Heat resisting steel 10705MBU
2026-10-19 10:08:00 Origin： Remark：0 Click：
Turbine blade steel 10705MBU martensitic steel peeled round bar, milled flat bar, 10705MBU stockist forgings, ESR melting, hot bloomed, forged, rolled, heat treated
TECHNICAL DATA SHEET - 10705MBU
Steel type: 11.0Cr - 0.5Ni - 1.7W - 0.14C iron base martensitic steel
Material category: heat resisting steel for turbine blade
Material category: heat resisting steel for turbine blade
Material technical specifications: GTC-0029 / Ref. GB/T 8732 - 2014
Stock in hand: round bar 50 ~ 160 mm
TYPICAL CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 0.12 ~ 0.16
Silicon, Si (％): ≤ 0.06
Carbon, C (％): 0.12 ~ 0.16
Silicon, Si (％): ≤ 0.06
Manganese, Mn (％): 0.30 ~ 0.70
Phosphorus, P (％): ≤ 0.020
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 10.0 ~ 11.0
Phosphorus, P (％): ≤ 0.020
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 10.0 ~ 11.0
Molybdenum, Mo (％): 0.35 ~ 0.50
Nickel, Ni (%): 0.35 ~ 0.65
Vanadium, V (%): 0.14 ~ 0.20
Tungsten, W (%): 1.50 ~ 1.90
Copper, Cu (%): ≤ 0.50
Nitrogen, N (%): 0.04 ~ 0.08
Niobium, Nb (%): 0.05 ~ 0.11
TYPICAL MECHANICAL PROPERTIES
Condition: QT1
Quenching ≥ 1100 degree celsius, oil cooling
Tempering ≥ 620 degree celsius, air cooling
Tensile strength, Rm ≥ MPa: 930
Yield strength, Rp0.2 ≥ MPa: 760
Elongation, A5 ≥ : 14.0
Yield strength, Rp0.2 ≥ MPa: 760
Elongation, A5 ≥ : 14.0
Reduction of area, Z : 32.0
Impact strength, AKv2 / J ≥: 20
Heat treated Q + T hardness, HBW: 277 ~ 331
PRODUCT DESCRIPTION
10705MBU alloy is usually produced by AOD / BEF / EAF 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.
10705MBU alloy is usually produced by AOD / BEF / EAF 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.
ADVANTAGED STOCK ITEMS
High alloy and superalloy for turbine blade
ASTM A565 Grade 616 / 422 / S42200, Grade 615/S41800, XM-32 / S64152
17-4PH / 630 / 1.4542, 631, 851, 961, WB36, D6-AC, D6A.
1.4980, 1.4922, 1.4923, 1.4935, 1.4938, 1.4913
Forms: Bars, Forge piece, Ring,
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry or help, you can contact our qualified production engineers. via Email: sales@ccsteels.com.
If you meet further on any technical enquiry or help, you can contact our qualified production engineers. via Email: sales@ccsteels.com.
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