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Quick Details

  • Steel Grade: 4340/34CrNiMo6/EN24/817M40/SNCM439/40NiCrMo6/1.6565
  • Standard: AISI, ASTM, BS, DIN, GB, JIS
  • Dimensions: Dia:10mm-300mm
  • Place of Origin: Shanghai, China (Mainland)
  • Brand Name: Unite Steel
  • Model Number: Round Bar
  • Technique: Hot Rolled
  • Alloy Or Not: Is Alloy
  • Type: Alloy Steel Bar
  • Sample: Free or available

Packaging & Delivery

Packaging Details: Standard seaworthy packing or as your request.

Stockist SAE 4340 Hot Rolled Alloy Steel Round Bar

 

 

Chemical Composition

C

Si

Mn

S

P

Cr

Ni

Mo

0.37-0.44

0.17-0.37

0.50-0.80

0.040(max)

0.035(max)

0.60-0.90

1.25-1.65

0.15-0.25

 

Mechanical Properties

Tensile Strength

Yield Strength

Elongation

AKV

Reduction of Area

980MPa

785MPa

9%

47J

40%

 

Dimensional Range

 

Hot-rolled

Cold-drawn

Forged

Round

10mm-300mm

16mm-70mm

250mm-800mm

Square

20*20mm-130*130mm

10*10mm-80*80mm

Your requirements

Flat

Thickness:12mm-100mm

Width: 20mm-150mm

Thickness:6mm-70mm

Width:16mm-80mm

Your requirements

 

 

 

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