Martensitic blade steel 10705BU
2026-07-29 15:30:00 Origin： Remark：0 Click：
Martensitic corrosion resisting steel 10705BU Turbine blades steel round bar, flat bar 10705BU ESR ingot, stock available, hot forged, rolled, heat treated, cold finished
TECHNICAL DATA SHEET - 10705BU
Material category: martensitic high content chromium round bar and forging pieces.
Official test certificate - issued by TUV - SGS - BV
Melting process way: AOD / BEF / EAF + Consumable electrode remelted.
Stock available: round bar , flat bar, forgings
Stock available: round bar , flat bar, forgings
Typical chemical elements (mass fraction - %)
Carbon, C (％): 0.20 ~ 0.25
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.50 ~ 1.00
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 11.0 ~ 12.5
Nickel, Ni (％): 0.50 ~ 1.00
Molybdenum, Mo (％): 0.90 ~ 1.25
Tungsten, W (％): 0.90 ~ 1.25
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.50 ~ 1.00
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 11.0 ~ 12.5
Nickel, Ni (％): 0.50 ~ 1.00
Molybdenum, Mo (％): 0.90 ~ 1.25
Tungsten, W (％): 0.90 ~ 1.25
Vanadium, V (%): 0.20 ~ 0.30
TYPICAL MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition of heat treatmetn: +A
Tensile strength, σb ≥ MPa: -
Yield strength, σ0.2 ≥ MPa:-
Yield strength, σ0.2 ≥ MPa:-
Elongation, δ5 ≥ (％): -
Reduction of area, ф ≥ ( ％): -
Hardness | HRS: ≤ 248
Reduction of area, ф ≥ ( ％): -
Hardness | HRS: ≤ 248
Condition of heat treatment: Hardened 1022℃ ~ 1050℃ air or oil cooled, ≥ 620℃ X 2H, tempered
Tensile strength, σb ≥ MPa: 965
Yield strength, σ0.2 ≥ MPa: 760
Yield strength, σ0.2 ≥ MPa: 760
Elongation, δ5 ≥ (％): 13.0
Reduction of area , ф ≥ (％): 30.0
Hardness | HRS: 302 ~ 352
Reduction of area , ф ≥ (％): 30.0
Hardness | HRS: 302 ~ 352
Condition of heat treatment: Hardened 1022℃ ~ 1050℃ air or oil cooled, ≥ 677℃ X 2H, tempered
Tensile strength, σb ≥ MPa: 825
Yield strength, σ0.2 ≥ MPa: 585
Yield strength, σ0.2 ≥ MPa: 585
Elongation, δ5 ≥ (％): 17.0
Reduction of area, ф ≥ (％): 35.0
Hardness | HRS: 241 ~ 285
Reduction of area, ф ≥ (％): 35.0
Hardness | HRS: 241 ~ 285
PRODUCT SHAPES & DIMENSIONS
Round bar & disc (diameter): 6.0 to 850 mm
Square bar & flat bar: 10 to 550 mm
Round bar & disc (diameter): 6.0 to 850 mm
Square bar & flat bar: 10 to 550 mm
Forged ring: OD200 ~ 1200 X ID150 ~ 1250 X H20 ~ 1250 mm
Length: random length or based on the customer's special requirement.
Length: random length or based on the customer's special requirement.
Heavy / middle plate via hot rolled: T60 ~ 400mm X W80 ~ 1200mm X L1000 ~ 5000mm
Forging piece: stepped shafts, other different shapes based on OEM.
Forging piece: stepped shafts, other different shapes based on OEM.
ADVANTAGE & SUPERIOR SERVICE
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
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