1.4948
2015-01-14 11:37:40 Origin： Remark：0 Click：
Description 1.4948 Inventory, Flat bar 1.4948 Ex-stock, Forgings 1.4948 from steelmaking, ESR, blooming, forging, rolling, heat treatment, straightened, ultrasonic test, cold working, machined. We also possess advanced precision machining equipments for further processing.
TECHNICAL DATA SHEET of Creep-resisting Steel - DIN X6CrNi18-10 & 1.4948
MATERIAL CATEGORY: Austenitic creep-resisting steels
FEATURES AND CLASSIFICATIONS
Heat-resistant steel means one type of steel possesses inoxidizability, enough high-temperature strength and excellent heat-resistant quality under high temperature. Heat resistant steel is divided into oxidation resistant steel and refractory steel according to its performance. Further into Austenitic heat-resistant steel, Martensitic heat-resistant steel, Ferritic heat-resistant steel and Pearlitic heat-resistant steel according to its normalizing.
Austenitic steels - Contains more austenite formative elements like Chromium, manganese, nitrogien. At temperature above 600℃, which possess superior high temerature strength, structure stability, excellent weldability. and representative steel grades are 1Cr18Ni9Ti（321), 1Cr23Ni13（309), 0Cr25Ni20 （310S), 1Cr25Ni20Si2（314), 2Cr20Mn9Ni2Si2N, 4Cr14Ni14W2Mo.
Heat-resistant steel means one type of steel possesses inoxidizability, enough high-temperature strength and excellent heat-resistant quality under high temperature. Heat resistant steel is divided into oxidation resistant steel and refractory steel according to its performance. Further into Austenitic heat-resistant steel, Martensitic heat-resistant steel, Ferritic heat-resistant steel and Pearlitic heat-resistant steel according to its normalizing.
Austenitic steels - Contains more austenite formative elements like Chromium, manganese, nitrogien. At temperature above 600℃, which possess superior high temerature strength, structure stability, excellent weldability. and representative steel grades are 1Cr18Ni9Ti（321), 1Cr23Ni13（309), 0Cr25Ni20 （310S), 1Cr25Ni20Si2（314), 2Cr20Mn9Ni2Si2N, 4Cr14Ni14W2Mo.
MATERIAL SPECIFICATIONS - DIN 17442,17744, DIN EN 10302, 10095, EN 10088-1 (2005)
CHEMICAL COMPOSITION (Mass weight - %)
C (％): 0.04 ~ 0.08
Si (％): ≤ 1.00
Mn (％): ≤ 2.00
P (％)≤: 0.035
S (％)≤: 0.015
C (％): 0.04 ~ 0.08
Si (％): ≤ 1.00
Mn (％): ≤ 2.00
P (％)≤: 0.035
S (％)≤: 0.015
N (%): ≤ 0.11
Al (%): -
Cr (％): 17.0 ~ 19.0
Mo (％): -
Mo (％): -
Nb (%): -
Ni (％): 8.00 ~ 11.0
Ti (%): -
V (%): -
W (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: solution treatment
Tensile strength, σb/MPa: 490 ~ 690
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: solution treatment
Tensile strength, σb/MPa: 490 ~ 690
Yield strength, σs≥/MPa: 185
Elongation, δ5≥(％): 40.0
Elongation, δ5≥(％): 40.0
Non-scale temperature in Air ℃: -
APPLICATION FIELD
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.
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.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W10 - 1500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W6 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W6 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
MANUFACTURING TECHNOLOGY - SMELTING
Heat resistant steel is generally smelt in 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 electric arc furnace or induction furnace. For higher quality,it should be smelt via technology of vacuum refining and external refining.
HEAT TREATMENT PRACTICE
Austenitic oxidation resistant steels generally adopt high temperature solution treatment in order to get a superior cold deformation quality. While austenitic refractory steels firsly adopt hight temperature solution treatment, then ageing treatment to stabilize the structure at operation temperature above 60 ~ 100℃, separate out the second phase to strengthen the matrix.Heat resisting cast steels use in the condition of cast, adopt the relevant heat treatments according to heat resistant steels' categories.
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.
Austenitic oxidation resistant steels generally adopt high temperature solution treatment in order to get a superior cold deformation quality. While austenitic refractory steels firsly adopt hight temperature solution treatment, then ageing treatment to stabilize the structure at operation temperature above 60 ~ 100℃, separate out the second phase to strengthen the matrix.Heat resisting cast steels use in the condition of cast, adopt the relevant heat treatments according to heat resistant steels' categories.
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.
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