51CrMoV4
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DIN 17221 (1988) of Grade 51CrMoV4 Round bar, Wire 51CrMoV4 Stocklist, Inventory forging - steelmaking, ESR, Blooming, Forging, Rolling, Heat treatment, Straightened,
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL DATA SHEET - Grade DIN 51CrMoV4
MATERIAL CATEGORY - Spring steel
MATERIAL SPECIFICATIONS - DIN 17221 (1988)
CHEMICAL COMPOSITION ( mass weight - %)
Carbon, C (％): 0.48 ~ 0.56
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.70 ~ 1.10
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): 0.15 ~ 0.30
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.70 ~ 1.10
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): 0.15 ~ 0.30
Vanadium, V (％): 0.10 ~ 0.20
Others (%): Cu+10Sn ±0.60
MECHANICAL PROPERTIES AT ROOM TEMPERATURE
Dimension scope /mm|Flat bar: 40
Dimension scope /mm|Round bar: 60
Tensile strength, ≥| σb/MPa: 1370～1670
Yield strength, ≥| σs/MPa: 1175
Elongation, ≥| δ5(%): 6.0
Reduction of area, ≥| ψ(%): -
≥|AKv - DVM-V /J: -
Dimension scope /mm|Round bar: 60
Tensile strength, ≥| σb/MPa: 1370～1670
Yield strength, ≥| σs/MPa: 1175
Elongation, ≥| δ5(%): 6.0
Reduction of area, ≥| ψ(%): -
≥|AKv - DVM-V /J: -
HOT WORKING AND HEAT TREATMENT CYCLE
Hot working temperature /℃: 1050～850
Thermal forming temperature /℃: 920～830
/℃|Annealed: 640～680
/℃|Normalized: 850～880
/℃|Quenched: 830～860 oil cooled
/℃|Tempered: 350～550
Annealed hardness ≤HBS: 255
Thermal forming temperature /℃: 920～830
/℃|Annealed: 640～680
/℃|Normalized: 850～880
/℃|Quenched: 830～860 oil cooled
/℃|Tempered: 350～550
Annealed hardness ≤HBS: 255
PRODUCT DESCRIPTION
The alloy is usually produced by LF /EAF /IFF /VD followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment - Quenched and tempered.
The alloy is usually produced by LF /EAF /IFF /VD followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment - Quenched and tempered.
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter1): 5.5mm to 550mm
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 - 300mm X W70 - 1200mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W10 - 500mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
Round bar / Wire rod (Diameter1): 5.5mm to 550mm
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 - 300mm X W70 - 1200mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W10 - 500mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
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.
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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