TitleProduct

Steel 4140 / 4140 Round Steel Bar / AISI 4140 Steel

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Shandong

  • Validity to:

    Long-term effective

  • Last update:

    2017-09-25 14:56

  • Browse the number:

    143

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Company Profile

Qingdao Helio Steel Co., Ltd.

By certification [File Integrity]

Contact:Miss Phoebe(Mr.)  

Email:

Telephone:

Phone:

Area:Shandong

Address:Shandong

Website: http://hailida-0618.auto-charge.net/

PRODUCT DETAILS
Steel 4140 / 4140 round steel BAR / AISI 4140 steel
Aisi 4140 Steel Alloy Steel SAE 1045 4140 4340 8620 8640
hot sale aisi 4140 steel round bar
1.7225/4140 Alloy Steel/SAE 4140 Steel Price for 4140 round bar
aisi 4140 carbon alloy steel round bars
steel 4140 / 4140 properties / aisi 4140

1.Size details

Sizes details
diameter 16-310mm
length 1-12m(canbe customerized)
Sizes tolerance length -0/50mm(max)
Straightness 3mm/m(max)

2.Chemical composition
 
Standard Grade C Cr Mo Si Mn P S
GB 42CrMo 0.38-0.45 0.90-1.20 0.15-0.25 0.17-0.37 0.50-0.80 0.035 0.035
JIS SCM440 0.38-0.43 0.90-1.20 0.15-0.30 0.15-0.35 0.60-0.90 0.03 0.03
ASTM 4140 0.38-0.43 0.80-1.10 0.15-0.25 0.15-0.35 0.75-1.00 0.035 0.04
ENISO 42CrMo4 0.38-0.45 0.90-1.20 0.15-0.30 ≤0.40 0.60-0.90 0.035 0.035
1.7225

3.Mechenical property
Tensile Strength Yield Strength Elongation Reduction I mpacting Energy HBW
Rm,MPa Rel,MPa A,%  Z,% Aku,J
          After annealing
≥1080 ≥930 ≥12 ≥45 ≥63 217


4.Packing:
1): Paint oil on the surface to protect steel bars from rusting.
2): Bundle packing by Iron Strips.
3): Bundle weight is from 2mt to 3 mt.
4): Two or three tags will be attached on each bundle.
 
5.Quality control
1.Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2.Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3.Grain Sizes:5-8

contact person
Ms. Phoebe Chen
Mobile 86 18963469091