20Cr Steel Round Bar SAE520 Steel Round Bar

Type: Alloy Steel Shape: Steel Round Bar

 20Cr Steel Round Bar SAE520 Steel Round Bar

 

Product Description:

1.Standard:40Cr,20Cr, 40CrMo4,SCM440,AISI4140, etc.
2.Diameter:25mm-450mm

3.Length:5.8/6m-12m or as required

4.Application:re-manufacture, structural steel etc.

5.Certificates:ISO9001:2008,ISO14001:2004,OHSAS18001

6.Packing: In bundles,Standard export sea-worthy packing or as customer's requirement

7.Shipment: by bulk or by container

8.Quality Contation

Both end of each bar must be cut.

Ladle furnanced and vacuum de-gassed

Show heat No. on each bar

Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the 

billets. In case there is the above-mentioned defect, it shall be remove.

The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be 

within the limit stipulated in the contract.

 

Chemical composition:

Grade

C

Si

Mn

Cr

20Cr

0.18-0.24

0.17-0.37

0.5-0.8

0.7-0.9

Specification:

OD

Length

Material

Standard

Technique

16-260mm

6-12m or aques per request

20#

GB ASTM DIN

Hot rolled

16-350mm

45#

200-500mm

45#

Forged

20-250mm

20Cr,40Cr,20-42CrMo

Hot rolled

50-300mm

GCr15

 

Application:

Hot rolled alloy structure steel round bar are widely used in machinery making, autombile making, railway, mine machinery, petoleum machinry, agricultural machinery and civil archtectue such as all kinds of shafts, screws, connecting rods, hardware tools, gears, standard parts, spanners fasteners, structural parts for automobile and agricultural machinery, outer and iner sleeves, rollers and balls for bearing making.

 

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