Cold Drawn Round Bar 5140 Scm440 40cr Alloy Steel Bar

Model NO.
steel bar
Composition
Alloy Steel or Carbon Steel
Technique
Hot Rolled or Cold Drarwn
Shape
Bar
Surface Treatment
Polished
Special Use
Cold Heading Steel, Free Cutting Steel
Application
Structural Steel Bar
Cold Drawn Diameter
10mm-130mm
Hot Rolled Diameter
20mm-310mm
Forged Diameter
200mm-1000mm
Heat Treatment
Qt/Annealed/Nomalized
Surface
Cold Drawn+Smoothly/Peeled+Polished/Black
Delivery Time
30days
Transport Package
Anti-Rust Packaging
Specification
diameter: 10mm-300mm
Trademark
customized
Origin
China
Production Capacity
5000tons
Reference Price
$ 630.00 - 810.00
Contact Us

Product Description

 
S20C S45C SS400 A36 5140 ML40Cr SCr440 GR8.8 alloy steel round bar
Cold drawn  STEEL BAR FOR SHAFTS
PEELED STEEL ROUND BAR WITH h9 h10 tolerance

1. 5140 40cR Scr440 Gr8.8 steel bar Main standard
GB JIS DIN ASTM/AISI/SAE
40Cr SCr40 41Cr4 5140
2. 5140 40cR Scr440 Gr8.8 steel bar chemical compition
C SI MN S P Cr Ni/Cu
0.38-0.43 0.15-0.35 0.70-0.90 0.025 (max) 0.025 (max) 0.70-0.90 0.25 (max)

3. 40Cr  5140 41Cr4 SCr440  s teel   bar  Mechanical Properties with QT
Hardness :207HB  or according to client ' s request
Tensile  strength : Min 980MPA  
Yield  strength: Min 785MPA
elogation:9%  Reduction  of  area:45%  
AKV(impact  value):59J
4.our 40Cr  5140 41Cr4 SCr440  s teel   bar   a vaiable size  
Hot rolled round bars 16 mm to  35 0mm
Cold drawn bars 6mm to 50mm
Forged round bars 200mm-800mm
5. 40Cr  5140 41Cr4 SCr440  hot rolled steel round bar   Quality Control Process  
  1. s45c c45 sae1045 aisi1045 steel bar Production Line
  Blast Furnace Melton Iron → EAF(EBT/BOV) → LF → VD → Molten Steel → Continuous Casting → Hot Rolling(KOCKS) →  UT Check - Processing and Distribution Center(  Further  p rocessing   Cold Drawn/Peeling/Turning or QT/annealing)  
2) Iron - hot metal  pretreatment  - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS)  --UT Check - Processing and Distribution Center(  Further Processing   Cold Drawn/Peeling/Turning or QT/annealing)

3 ) Gas Contents:
Oxygen Nitrogen Hydrogen
20ppm(max) 90ppm(max) 2ppm(max)

4 ) Inclusion Rating: ASTM E45A
  A B C D
  MAX MAX MAX MAX
Thin 2.5 2.0 0.5 0.5
Thick 1.5 1.0 1.0 1.0
5 ) Common Grain Size: 5 to 8
6 ) B illet/steel bloom size
20-50mm: 180*220mm steel billet
52-85mm: 1 80*220mm steel billet
85-120mm: 260*300mm steel billet
130-210mm: 650mm round billet
210- 350 mm:800mm steel billet
6. Steel bar Supply condition Surface Treatment: Peeling, Turning, Grinding, Milling, Drilling, Boring
Heat Treatment: Normalizing, Annealing, Quenching+ Tempering
7. Straightness:  3mm/m(max)
8.   Steel bar Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 3 min places of the bar length and tagged properly.
* For further processing products such as cold drawn/peeled or heat treated goods, plastics bag wrapped or pallet loading is available according to customer's demands.
9.Delivery time  of steel bar : 7-10days of stock, 30 days after order confirm ed of new material
10.Payment term :TT or LC
11.Free sample:Yes
12.steel bar Inspection:   Spectral Tested, Microstructur e Tested,Hardness Test , Macrostructure Test, UT sep1921 C/c
13.Our steel bar mill 's certificate
ISO901&ISO.TS16949,ISO4001,OHSAS18001
Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel;
ISO/TS16949 2009 for Manufacturing of Special steel;
Europe CE Mark Certificate;
JIS MARK,KS MARK.

With dynamic and passionate professional sales team and technical team, Our company Dajin make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.
Cold Drawn Round Bar 5140 Scm440 40cr Alloy Steel Bar Cold Drawn Round Bar 5140 Scm440 40cr Alloy Steel Bar Cold Drawn Round Bar 5140 Scm440 40cr Alloy Steel Bar Cold Drawn Round Bar 5140 Scm440 40cr Alloy Steel Bar Cold Drawn Round Bar 5140 Scm440 40cr Alloy Steel Bar Cold Drawn Round Bar 5140 Scm440 40cr Alloy Steel Bar

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