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Valve Steels Stainless Round Bar Precision Round Bar Corrosion Resistant

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Brand Name :	UST
Model Number :	20KH13 ( 20Х13 )
Certification :	ISO,BV,SGS,Mill Test Certificate
Price :
Payment Terms :	L/C, T/T
Supply Ability :	1000 MT per month
Delivery Time :	5-8 work days

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Valve Steels Stainless Round Bar Precision Round Bar Corrosion Resistant

stainless steel Characteristics for grade 20KH13 ( 20Х13 )

Grade :	20KH13 ( 20Х13 ) ( 2Х13 )
Substitute:	12Х13, 14Х17Н2
Classification :	Corrosion-resistant high-temperature steel
Equivalent grades:	20KH13 ( 20Х13 )

Chemical composition in % for grade 20KH13 ( 20Х13 )

C	Si	Mn	Ni	S	P	Cr
0.16 - 0.25	max 0.6	max 0.6	max 0.6	max 0.025	max 0.03	12 - 14

Temperature of critical points for grade 20KH13 ( 20Х13 ).

Ac₁ = 820 , Ac₃(Ac_m) = 950 , Ar₁ = 780

Mechanical properties under Т=20^oС for grade 20KH13 ( 20Х13 )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Sheet, GOST 5582-75	1 - 4	dihedral	490		20			Drawing 740 - 800^oC,
Bar, GOST 5949-75			650-830	440-635	10-16	50-55	590-780	Guenching and drawing
Bar, GOST 18907-73			510-780		14
Bar, GOST 18968-73			670	490-655	18	50	690	Normalizing and drawing
Forging, GOST 25054-81	to 600	longitudinal	647	441	14-16	40-50	390-640	Guenching and drawing
Sheet trick, GOST 7350-77			510	375	20			Normalizing

Brinell hardness for 20KH13 ( 20Х13 ) (annealing) , Bar GOST 5949-75	HB 10 ^-1 = 126 - 197 MPa
Brinell hardness for 20KH13 ( 20Х13 ) (normalize, tempering) , Bar GOST 18968-73	HB 10 ^-1 = 207 - 241 MPa
Brinell hardness for 20KH13 ( 20Х13 ) , Forging GOST 25054-81	HB 10 ^-1 = 197 - 248 MPa

Technological properties for grade 20KH13 ( 20Х13 )

Weldability:	limited weldability.
Flakes :	not predisposed
Temper brittleness:	predisposed

Physical properties for grade 20KH13 ( 20Х13 )

T	E 10^{- 5}	a 10 ⁶	l	r	C	R 10 ⁹
Grade	MPa	1/Grade	Watt/(m·Grade)	kg/m³	J/(kg·Grade)	Ohm·m
20	2.18		23	7670		588
100	2.14	10.1	26	7660	461	653
200	2.08	11.2	26	7630	523	730
300	2	11.5	26	7600	565	800
400	1.89	11.9	26	7570	628	884
500	1.81	12.2	27	7540	691	952
600	1.69	12.8	26	7510	775	1022
700		12.8	26	7480	963	1102
800		13	27	7450
900			28
T	E 10^{- 5}	a 10 ⁶	l	r	C	R 10 ⁹

Equivalent steels for grade 20KH13 ( 20Х13 )Warning! Indicated both exact and nearest equivalents.

USA

Germany

Japan

France

England

European

Italy

Spain

China

Sweden

Poland

Czechia

DIN,WNr

JIS

AFNOR

UNI

UNE

CSN

420

S42000

1.4021

X20Cr13

X30Cr13

SUS420J1

X20Cr13

Z20C13

420S29

420S37

En56C

1.4021

X20Cr13

F.3402

X20Cr13

2Cr13

2303

2H13

17022

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

20KH13 ( 20Х13 ) - Corrosion-resistant high-temperature 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

Product Tags:

stainless round bar

stainless steel round bar

Valve Steels Stainless Round Bar Precision Round Bar Corrosion Resistant

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