X102CrMo17
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Material specification X102CrMo17 datasheet,X102CrMo17 Chemical, Ring forging,X102CrMo17 Bar, Wire rod, Sheet - steelmaking, DIN X102CrMo17 ESR, Blooming, Forging, Rolling, X102CrMo17 Heat treatment
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL DATA SHEET - X108CrMo17 & X102CrMo17 & 1.3543
MATERIAL CATEGORY: Bearing steel
MATERIAL SPECIFICATIONS: DIN 17230 (1980)
CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 0.95～1.20
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 16.0～18.0
Molybdenum, Mo (％): 0.40～0.80
Ferrum, Fe (％): -
DIFFERENT HARDNESS OF BEARING STEEL
Annealed condition ≤HBS: 260
Quenched condition HRC| water quenched: 62
Quenched condition HRC| oil quenched: 62
HRC|100℃: 61
HRC|150℃: 60
HRC|200℃: 59
HRC|250℃: 57
HOT WORKING AND HEAT TREATMENT
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealed: 800～850
Heat treatment temperature /℃|normalized: -
Heat treatment temperature /℃|quenched: 1030～1060oil
Heat treatment temperature /℃|tempered: 100～200
PERFORMANCE REQUIREMENT
Higher contact fatigue strength
Superior hardness after heat treatment
Superior abrasive resistance,low friction coefficient
Superior limit of elasticity
Excellent impact toughness and fracture toughness
Excellent dimensional stability
Excellent anti-corrosion performance
Excellent cold,hot-working character
CLASSIFICATION AND APPLICATION
Bearing steel is a type of steel used in the field of fabricating the ball, pin roller, sleeve for antifriction bearing. and also measuring implements, cold-punching die, lead screw and precision components of diesel engine oil pump. Bearing steel is divided into high-carbon chromium bearing steel, carburizing bearing steel, stainless bearing steel, high temperature bearing steel, medium-carbon bearing steel.
Generally, condition of delivery is hot rolled+annealing, cold drawn+annealing.
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.
DIFFERENT HARDNESS OF BEARING STEEL
Annealed condition ≤HBS: 260
Quenched condition HRC| water quenched: 62
Quenched condition HRC| oil quenched: 62
HRC|100℃: 61
HRC|150℃: 60
HRC|200℃: 59
HRC|250℃: 57
HOT WORKING AND HEAT TREATMENT
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealed: 800～850
Heat treatment temperature /℃|normalized: -
Heat treatment temperature /℃|quenched: 1030～1060oil
Heat treatment temperature /℃|tempered: 100～200
PERFORMANCE REQUIREMENT
Higher contact fatigue strength
Superior hardness after heat treatment
Superior abrasive resistance,low friction coefficient
Superior limit of elasticity
Excellent impact toughness and fracture toughness
Excellent dimensional stability
Excellent anti-corrosion performance
Excellent cold,hot-working character
CLASSIFICATION AND APPLICATION
Bearing steel is a type of steel used in the field of fabricating the ball, pin roller, sleeve for antifriction bearing. and also measuring implements, cold-punching die, lead screw and precision components of diesel engine oil pump. Bearing steel is divided into high-carbon chromium bearing steel, carburizing bearing steel, stainless bearing steel, high temperature bearing steel, medium-carbon bearing steel.
Generally, condition of delivery is hot rolled+annealing, cold drawn+annealing.
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.
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