Gr.D

A570(33)

A570(36)

A573Gr.58

A611Gr.C

K01804

K02001

K02301

K02502

K02601

K02701

K02702

1.0036

1.0116

Fe360B

Fe360D1

RSt37-2

S235J2G3

S235JRG1

USt37-2

USt37-2G

SS400

STKM12A

4360-40D

E24-3

E24-4

S235J0

S235J2G3

S235J2G4

S235JRG1

1449-37/23CR

235JRG1

4360-40B

4449-250

Fe360B

Fe360D1FF

HFS4

HFW4

S235J2G3

230G

1.0036

Fe37-3FN

Fe37-3FU

Fe37B1FN

Fe37B1FU

Fe37B3FN

Fe37B3FU

S235J2G3

S235JRG1

Fe360B

Fe360BFU

Fe360C

Fe360CFN

Fe360D

Fe360DFF

Fe37-2

S235J0

S235J2G3

S235J2G4

S235JRG1

FE360B

FED1FF

AE235B

AE235D

Fe360B

Fe360D1FF

S235J2G3

S235JRG1

Q235

Q235A

Q235A-F

Q235A-Z

Q235B

Q235B-Z

1311

1312

1313

BSt3kp

BSt3ps

Ew-08AA

S235J2G3

S235JRG1

WSt3kp

B38.24

B38.24B

Fe235B/FU

S235J2G3

S235JRG1

SS400

St3SX

St3SY

St3W

OB37

OL37.1

10216

11373

11378

St37F

E235-A

Fe360-A

Types of delivery of grade St3kp ( Ст3кп )

B03 - Metal forming treatment. Forgings

В20 - Classification, nomenclature and general norms

В22 - Graded and shaped rolling

B23 - Sheets and Strips

B24 - Ribbons

B34 - Ribbons

B42 - Rails: Pads, Pads, Crutches

В62 - Steel pipes and connecting parts to them

B76 - Metal nets

Specification :

Mechanical properties :
s_в	- Tensile strength , [MPa]
s_T	- Yield stress, [MPa]
d₅	- Specific elongation at fracture , [ % ]
y	- Reduction of area , [ % ]
KCU	- Impact strength , [ kJ / m²]
HB	- Brinell hardness , [MPa]

Physical properties :
T	- Test temperature , [Grade]
E	- Young modulus , [MPa]
a	- Coefficient of linear expansion (range 20^o - T ) , [1/Grade]
l	- Termal (heat) condition coefficient , [Watt/(m·Grade)]
r	- Density , [kg/m³]
C	- Specific heat ( range 20^o - T ), [J/(kg·Grade)]
R	- Electrical resistance , [Ohm·m]

Weldability :
without limitations	- welding is done without heating and subsequent heat treeting
limited weldability	- welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability	- obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

St3kp ( Ст3кп ) - Normal quality structural carbon steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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