10705BB / 10705BC
2025-06-16 16:07:00 Origin： Remark：0 Click：
Material specifications of 10705BB & 10705BC Round bar, Sheet, plate, ESR ingot, Stock available, Hot blooming / forging, Rolling, Heat treatment
TECHNICAL DATA SHEET - 10705BB & 10705BC
Official test certification: issued by TUV - SGS - BV
MATERIAL CATEGORY: Martensitic 12%Cr and forge piece for Turbine blades
CHEMICAL COMPOSITIONS (mass weight %)
Carbon, C (％): 0.10 ~ 0.15
Silicon, Si (％): ≤ 0.60
Manganese, Mn (％): ≤ 0.60
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 11.50 ~ 13.5
Nckel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): ≤ 0.60
Silicon, Si (％): ≤ 0.60
Manganese, Mn (％): ≤ 0.60
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 11.50 ~ 13.5
Nckel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): ≤ 0.60
Copper, Cu (%): ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Form: round bar, flat bar, forge piece, plate
Tensile strentgh, ab / MPa: 670 min.
Yield strength, σ0.2 / MPa: 525 min.
Yield strength, σ0.2 / MPa: 525 min.
Elongation, δ5 (％): ≥ 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 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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