1.4938
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EN 10302 Material Standard Martensitic Creep-resisting Steel 1.4938 Round bar, flat bar, ESR Ingot 1.4938 Turbine Blade Steels Heat treated
TECHNICAL DATA SHEET - 1.4938 & X12CrNiMoV12-3
MATERIAL CATEGORY - Martensitic creep-resisting steel
Stock Available & Inventory - Round bar Diam. 40 ~ 210mm, Flat bar, ESR ingot
Martensitic steel - Chromium content is 7～13%, which holds superior high temperature strength, inoxidizability and moisture corrosive resistance,but weldability is not good. 4Cr9Si2, 4Cr10Si2Mo are used to make the vent valves of internal combustion engine, also belong to Martensitic steel.
MATERIAL SPECIFICATIONS - DIN 17442,17744, DIN EN 10302, 10095, EN 10088-1
CHEMICAL COMPOSITIONS (mass fraction - %)
Carbon, C (％): 0.08 ~ 0.15
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.40 ~ 0.90
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Carbon, C (％): 0.08 ~ 0.15
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.40 ~ 0.90
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 11.0 ~ 12.5
Nickel, Ni (％): 2.00 ~ 3.00
Molybdenum, Mo (％): 1.50 ~ 2.00
Nickel, Ni (％): 2.00 ~ 3.00
Molybdenum, Mo (％): 1.50 ~ 2.00
Nitrogen, N (%): 0.02 ~ 0.04
Aluminum, Al (%): -
Vanadium, V (％): 0.25 ~ 0.40
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: solution treatment
Tensile strength, Rm / MPa: 950 ~ 1150
Condition: solution treatment
Tensile strength, Rm / MPa: 950 ~ 1150
Yield strength, Rp0.2 ≥ MPa: 800
Elongation, A5 ≥ (％): 13.0
Elongation, A5 ≥ (％): 13.0
Non-scale temperature in Air: 600℃
Heat-resistant steel is widely used in the field of manufacturing the boiler, steam turbine, motive power machine, industrial furnace, and other mechanical parts of aviation, petrochemical engineering operating at high temperature. Those parts must hold the features: high temperature strength, resistance to high temperature oxide etch, enough toughness, excellent machinability, weldability, structure stability based on different usages.
PROFILE AND DIMENSIONS
Round bar / rod / disc (diameter): 5.5mm to 850mm
Square bar / Flat bar: 10mm to 600mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / rod / disc (diameter): 5.5mm to 850mm
Square bar / Flat bar: 10mm to 600mm
Length: Fixed length or random length or based on the customer's special requirement.
Steel strip via cold rolled: T2 - 6mm X W10 - 200mm X L (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
Forging piece: stepped shafts, other different shapes based on OEM.
MANUFACTURING TECHNOLOGY - SMELTING
Heat resistant steel is generally smelt in EAF - electric arc furnace or induction furnace. For higher quality,it should be smelt via technology of vacuum refining and external refining.
Heat resistant steel is generally smelt in EAF - electric arc furnace or induction furnace. For higher quality,it should be smelt via technology of vacuum refining and external refining.
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.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
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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