Home> Products> Bright Steel Bar> Cold drawn, Peeled or Turned Ground and Polished Steel Bar> aisi4340 turned ground and polished shaft steel bar
aisi4340 turned ground and polished shaft steel bar
aisi4340 turned ground and polished shaft steel bar
aisi4340 turned ground and polished shaft steel bar
aisi4340 turned ground and polished shaft steel bar

aisi4340 turned ground and polished shaft steel bar

$800-1100 /Metric Ton

Product Attributes

Place Of OriginChina

Packaging & Delivery
Selling Units : Metric Ton
bright Steel
Product Description

aisi 4340 turned ground and polished steel bar

 

4340 steel grade is one kind of nickel chromium molybdenum alloy steel known for it's toughness and ability to attach high strength and hardness after quenching and tempering.  4340 steel material is one steel grade in American standard. It's similar steel materials are aisi 4340, sae 4340, astm 4340, 40CrNiMoA, 34CrNiMo6 etc. It is one high alloy steel with high steel mechanical properties. As a steel factory, we can produce 4340 Cold Drawn Steel Round Bar, 4340 peeled steel round bar, 4340 turned steel round bar, 4340 ground and polished steel round bar, 4340 Annealed Steel Bar, 4340 Normalized Steel Bar, 4340 Quenched And Tempered Steel Bar. We can also supply competitive price raw material 4340 Hot Rolled Steel Round Bar.

Qt Bright Bar Jpg


4340 material peeled steel bar we supply includes following advantages:

。 Consistent mechanical properties

。 Deep mechanical properties (from surface to the center according to your requirement)

。 Even hardness on the whole bars

。 Tougher and Increased strength

。 No brittle, UT testing

。 Precision size tolerance

。 Good straightness

。 Good Roughness

。 Professional technical service

。 Competitive price

。 Fast delivery

 

1. 4340 steel equivalent material:

GB

JIS

ASTM/AISI/SAE

40CrNiMo(A)

SNCM439

4340

5. 4340 steel Chemical composition:

 

C

SI

MN

S

P

Cr

Mo

Ni

40CrNiMo(A)

0.37-0.44

0.17-0.37

0.50-0.80

0.035 (max)

0.035 (max)

0.60-0.90

0.15-0.25

1.25-1.65

SNCM439

0.36-0.43

0.15-0.35

0.60-0.90

0.030 (max)

0.030 (max)

0.60-1.00

0.15-0.35

1.65-2.00

aisi 4340

0.38-0.43

0.15-0.35

0.60-0.80

0.035 (max)

0.035 (max)

0.70-0.90

0.20-0.30

1.65-2.00

6. 4340 steel Mechanical Properties:

Yield Strength(MPa)

Tensile Strength(MPa)

Elongation(%)

AKV

835(min)

985(min)

12(min)

55(min)

Note: The mechanical properties can be adjusted according to heat treatment based on your requirement.

4. 4340 steel applications:

sncm439 steel can be used to produce commercial and aircraft, automobile systems, forged hydraulic and other machine tools like forged steel crankshafts.

duce further processing bars like Cold Drawn Steel Bar, peeled steel bar, ground and polished Bright Steel Bar , heat treated steel bars such as annealed steel bar, Normalized Steel bar, quenched and tempered steel bars. We also have threading machine with which we can also supply Threaded Rods . We can also do other processing services like cutting in pieces, straightening, shot blasting and chamfering. We can supply different quality products according to your usage. We aim to supply you steel solutions to decrease your production cost and increase your commercial value. We welcome your commnucation if any demands or technical questions. Our full sets of production facilities and advanced and complete testing equipment can help you.

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