Scm415 Scm435 Scm440 Alloy Steel Bar /4140 Material Heat Treatment

Model NO.
SCM415 SCM435 SCM440
Techniques
Quenched and Tempered
Condition
AISI/SAE 4140+Qt
Products
4135 Scm435 Qt Alloy Steel Round Bars
Diameter
12mm to 1000mm
Delievery Condition
Qt Alloy Steel Round Bars
Commodition
4135 Scm435 Quenched & Tempered
Steel Grade
Scm435 4135 35CrMoA
Transport Package
Standard Export Packing
Specification
Diameter 12mm to 1000mm
Origin
China
HS Code
72283090
Production Capacity
3000tons/Month
Reference Price
$ 675.00 - 900.00
Contact Us

Product Description

SCM415 SCM435 SCM440 alloy steel bar /4140 material heat treatment 


1.Applications of Heat-Treatable Steel 
The i Machine construction, machine parts, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts, and so on.

2.Sizes range of QT steel bars we can supply :
Delivery condition Diameter ranges
Hot tolled M12-M310
Hot rolled+Q&T(Quenched and tempered) M12-M310.
Cold drawn +Q&T(Quenched and tempered) M10-M100
Peeled / Peeled+Q&T M10-M100
Forged/Forged+Heat treatment. M250-M1000

3.Offered Steel chemical composition:
Grade C Si Mn S P Cr Ni Cu Mo
SCM415 0.13 0.15 0.6 Max   Max   0.9 Max   Max   0.15
0.18 0.35 0.85 0.03 0.03 1.1 0.03 0.03 0.03
SCM420 0.17 0.17 0.4 Max   Max   0.8 Max   Max   0.15
0.24 0.37 0.7 0.03 0.03 1.1 0.03 0.03 0.25
SCM430/4130 0.26 0.17 0.4 Max   Max   0.8 Max   Max   0.15
0.34 0.37 0.7 0.03 0.03 1.1 0.03 0.03 0.25
SCM435/4135 0.32 0.17 0.4 Max   Max   0.8 Max   Max   0.15
0.4 0.37 0.7 0.03 0.03 1.1 0.03 0.03 0.25
SCM440/4140 0.38 Max   0.6 Max   Max   0.9 Max   Max   0.15
0.45 0.4 0.9 0.035 0.035 1.2 0.03 0.03 0.3
SCM450/4150 0.48 Max 0.6 Max   Max   0.9 Max   Max   0.15
0.53 0.4 0.9 0.035 0.035 1.2 0.03 0.03 0.3

4. 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
4. non-metallic inclusions contorlling level
  A B C D
  MAX MAX MAX MAX
Thin 2 2 2 2
Thick 1 1 1 1


5.Delivery time of steel bar :
7-10days of stock,30 days after order confirmed for new produced .
6.Payment term :TT or LC
7.Free sample:Yes
8.steel bar  Inspection:  Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT test and so on. 
9.Mark: Heat Number,Weight,Sizes,Grade,etc
Scm415 Scm435 Scm440 Alloy Steel Bar /4140 Material Heat Treatment
Scm415 Scm435 Scm440 Alloy Steel Bar /4140 Material Heat Treatment
Scm415 Scm435 Scm440 Alloy Steel Bar /4140 Material Heat Treatment
Scm415 Scm435 Scm440 Alloy Steel Bar /4140 Material Heat Treatment

 

 

Steel Round Bar

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