Martensitic steel 10705BA
2026-07-30 09:15:59 Origin： Remark：0 Click：
Martensitic 12% Chromium bar and forge piece for Turbine blade steel 10705BA barstock, flat bar, plate, ESR 10705BA tubings, 980 ℃ quenched heat treated
TECHNICAL DATA SHEET - 10705BA
Material category: Martensitic 12% Chromium stainless steel
Stock on hand: round bar, flat bar, forging
Typical chemical elements (mass fraction - %)
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 AMBIENT TEMPERATURE
Tensile strentgh, ab / MPa: 650
Yield strength σ0.2 / MPa: 550
Yield strength σ0.2 / MPa: 550
Elongation, δ5 (％): 20.0
Reduction of area ф(％): 60.0
Hardness | HRB: 201 ~ 248
Reduction of area ф(％): 60.0
Hardness | HRB: 201 ~ 248
Impact Value (V-Notch charpy), RT: 35J
HEAT TREATMENT PRACTICE
Quenching: 980 ℃ min., oil cooled
Tempering: 710 ℃ min., air cooled
Stress relieving: 670 ℃, air cooled
PRODUCT DESCRIPTION
10705BA 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.
Bars are usually supplied bright in the annealed condition.
Final heat treatment: quenched and tempered + SRA.
PRODUCT PROFILE & DIMENSIONS
Round bar & disc (diameter): 6.0 to 900 mm
Square bar & flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Round bar & disc (diameter): 6.0 to 900 mm
Square bar & flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy / middle plate: T6 ~ 350 X W20 ~ 1000 X L1000 ~ 6000mm
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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