10705BB / 10705BC
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Material specifications of 10705BB & 10705BC datasheet,10705BB & 10705BC Chemical,10705BB Ring forging, 10705BB Bar, 10705BC Sheet - steelmaking, ESR, Blooming,Forging, Rolling, Heat treatment, Straightened, 100% Ultrasonic test, Cold working, Machined. We also possess advanced precision machining equipments for further processing.
TECHNICAL DATASHEET - Grade 10705BB & 10705BC
Official test certification: issued by TUV - SGS - BV
MATERIAL CATEGORY: Martensitic 12%Cr and forge piece for Turbine blades
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.10 ~ 0.15
Si (％): ≤ 0.60
Mn (％): ≤ 0.60
P (％)≤: 0.025
S (％)≤: 0.015
Cr (％): 11.50 ~ 13.5
Ni (％): ≤ 0.60
Mo (％): ≤ 0.60
Si (％): ≤ 0.60
Mn (％): ≤ 0.60
P (％)≤: 0.025
S (％)≤: 0.015
Cr (％): 11.50 ~ 13.5
Ni (％): ≤ 0.60
Mo (％): ≤ 0.60
Cu (%): ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Form: Bar, Flat bar, Forge piece
Tensile strentgh, ab/MPa: 670
Yield strength σ0.2/MPa: 525
Yield strength σ0.2/MPa: 525
Elongation δ(％): 20.0
Reduction of area ф(％): 60.0
Hardness | HRB: 201 ~ 255
Reduction of area ф(％): 60.0
Hardness | HRB: 201 ~ 255
Impact Value (V-Notch charpy), RT: 45J
HEAT TREATMENT PRACTICE
Quenching: 980 ℃ min., oil cooled
Tempering: 710 ℃ min., air cooled
Stress relieving: 670 ℃, air cooled
PRODUCT DESCRIPTION
The alloy is usually produced by BEF / AOD followed by electroslag refining (ESR) / VAR 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
If you meet further on any technical enquiry. pleased to EMAIL (lh.steel@hotmail.com ) our resident team of qualified production engineers.
The alloy is usually produced by BEF / AOD followed by electroslag refining (ESR) / VAR 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
If you meet further on any technical enquiry. pleased to EMAIL (lh.steel@hotmail.com ) our resident team of qualified production engineers.
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