1.2369
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Specifications 1.2369 Round bar, flat bar, plate Steelmelting, ESR melted, Hot forging / Hot rolling, Heat treatment, 100% Ultrasonic test, Cold working or rough turned machining.
MATERIAL DATASHEET - W-Nr 1.2369
MATERIAL CATEGORY - Cold work alloy tool steel
TYPICAL APPLICATIONS
Alloy tool steel is widely used to produce the cutting tool, cold/heat distortion mould and measuring implements, and further to manufacture the piston, valve, valve seat of fuel pump of diesel engine.
Cutting tools, Mechanical parts, Air hammer tools, Piercing tools.
PRODUCT DESCRIPTION
The alloy is usually produced by EAF /VD /LF /IFF followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the
buyers' requirements.
Bars are usually supplied bright (peeling or centreless grinding) in the softened condition.
Final heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS - EN ISO 4957: 2000 , DIN 17350 (1980)
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 1000mm
Plate / Sheet steel / Steel strip: 0.5mm to 1000mm
Width: 8mm to 1500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.77 ~ 0.85
Si (％): ≤ 0.25
Mn (％): ≤ 0.35
P (％)≤: 0.025
S (％)≤: 0.020
Cr (％): 3.75 ~ 4.25
Mo (％): 4.00 ~ 4.50
V (％): 0.90 ~ 1.10
Si (％): ≤ 0.25
Mn (％): ≤ 0.35
P (％)≤: 0.025
S (％)≤: 0.020
Cr (％): 3.75 ~ 4.25
Mo (％): 4.00 ~ 4.50
V (％): 0.90 ~ 1.10
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃: 1050～850
Annealing temperature /℃: 800～840
Hardness after annealing ≤HBW: 250
Annealing temperature /℃: 800～840
Hardness after annealing ≤HBW: 250
Quenching temperature /℃: 1070～1100
Cooling medium: oil
Common tempering temperature /℃: ≥550
Hardness after tempering at temperature HRC|100℃: 61
Hardness after tempering at temperature HRC|200℃: 60
Hardness after tempering at temperature HRC|300℃: 57
Hardness after tempering at temperature HRC|400℃: 57
Cooling medium: oil
Common tempering temperature /℃: ≥550
Hardness after tempering at temperature HRC|100℃: 61
Hardness after tempering at temperature HRC|200℃: 60
Hardness after tempering at temperature HRC|300℃: 57
Hardness after tempering at temperature HRC|400℃: 57
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.Email: sales@ccsteels.com
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