AISI 5140 JIS SCr440 / 40Cr Forged Round Bar Hot Rolled OD 430mm

AISI 5140 JIS SCr440 / 40Cr Forged Steel Round Rod Hot Rolled OD 430mm Steel Bar

40Cr steel round bar
1.Steel grade:

GB:40Cr          AISI:5140      JIS:SCr440        DIN:1.7035                                                                        

2.Chemical composition(%):

3.Size:

Round       dia:50-350mm length: 6-11m                                                                                               

4.Deliver condition: forged+black surface+Peeled                                                                              

5.Test:Ultrasonic test according to SEP 1921                                                                                       

6.Application:

Mainly used to make various alloy structural parts and components, such as station boiler superheater collector, large-diameter pipe plate structure, various shaft,gear,gear ro                                               

7.The advantage of us

* Fast response in reply
* Good communication sales with reasonable price.
* Good quality materials.
* Mix order in small quantities and large order is acceptable
* Fast lead time.
* Rich experience in export business.
* Well after sales service.
* Flexible policy.                                                                                                                                       

8.packing

1.Big outer diameter: in bulk
2.Small outer diameter: packed by steel strips
3.woven cloth with 7 slats 
4.according to the requirements of customers     

1.Application:

Used to manufacture medium speed and medium load parts after quenched and tempered, such as gear, shaft, worm, spline shaft, centre sleeve, etc.
Used to manufacture high hardness surface and wear resistance parts after high frequency case hardening and tempered, such as gear, main shaft, bent axle, mandrel, sleeve, pin, connecting rod, screw, nut, etc.
Used to manufacture high load and medium speed impact parts after quendced and medium temperature tempered, such as pump rotor, slider block, main shaft, lantern ring, etc.
Used to manufacture high load, low speed impact and wear resistance parts after quenched and low temperature tempered, such as shaft, main shaft, worm, lantern ring, etc.
Used to manufacture big size and high low-temperature impact toughness driving parts after carbonitriding, such as shaft, gear, etc.

2, Chemical Composition

3,Properties: