Alloy Steel Round Bar AISI 4140, 4340, 8620 , 4320

China Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320, Find details about China 4140 Round Bar, 4340 Round Bar from Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320

Model NO.
alloy Steel Round Bar AISI 4140, 4340, 8620, 4320
Heat Treatment
Annealed
Length
3000-5800mm
Non-Metallic Inclusiton
ASTM E45
Grain Size
ASTM E112
Process
Eaf+Lf+Vd+Forged+Heat Treatment(Optional)
Technology
Hot Rolled/ Forged/ Cold Drawn
Usage
Automotive, Aerospace, Power Generation, Oil & Gas
Ex-Stock
Yes
Service
24 Hours on Line
Other Type
Engineering Steel, Cold Work Tool Steel
Test
Ensile Strength, Yield Strength, Elongation,
Other Type 1
Engineering Steel, Cold Work Tool Steel
Other Type 2
Hot Work Tool Steel, Plastic Mold Steel
Other Type 3
Spring Steel, High Speed Steel, Stainless Steel
Other Type 4
Mold Steel, Free Cutting Steel, Cold Heading Steel
Trademark
zayi
Transport Package
Seaworthy Package
Specification
DIA 60-600
Origin
China
HS Code
72284000
Model NO.
alloy Steel Round Bar AISI 4140, 4340, 8620, 4320
Heat Treatment
Annealed
Length
3000-5800mm
Non-Metallic Inclusiton
ASTM E45
Grain Size
ASTM E112
Process
Eaf+Lf+Vd+Forged+Heat Treatment(Optional)
Technology
Hot Rolled/ Forged/ Cold Drawn
Usage
Automotive, Aerospace, Power Generation, Oil & Gas
Ex-Stock
Yes
Service
24 Hours on Line
Other Type
Engineering Steel, Cold Work Tool Steel
Test
Ensile Strength, Yield Strength, Elongation,
Other Type 1
Engineering Steel, Cold Work Tool Steel
Other Type 2
Hot Work Tool Steel, Plastic Mold Steel
Other Type 3
Spring Steel, High Speed Steel, Stainless Steel
Other Type 4
Mold Steel, Free Cutting Steel, Cold Heading Steel
Trademark
zayi
Transport Package
Seaworthy Package
Specification
DIA 60-600
Origin
China
HS Code
72284000
alloy Steel Round Bar AISI 4140, 4340, 8620, 4320


1: AISI 4140 steel introduction
AISI 4140 steel from the material classification, belongs to the plastic mold steel in mold steel, has good mechanical properties and machinability, the application is quite extensive, there are mainly two types of material plate and round rod, plate for mold processing and production, round rod for mechanical direct processing parts, has been recognized by the industry.
 
2: AISI 4140 Steel equivalent
EU USAGermanyJapanFranceEnglandItalySpainChinaSwedenFinlandRussiaInter
EN-DIN,WNrJISAFNORBSUNIUNEGBSSSFSGOSTISO
42CrMo4 (1.7225)414042CrMo4SCM440H42CD4708M4042CrMo440CrMo442CrMo224442CrMo435KHM42CrMo4
4142   CFS11 F1252   38KHM 
 
3: AISI 4140 steel chemical composition
CSiMnPSCrMo
0.38 - 0.45max   0.40.6 - 0.9max   0.0250.02 - 0.040.9 - 1.20.15 - 0.3
 
4: AISI 4140 steel mechanical properties(for guidance only)
Nominal diameter (mm):  to 1616 - 4040 - 100100 - 160160 - 250
Rm - Tensile strength (MPa) (+QT)1100-13001000-1200900-1100800-950750-900
Rm - Tensile strength (MPa) (+AC)630
 
Nominal diameter(mm):   or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160;to 1616 - 4040 - 100100 - 160160 - 250
Re - Upper yield strength or 
Rp0.2 - 0.2% proof strength (MPa) (+QT)
900750650550500
 
Nominal thickness (mm):    to 1616 - 4040 - 100100 - 160160 - 250
A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products1011121314
 
Nominal diameter (mm):     or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160;to 1616 - 4040 - 100100 - 160160 - 250
Z - Reduction in cross section on fracture (%) (+QT)4045505055
Z - Reduction in cross section on fracture (%) (+AC)58

  Brinell hardness   (HBW):   (+S)255
  Brinell hardness   (HBW):   (+A)241

  
5: steel overviews
SizeRoundDia 6-1200mm
Plate/Flat/BlockThickness
6mm-500mm
Width
20mm-1000mm
Heat treatmentNormalized ; Annealed ; Quenched ; Tempered
Surface conditionBlack; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery conditionForged; Hot rolled; Cold drawn
TestTensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. 
Payment termsT/T;L/C;/Money gram/ Paypal
Trade termsFOB; CIF; CNF
Delivery time20-25 days
Application4140  used for Blanking Dies, Forming Dies, Coining Dies, Slitting Cutters, Heading Tools, Long Punches, Forming Rolls, Edging Rolls, Master Tools, Beading Rolls, Intricate Punches, Extrusion Dies, Drawing Dies, Lamination Dies, Thread Rolling Dies, Shear Blades, Burnishing Tools, Gauges, Knurls, Wear Parts.

 
6: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.
Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320
Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320
Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320
Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320
Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320
Alloy Steel Round Bar AISI 4140, 4340, 8620, 4320

FAQ:


Q: Where is your company ?
A: Our company located in liaocheng , shandong provice of China.

Q: Are you trading company or manufacturer?
A: we are manufacturer.

Q: How long is your delivery time?
A: Generally is 5-7 working days of goods in stock, or 10-20 days if goods are not in stock, it is according to quantitiy.

Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge.but the customers have to pay the sample courier cost.

Q:. What kind of terms of payment?
A: T/T, L/C,Western Union Alipay,Cash are available.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.