1.2305
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Technical specifications of EN ISO 4957: 2000 & DIN 17350 (1980) cold work tool steel, 1.2305 Chemical compositions, 1.2305 Mechanical properties from steelmaking, 1.2305 hot forging, hot rolling, heat treatment,Straightening, 100% Ultrasonic test, Cold worked or Machined. Technical specifications - ISO 4957 - 2000.
DIN 102CrMo6 & W-Nr 1.2305 - DATA SHEET
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 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 in the softened condition.
Final heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS
EN ISO 4957: 2000 , DIN 17350 (1980)
AVAILABLE SHAPES
Black bar /Flat bar /Square bar
Bright - peeled + polishing /centerless grinding / peeled + slidabrading
Forged - ring /tube /pipe casing /discs /shaft
CHEMICAL COMPOSITION (WEIGHT %) - DIN 102CrMo6 / W-Nr 1.2305
C (％): 0.98 ~ 1.05
Si (％): 0.50 ~ 0.65
Mn (％): 1.00 ~ 1.15
P (％)≤: 0.020
S (％)≤: 0.020
Cr (％): 1.40 ~ 1.60
Mo (％): 0.12 ~ 0.17
V (％): —
Si (％): 0.50 ~ 0.65
Mn (％): 1.00 ~ 1.15
P (％)≤: 0.020
S (％)≤: 0.020
Cr (％): 1.40 ~ 1.60
Mo (％): 0.12 ~ 0.17
V (％): —
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃: 1000～850
Annealing temperature /℃: 740～770
Hardness after annealing ≤HBW: 230
Annealing temperature /℃: 740～770
Hardness after annealing ≤HBW: 230
Quenching temperature /℃: 830～860
Cooling medium: oil
Common tempering temperature /℃: 180~250
Hardness after tempering at temperature HRC|100℃: 64
Hardness after tempering at temperature HRC|200℃: 63
Hardness after tempering at temperature HRC|300℃: 60
Hardness after tempering at temperature HRC|400℃: --
Cooling medium: oil
Common tempering temperature /℃: 180~250
Hardness after tempering at temperature HRC|100℃: 64
Hardness after tempering at temperature HRC|200℃: 63
Hardness after tempering at temperature HRC|300℃: 60
Hardness after tempering at temperature HRC|400℃: --
INVENTORY - hot rolled bar
Diameter: 125mm
Quantity: 1458 kgs
Diameter: 125mm
Quantity: 1458 kgs
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers. E-mail: sales@ccsteels.com
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 0.50mm to 600mm
Square bar / Flat bar: 3mm to 600mm
Plate / Sheet steel / Steel strip: 0.5mm to 1200mm
Width: 8mm to 1000mm
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.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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