79Ni1
2015-02-04 09:32:40 Origin： Remark：0 Click：
Material specification 79Ni1 datasheet,79Ni1 Chemical,79Ni1 Ring forging,79Ni1 Bar,79Ni1 Wire rod,79Ni1 Sheet - steelmaking,ESR,blooming,forging,rolling,heat treatment,straightened,ultrasonic test,cold working,machined. We also possess advanced precision machining equipments for further processing.
Technical standards - DIN EN 10083-2/3 (2006), DIN 17212 (1972) or by agreement.
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL SPECIFICATION / DATASHEET - DIN 79Ni1 / W-Nr 1.6971
MATERIAL CATEGORY: Flame and high-frequency heating surface hardening steel
PRODUCT DESCRIPTION
Proven performance in long-term service.
Extensive database of long term, high temperature test results.
High room and elevated temperature strength.Good creep.
High notch tolerance.
Thermal expansion coefficients compatible with low alloy steel turbine casing materials.
Lower design and operating risks
Simplified design for bolting configuration compared with martensitic steels or high nickel alloys.
Proven performance in long-term service.
Extensive database of long term, high temperature test results.
High room and elevated temperature strength.Good creep.
High notch tolerance.
Thermal expansion coefficients compatible with low alloy steel turbine casing materials.
Lower design and operating risks
Simplified design for bolting configuration compared with martensitic steels or high nickel alloys.
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - heat treatment / QT
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS
DIN EN 10083-2/3 (2006), DIN 17212 (1972)
DIN EN 10083-2/3 (2006), DIN 17212 (1972)
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.75～0.85
Si(％): 0.20~0.30
Mn(％): 0.45～0.55
P(％)≤: 0.025
S(％)≤: 0.025
Cr(％): 0.10~0.20
Mo(％): -
Other(％): Ni0.10~0.20, V≤0.05
Si(％): 0.20~0.30
Mn(％): 0.45～0.55
P(％)≤: 0.025
S(％)≤: 0.025
Cr(％): 0.10~0.20
Mo(％): -
Other(％): Ni0.10~0.20, V≤0.05
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealing: 690～720
Heat treatment temperature /℃|annealing: 690～720
Heat treatment temperature /℃|normalizing: 800～830
Heat treatment temperature /℃|quenching: 780~820Water.790~830 Oil
Heat treatment temperature /℃|tempering: 530～670
Heat treatment temperature /℃|surface hardening: 780～810
Surface hardness HBC≤: 62~65
Heat treatment temperature /℃|surface hardening: 780～810
Surface hardness HBC≤: 62~65
Size /mm: 40~60
|σb≥/MPa: 780~930
|σs≥/MPa: 540
|δ5≥(％): 13
|ψ≥(%): -
|AKV≥/J: -
AVAILABLE SHAPES
Black bar /Flat bar / Square bar /Pipe, /Steel strip, /sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rod
Mechanical parts - connecting rod, bolt and nut
Multidiameter shaft
Pressure vessel, seamless pipe
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rod
Mechanical parts - connecting rod, bolt and nut
Multidiameter shaft
Pressure vessel, seamless pipe
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
Mr Chen, Mr.Jiang - Email: lh.steel@hotmail.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
Mr Chen, Mr.Jiang - Email: lh.steel@hotmail.com
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 0.50mm 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): 0.50mm 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 W1000- 2500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W600- 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.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
Sheet steel via cold rolled: T0.5 - 6mm X W600- 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.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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