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Brand Name : | UST |
Model Number : | 15CrNi6/1.5919 |
Certification : | ISO |
Price : | |
Payment Terms : | L/C, T/T |
Supply Ability : | 800 ton/month |
Delivery Time : | 4-6 weeks |
15CrNi6/1.5919 Quality Alloy Steel Black Bar
15CrNi6/1.5919 is a low-alloy steel containing chromium and Nickel as strengthening elements.It has good mechanical property for highly strained parts and good toughness at core tensile strength of 900 – 1200 N/mm². This materail is generally used driving bevel gears, crown wheels, gears, shafts, bolts for automotive and gear components.
Equivalent Grade Chemical Composition | |||||||||
National Standard | Grade | C% | Si% | Mn% | Cr% | Mo% | Ni% | P% | S% |
DIN | 15CrNi6 (1.5919) | 0.14-0.19 | ≤0.4 | 0.4-0.6 | 1.4-1.7 | - | 1.4-1.7 | ≤0.025 | ≤0.035 |
Size&Tolerance&Process | ||||
Shape | Size(mm) | Process | Tolerance | Length(mm) |
Round | Φ6-Φ50 | Cold Drawn | H11 | 3000-5800 |
Round | Φ40-Φ300 | Hot Rolled | -0/+3mm | 3000-10000 |
Round | Φ120-Φ1000 | Hot Forged | -0/+3mm | 3000-10000 |
Flat/Square/Block | Thickness:120-800 Width:120-1500 | Hot Forged | -0/+3mm | 500-6000 |
Heat Treatment
Normalizing For 15CrNi6
1.Nominal normalizing temperature:850-880°C
2.Hold the temperature for several hours
3.Cooling in the air
Annealing For 15CrNi6
1.Nominal Annealing temperature:650-700°C
2.Cool slowly in the furance
3.Maximum Brinell hardness of 229
Hardening and Tempering(QT) For 15CrNi6
1.Nominal Hardening temperature:820-870°C
2.Hold at this temperature then quench in oil or water
3.Tempering as soon as possible when the temperature low to ambient
4.Heat uniformly to the suitable temperature.
5.keep the material out of the furnace ,then cool in the air
Mechanical Property( for reference only)
1.Tensile strength: 880-1100MPa
2.Yield point: 635MPa
3.Percentage reduction of area after fracture: 40%
4.Elongation after fracture: 11%
5.Impact test (+20°C): Longitud – 40~60J
Delivery Condition
1.Shape:Round/Square / Flat/Shafts/Rollers/Blocks
2.Surface condition:Black surface/Bright surface
3.Heat Treatment:Normalized/Annealed/QT
4.Straightness:Max 3mm/m(Enhanced straightness may be available on
request)
5.Length:3000-5800mm suitable for 20″container. above
6000mm,suitable for 40″ container
6.Grain Size: 5-8 acc to ASTM E112-96
7.Ultrasonic Standard: Sep1921/ASTM A388/EN 10228-3
8.Non Metallic Inclusion: 2 max acc to ASTM E45 /K4≤20 acc to DIN
50602
9.Forging Ratio: minimum 4 : 1
10.Marking: Grade/Weight/Length/Size/Heat Number
Quality Certification
A material test report(Inspection Certificate EN 10204 3.1) will be
provided, documenting the following:
1.Chemical analysis
2.Mechanical properties
3.Surface hardness
4.Non Metallic Inclusion
5.Heat Treatment Process
6.Grain size
7.Forging ratio
8.NDE test method/criteria
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