1.8505
2015-01-29 11:12:23 Origin： Remark：0 Click：
Description 1.8505 Inventory, Suppliers 1.8505 wire rod, Ex-stock 1.8505 Forgings Properties from steelmaking, ESR, blooming, forging, rolling, heat treat, straightened, ultrasonic test, cold working, machined. We also possess advanced precision machining equipments for further processing.
Material specification - DIN EN 10084 (1998), DIN 17210 (1986)
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL SPECIFICATION DATASHEET - DIN 32CrAlMo7-10 & W-Nr 1.8505
MATERIAL CATEGORY: Carburized structural steel
PRODUCT DESCRIPTION
Proven performance in long-term service.
Extensive database of long term, high temperature test results.
High room and elevated temperature strength.Good creep.
High notch tolerance.
Thermal expansion coefficients compatible with low alloy steel turbine casing materials.
Lower design and operating risks
Simplified design for bolting configuration compared with martensitic steels or high nickel alloys.
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
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 annealed condition, or bright annealing specialFinal heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS - DIN EN 10085 (2001), DIN 17211 (1987)
CHEMICAL COMPOSITION (Mass weight - %)
C (％): 0.28 ~ 0.35
Si (％): ≤ 0.40
Mn (％): 0.40 ~ 0.70
P (％)≤: 0.025
S (％)≤: 0.035
Cr (％): 1.50 ~ 1.80
Mo (％): 0.20 ~ 0.40
Al (％): 0.80 ~ 1.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1050～850
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|quenching: 900~930 Water,910~940 Oil
Heat treatment temperature /℃|tempering: 570～650
Heat treatment temperature /℃|carburizing: 500～520
Hardness after annealing HBS≤: 248
Size /mm: ≤40
Tensile strength, ≥|σb/MPa: 1000
Yield strength, ≥|σs≥/MPa: 600
Elongation, ≥|δ5(％)≥: 14.0
Impact strength, ≥|AKV/J (DVM-V form sampling): 40
Hardness of Carburized layer |HV: 950
AVAILABLE SHAPES
Round bar / flat bar / hollow bar / strip / sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W10 - 1500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W6 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
MATERIAL SPECIFICATIONS - DIN EN 10085 (2001), DIN 17211 (1987)
CHEMICAL COMPOSITION (Mass weight - %)
C (％): 0.28 ~ 0.35
Si (％): ≤ 0.40
Mn (％): 0.40 ~ 0.70
P (％)≤: 0.025
S (％)≤: 0.035
Cr (％): 1.50 ~ 1.80
Mo (％): 0.20 ~ 0.40
Al (％): 0.80 ~ 1.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1050～850
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|quenching: 900~930 Water,910~940 Oil
Heat treatment temperature /℃|tempering: 570～650
Heat treatment temperature /℃|carburizing: 500～520
Hardness after annealing HBS≤: 248
Size /mm: ≤40
Tensile strength, ≥|σb/MPa: 1000
Yield strength, ≥|σs≥/MPa: 600
Elongation, ≥|δ5(％)≥: 14.0
Impact strength, ≥|AKV/J (DVM-V form sampling): 40
Hardness of Carburized layer |HV: 950
AVAILABLE SHAPES
Round bar / flat bar / hollow bar / strip / sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W10 - 1500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W6 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods.Process plant – fasteners.Mechanical gears, gear shaft, main axis, valve rod.Mechanical parts - connecting rod, bolt and nut.Multidiameter shaft and pressure vessel.
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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