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
Description
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 :
3.Offered Steel chemical composition:
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
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
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
Steel Round Bar
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