SAE4140 Steel Round BarBoard with Good Quality

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
2000 m.t./month

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Item specifice:

Standard: AISI,GB,JIS,GB,BS,DIN,ASTM Technique: Hot Rolled,Cold Rolled,Cold Drawn,Forged Shape: Round
Surface Treatment: Polished,Black,Peeling/Machined Steel Grade: SAE4140 Certification: ISO,API
Thickness: 20-800mm Length: 3000-9000mm Net Weight: custom

Product Description:

Quick Details

Steel Grade:  Alloy                   Steel Standard:  AISI, ASTM, BS, DIN, GB, JIS

Dimensions:  DIA: Max 800mm         Technique:  Hot Rolled or Forged    

Application:  Die Steel Bar             Alloy Or Not:  Is Alloy             

Special Use:  Mold Steel               Shape:  Round bars/Flat bar/Plate  

Heat treatment:  Annealing/Q+T        Test:  SGS/UT100%/Elements testing

Certificate:  ISO/Mill certificate

Technology:  Hot Rolled/Forged/Clod Drawn

Surface treatment:  Black/Peeling/Polishing/Machined     

Model Number:  4140/1.7225/42CrMo/SCM44/42CrMo4

 

Delivery condition:  Hot rolled or forged/ Peeled or black surface/annealed or QT

Packaging Details: seaworthy packing; 20ft: GW:17.5T; (5.80mX2.13mX2.18m,) 40ft: GW:22T; (11.8mX2.13mX2.18m,)

 

Description:

1,Size of 4140 Steel Round Bar

Round bar

Diameter(mm)

Length (mm)

20~800

3000~9000

Plate

Thickness(mm) 

Width (mm)  

Length (mm)   

Max:800

Max:2200

Max:9000

The specification can be customized.

 2,Chemical Compositions

Grade

C

Si

Mn

P

S

Cr

Mo

Ni

42CrMo

0.38~0.45

0.17~0.37

0.50~0.8

≤0.035

≤0.035

0.9~1.2

0.15-0.25

≤0.3

4140

0.40~0.45

0.15~0.35

0.75~1.0

≤0.035

≤0.040

0.8~1.1

0.15-0.25

-

SCM44

0.38~0.43

0.15~0.35

0.60~0.9

≤0.030

≤0.030

0.9~1.2

0.15-0.30

≤0.25

1.7225

0.38~0.45

≤0.40

0.60~0.9

≤0.025

≤0.035

0.9~1.2

0.15-0.30

3,Features of 4140 alloy steel

1, Chromium molybdenum alloy steel 

2, Slightly higher carbon content then 4130

3, Greater strength and heat treatment 

4,Typical Applications 

1, Applications in the oil and gas sector

2, Connection rods, collets, conveyor pins, 

3, Gears, stem assemblies, 

4, Pump shafts and tool holders

Reference picture

SAE4140 Steel Round BarBoard with Good Quality

SAE4140 Steel Round BarBoard with Good Quality

 

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