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38KHM / 38ХМ Round Steel Bar / Structural Alloy Steel Bar Bright Surface

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38KHM / 38ХМ Round Steel Bar / Structural Alloy Steel Bar Bright Surface

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Large Image :  38KHM / 38ХМ Round Steel Bar / Structural Alloy Steel Bar Bright Surface

Product Details:
Place of Origin: CHINA
Brand Name: UST
Certification: ISO 9001-2008
Model Number: 38KHM / 38ХМ
Payment & Shipping Terms:
Minimum Order Quantity: 1 Ton/Tons
Packaging Details: In bundles, plywood cases, wooden cases with water-proof package,or as customer required for stainless square steel bar
Delivery Time: 5-8 work days
Payment Terms: L/C, T/T
Supply Ability: 1000 MT per month
Detailed Product Description
Application: Structural Steel Bar,Gear,mold Steel,Die Steel Bar Grade: 20CrMnTiHCS/20CrMnTiHLD Price Iron Forged Steel Round Bar,42CrMo
Delivery Condition: Hot Forged +Rough Machined (black Surface,Finish Machining,forged +Rough Machined (black Surface After Q/T)+ Turned (optional),Hot Forged +A/N/QT Surface Treatment: Customized,Customers't Requirement,Galvanized,Black,bare
Diameter: 12mm - 500mm,1-500mm,80-800mm Type: Alloy Steel Bar,Carbon Steel Bar,Carbon Steel Or Alloy Steel,cold Drawn,Machining Service
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38KHM / 38ХМ Alloy structural steel bright surface

 

Characteristics for grade 38KHM ( 38ХМ )

Grade : 38KHM ( 38ХМ )
Substitute: 38ХВ
Classification : Alloy structurall steel
Equivalent grades: Go here

 

 

Chemical composition in % for grade 38KHM ( 38ХМ )
C Si Mn Ni S P Cr Mo Cu
0.35 - 0.42 0.17 - 0.37 0.35 - 0.65 max 0.3 max 0.035 max 0.035 0.9 - 1.3 0.2 - 0.3 max 0.3


Mechanical properties under Т=20oС for grade 38KHM ( 38ХМ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 4543-71 Ø 25   980 885 11 45 690 Guenching 850oC, oil, Drawing 580oC, air,

 

Brinell hardness for 38KHM ( 38ХМ ) (annealing) , GOST 4543-71 HB 10 -1 = 241 MPa

 



Equivalent steels for grade 38KHM ( 38ХМ )
Warning! Indicated both exact and nearest equivalents.
USA Germany Japan France England European Italy Spain China Sweden Bulgaria Poland Romania Czechia Austria
- DIN,WNr JIS AFNOR BS EN UNI UNE GB SS BDS PN STAS CSN ONORM
G41400
G41420
G41500
Gr.4140
H41400
J14047
1.7225

41

CrMo4

42

CrMo4

GS

-42

CrMo4

SCM

440

42

CD4

42

CD4FF

42

CrMo4

A

35-590

42CrMO4
50CrMo4
708M40
709M40
1.7202
1.7225

37

CrMo4

41

CrMo4

42

CrMo4

38

CrMo4KB

42

CrMo4

42

CrMo4

42

CrMoS4

42

CrMo

2244
38ChM
40ChML
40HM

41

MoCr11

42MoCr11
15142

42CrMo4SP

BOHLERV320

Types of delivery of grade 38KHM ( 38ХМ )
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling


Specification :
Mechanical properties :
sв - Tensile strength , [MPa]
sT - 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 20o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(m·Grade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]

 

 

Hot-rolled metal of quality and alloy structural steel

 

 

 

 

 

 

 

 

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