Martensitic blade steel 10705BC
2026-07-29 15:35:00 Origin： Remark：0 Click：
Martensitic 12% Chromium bar and forge piece for turbine blade steel 10705BC round bar, flat bar, ESR ingot, hot forged, rolled, 10705BC heat treated
TECHNICAL DATA SHEET - 10705BC
STOCK AVAILABLE: round bar, flat bar, forging
MATERIAL CATEGORY: Martensitic 12% Chromium bars and forge piece for Turbine blades
TYPICAL 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
Nickel, 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
Nickel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): ≤ 0.60
Copper, Cu (%): ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Form: Round bar, flat bar, square bar, forge pieces, valve body
Tensile strentgh, Rm / MPa: 650
Yield strength, Rp0.2 / MPa: 550
Yield strength, Rp0.2 / MPa: 550
Elongation, A5 (％): 20.0
Reduction of area, Z (％): 60.0
Hardness | HBW: 201 ~ 248
Reduction of area, Z (％): 60.0
Hardness | HBW: 201 ~ 248
Impact strength, AKv (V-Notch charpy), RT: 82J
PRODUCT DESCRIPTION
The alloy is usually produced by EF / 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 + SRA.
The alloy is usually produced by EF / 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 + SRA.
PRODUCT PROFILE & DIMENSIONS
Rod & round bar & disc (diameter): 6.0 to 900 mm
Square bar & flat bar: 10 to 800mm
Length: random length or based on the customer's special requirement.
Rod & round bar & disc (diameter): 6.0 to 900 mm
Square bar & flat bar: 10 to 800mm
Length: random length or based on the customer's special requirement.
Heavy / middle plate via hot rolled or forged: T6 ~ 400 X W50 ~ 1000 X L1000 ~ 5000mm
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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