26CrMo7 / 1.7259
2015-11-26 13:09:41 Origin： Remark：0 Click：
Pressure vessel steel 26CrMo7 Plate, flat bar, round bar 1.7259 Steelmaking, ESR melted, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold machined.
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL DATA SHEET - DIN 26CrMo7 & 1.7259
MATERIAL TYPE: Alloy steel for High temperature pressure vessel
MATERIAL STANDARDS: DIN SEW 028, DIN EN 10216-2
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.22 ~ 0.30
Si (％): 0.15 ~ 0.35
Mn (％): 0.50 ~ 0.70
P (％)≤: 0.035
S (％)≤: 0.035
Cr (%): 1.50 ~ 1.70
Mo (%): 0.20 ~ 0.25
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Mechanical property ≥|σb/MPa: 640～780
Mechanical property ≥|σs/MPa: 440
Mechanical property ≥|δ5(%): 17.0
Mechanical property ≥|Akv /J: 48
Mechanical property ≥|σs/MPa: 440
Mechanical property ≥|δ5(%): 17.0
Mechanical property ≥|Akv /J: 48
Hardness after annealed HBW: 190~235
HOT WORKING & HEAT TREATMENT
Hot working temperature /℃: 1100~850
Heat treatment temperature/℃|annealing /℃: 680～730
Heat treatment temperature/℃|quenching /℃: 890～940 Oil or air
Heat treatment temperature/℃|tempering /℃: 650～700
HOT WORKING & HEAT TREATMENT
Hot working temperature /℃: 1100~850
Heat treatment temperature/℃|annealing /℃: 680～730
Heat treatment temperature/℃|quenching /℃: 890～940 Oil or air
Heat treatment temperature/℃|tempering /℃: 650～700
PRODUCT DESCRIPTION
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.
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.
Extensive database of long term, high temperature test results.
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.
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.
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm 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 W100 - 1500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm 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 W100 - 1500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineer. E-mail: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineer. E-mail: sales@ccsteels.com.
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