Description
Jiangsu Liangyi professional manufacturer of 1.8070,21CrMoV5-11,21crmov511,21crmov5.11,21 CrMoV 5-11 open die forging parts and seamless rolled steel forged rings,forged pipes tubes,21CrMoV5-11 forging steel steel mill Continuous caster casting roll roller for a continuous casting machine,1.8070 forged forging steel gas steam turbine blade bolts rotor shafts from china
Following is the shape of 1.8070,21CrMoV5-11,21crmov511,21crmov5.11,21 CrMoV 5-11 forging steel material that we could do is:1.8070 Forged Steel round bars square bars Flat bars Rectangles Bars Rods,21crmov511 Forged forging steel rings seamless rolled rings,21crmov5-11 Forged Forging Steel Hubs housing shell Sleeves Bushes Bushing Cases Hollow Bars,21crmov5.11 Forged Forging Steel Discs Disks Blocks plates,21crmov511 Forged Forging Steel Pipe Tubes Tubings Piping Shells Casings Case barrels Housings.
Following is forging products of 1.8070,21CrMoV5-11 that is used in following industry
1.8070,21CrMoV5-11 forged forging steel mill Continuous caster casting roll roller for a continuous casting machine,Casting Steel Dummy Bars Heads
21CrMoV5-11 forged forging steel pipes tubes shells piping tubing barrels housing, tube sheets, nozzles, channel flanges for boiler, heat exchanger,pressure vessel,reactors, heaters
21CrMoV511 Forged Forging Gas Compressor Turbine Blades steel Flat Rectangles Bars
21CrMoV511 Forged Forging Gas steam turbine rotor shafts
21CrMoV511 Forged Forging Gas steam turbine disks, turbine impeller,turbine blisk,turbine discs
1.8070 Forging Steel Forging Forged Gas Steam Turbine Doubled-headed Double end Studs Fasteners Bolts
1.8070 is as pearlitic heat-resistant steel with high content Cr and Mo as per EN 10269 Standard. 21CrMoV5-11 forged steel parts can work at around 500 degrees for a long time and are mainly used in petrochemical, coal conversion, nuclear power, steam turbine cylinders, thermal power and other occasions with harsh conditions and corrosive media. Main applications: rolls, boilers, reactors, heaters, steam generation device, etc.
FOllowing is production and inspection standard of 1.8070,21CrMoV5-11 steel round bars
EN 10083-1:Quenched and tempered steels - Technical delivery conditions for special steels.
EN 10002-1:Metallic materials - Tensile testing - Part 1: method of test at ambient temperature.
EN 10002-5:Metallic materials - Tensile testing - Part 5: method of testing at elevated temperature.
EN 10045-1:Charpy impact test on metallic materials - Test method.
IS06506-1:Metallic materials - Brinell hardness test - Part 1: Test method,
FOllowing is melting methods of 1.8070,21CrMoV5-11 forged steel parts:EAF + VD + LF / BEF + ESR
All our 1.8070,21CrMoV5-11 forging steel rings can be release in 10204-3.2 certificate by following third party DNV-GL BUREAU VERITAS,LLOYD’S REGISTER,ABS, RINA,TÜV
FOllowing is chemical compostion of 1.8070 forging Pipes
Carbon:0.17 -0.25
Silicon :0.30- 0.60
Manganese :0.30- 0.60
Chromium :1.20 -1.50
Nickel :0.60 max
Molybdenum :1.00- 1.20
Phosphorus: 0.035 max
Sulphur: 0.035 max
Vanadium :0.25 - 0.35
FOllowing is mechanical property for 21CrMoV5-11 forging steel pipes
Mechanical properties in the quenched and tempered condition - at +20C
Yield strength :Min 540 MPA Test according to standard of EN 10002-1
Tensile stress:690 - 830 MPA Test according to standard of EN 10002-1
Elongation Min 18% Test according to standard of EN 10002-1
Cross section reduction:Min 25% Test according to standard of EN 10002-1
Hardness:230-280 HB Test according to standard of IS0 6506-1
Impact strength (KV method) Min 54J Test according to standard of EN 10045-1
Mechanical properties of 21CrMoV5-11 forging steel parts in the quenched and tempered condition - at 400*C
Yield strength :Min 400 MPA Test according to standard of EN 10002-5
All our 21CrMoV5-11 forged steel mill rolls will have following inspection:
Chemical analyses
Mechanical analyse
UT testing according several norms
MPI testing
Spectral analyse
Hardness measurement according several methods
Tensile and bending tests
Impact test according several methods
Microscope investigation
Huey test
Interkristal corrosion test
Red white test
X-Ray test
3D dimensional check
Magnetic test
Dye penetrant test
Positive Alloy Material Identification (PAMI)
Magnetic particle test
