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EN355 Hot Rolled Steel Bar , Q + T / Black Or Peeled Alloy Steel Bar

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EN355 Hot Rolled Steel Bar , Q + T / Black Or Peeled Alloy Steel Bar

Brand Name : Unite Steel

Model Number : Round bar

Certification : ISO/MTC/SGS/BV

Place of Origin : China

MOQ : MOQ : 2-3 Tons

Price : USD 700-1000 Ton

Payment Terms : D/A, D/P, L/C, D/P, T/T, Western Union

Supply Ability : 3000 Ton per Month

Delivery Time : Within 15-45 days

Packaging Details : Standard seaworthy packing

Product namr : EN355 Hot Rolled Steel Bar, Q+T/Black or Peeled , alloy steel bar

Process : EAF+LF+VOD+Rolled+Heat Treatment(optional)

Delivery condition : Annealed/hot rolled/cold drawn/quenched & tempered

Surface : Machined/peeled/polihsed/turned

UT : 100% ultrasonic inspection for any inperfections

Certificate : ISO 9001:2008/SGS/BV

Shape : Round section

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EN355 Hot Rolled Steel Bar , Q + T / Black Or Peeled Alloy Steel Bar

1.APPLICATIONS:

Heavy-duty arbors, bushings, wear pins,bearings, sprockets, gears and shafts etc.

Or can be used for high tensile applications uncarburised but through hardened and tempered. Severely stressed components for mechanical engineering and automobile industry .

EN355 Hot Rolled Steel Bar , Q + T / Black Or Peeled Alloy Steel Bar

2.RELATED SPECIFICATIONS:

Germany W.Nr. 1.6587
Great Britain EN 17CrNiMo7/EN 10084 DIN 18CrNiMo7-6/EN355, 822A17, 822H17, 817M17
USA AISI 4820
ISO 683-11 18CrNiMo7/683-17 18CrNiMo7-6

3.Chemical Composition (%):

Carbon 0.14-0.19

Silicon 0.15-0.40

Manganese 0.40-0.60

Phosphorus 0.035max

Sulphur 0.035 max

Nickel 1.40-1.70

Chromium 1.50-1.80

Molybdenum 0.25-0.35

4.Process: EAF+LF+VOD+ Rolled+Heat Treatment(optional)

EN355 Hot Rolled Steel Bar , Q + T / Black Or Peeled Alloy Steel Bar

SIZE RANGE:

Round:

Hot Rolled: 10mm-350mm

SURFACE FINISHES:

Black, Peeled(K12), Cold Drawn, Turned & Polished(H10, H11), Precision Ground(H9, H8)

Test: Ultrasonic test according to SEP 1921-84

Soft Annealing
Heat to 650-700oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 229.

Intermediate Annealing: 630-650oC.

Hardening
Carburising: 880-980oC.
Core Hardening: 830-870oC, water.
Case Hardening: 780-820oC, water.

Normalizing
Normalizing: 850-880oC, air.

Tempering
Tempering temperature: 150-200oC.

Soft annealed treated: max. 229 HB.
Treated for cold shearability: max. 255 HB.
Treated for strength: max. 229 HB.
Treated for ferite and pearlite structure and hardness range: 159-207 HB.


Product Tags:

alloy steel round bar

      

hot rolled round bar

      
Quality EN355 Hot Rolled Steel Bar , Q + T / Black Or Peeled Alloy Steel Bar for sale

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