1.7108
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Specification 1.7108 datasheet, 1.7108 Chemical, Ring forging 1.7108 Bar - steelmaking, 1.7108 ESR, Blooming, Forging, Rolling, Heat treat, Straightened, Ultrasonic test, Cold working, Machined. We also possess advanced precision machining equipments for further processing.
Technical Standards - DIN 17221 (1988) or by agreement.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL SPECIFICATION DATASHEET - DIN 1.7108
MATERIAL CATEGORY - Spring steel
MATERIAL SPECIFICATIONS - DIN 17221 (1988)
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.57～0.65
Si (％): 1.50～1.80
Mn (％): 0.70～1.00
P (％)≤: 0.030
S (％)≤: 0.030
Cr (％): 0.20～0.40
Mo (％): -
Si (％): 1.50～1.80
Mn (％): 0.70～1.00
P (％)≤: 0.030
S (％)≤: 0.030
Cr (％): 0.20～0.40
Mo (％): -
Others (％): Cu + 10Sn +/-0.60
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Dimension scope /mm |Flat bar: 20
Dimension scope /mm |Round bar: 40
Tensile strength, ≥|σb/MPa: 1320～1570
Yield strength, ≥|σs/MPa: 1130
Elongation, ≥|δ5(%): 6.0
Reduction of area, ≥|ψ(%): 30
Impact strength, ≥|AKv - DVM-V /J: 21
Dimension scope /mm |Round bar: 40
Tensile strength, ≥|σb/MPa: 1320～1570
Yield strength, ≥|σs/MPa: 1130
Elongation, ≥|δ5(%): 6.0
Reduction of area, ≥|ψ(%): 30
Impact strength, ≥|AKv - DVM-V /J: 21
HOT WORKING AND HEAT TREATMENT
Hot working temperature /℃: 1050～850
Thermal forming temperature /℃: 900～830
/℃|Annealed: 640～680
/℃|Normalized: 850～880
/℃|Quenched: 830～860 oil cooled
/℃|Tempered: 350～550
Annealed hardness ≤HBS: 255
Thermal forming temperature /℃: 900～830
/℃|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 EAF / BEF 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 - solution treatment
The alloy is usually produced by EAF / BEF 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 - solution treatment
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter1): 5.5mm to 450mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / Wire rod (Diameter1): 5.5mm to 450mm
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: T60 - 400mm X W60 - 1000mm X L1000 - 12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W100 - 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.
Sheet steel via cold rolled: T0.5 - 6mm X W100 - 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.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, E-mail: sales@ccsteels.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, E-mail: sales@ccsteels.com
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