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Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo
Jul 23, 2017

Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo Basic Info

  • Molding Style: Forging

  • Application: Machinery Parts

  • Heat Treatment: Quenching

  • Forging Tolerance: Depending

  • Certification: SGS, CE, ISO 9001:2008

  • Specification: GB, ASTM, AISI, ASME, DIN, En, Bs, etc.

  • Processing Object: Metal

  • Molding Technics: Rolling

  • Material: Steel

  • Surface Treatment: Depending

  • Standard: GB

  • Od 100mm-10000mm: Unit Weight 100kg-25, 000kg

  • Transport Package: Wooden Box&Pallet

  • Origin: China

Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo Product Description

1. Product Range
Forged and seamless rolled forgings
Open-Die forgings
Closed-Die forgings
Hammer forgings

Paike offers many specialities seamless rolled rings, stamped shafts, hubs, discs and other  open-die forgings up to 25 ton`s in weight.

Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo Dimensions of Forgings
Tube sheets / discs and holed discs:
D: ≤1200mm     D: ≤2600mm
d: 100~400mm     d: ≤450mm
H: ≤350mm      H: ≤1500mm
Rings:
D: ≤2300mm     D: ≤10000mm
d: ≥400mm      d: ≥450mm
H: ≤1600mm     H: ≤1000mm
Plates:
W:≤1000mm     W:≤2000mm
L: ≤1000mm     L: ≤4000mm
H: ≤60mm       H: ≤120mm
Holed cylinders:
D:≤2300mm     D:≤2500mm
d: ≤400mm     d: ≤700mm
L: ≤1600mm    L: ≤5000mm
Round smooth shafts:
D:100~450mm    D:150~950mm
L: 200~6000mm    L: ≤7000mm
Smooth shafts with variable section/Progressive shafts/Step forging shafts:
D:150~450mm   D:≤1000mm
d: 100~400mm   d: ≤850mm
L: ≤6000mm    L: ≤7000mm
Smooth forgings with square section:
H:100~400mm    H:150~900mm
L: 200~6000mm   L: ≤6000mm
Cubes and blocks:
W:≤500mm      W:≤1000mm
L: 200~2000mm    L: 200~2000mm

3.Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo The Manufacturing and Inspection Process

Raw Material Smelting/Stock depending on the material and quantity
EF, LF, VD, ESR, VAR, VIM

QC control: suppliers of steel quality control, audited suppliers, chemical analysis before factory acceptance

Material Inspection
Inventory of square and round billets and ingots
Billets in condition:
Hot rolled
Casted
Continuous casted
Forged

Cutting Material
Cutting of square billets
Cutting of round billets
Cutting of ingot
Weight control
Visual control

FORGING
Hammer Forging
Held by manipulator
Open-die forging
Progressive forging
Open-Die Forging
Held by manipulator

Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo ROLLING
Ring Rolling

HEAT TREATMENT
For example
normalizing
quenching(water, polymer, oil) and tempering
annealing
stress relieving
solution treating
aging

Data recording
Heat treatment cycle
Hardness testing

TESTING
Micro-structure
Grain Size
Charpy Impact Test
Tensile Test
NDT-UT-Testing

MACHINING
Programming Turning
Programming Drilling
Programming Milling

4.Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo Production Facilities

Sawing Equipment
18 Band saws in different sizes, saw diameter up to 1'600 mm

Heating Furnaces before forging
12 furnaces, gas heated 1'180° C max size: 5200mm×4500mm×4100mm with fully automatic temperature control and recorder equipped with temperature control, calibrated thermocouples
9 Electrically heated furnaces up to 1'200° C max size: 4500mm×4200mm×1600mm with fully automatic temperature control and recorder, equipped with temperature control, calibrated thermocouples
Equipped with temperature control, calibrated thermocouples

Forging Facilities
1 Hammer
4 Hydraulic forging presses,
Open die forgings, 1'250T(12.5MN), 2'000T(20MN) and 3'600T(36MN)
Closed die forgings, 8000T(80MN)
3 Ring mills 2000mm, 5000mm, up to 10000mm OD and max unit weights 25 tons

Heat Treatment Furnaces
1 furnaces, gas heated 1'180° C size: 6800mm×6800mm×2400mm with fully automatic temperature control and recorder equipped with temperature control, calibrated thermocouples (normalizing)
1 Electrically heated furnaces up to 1'100° C size: 5200mm×5200mm×1200mm with fully automatic temperature control and recorder (normalizing)
4 Electrically heated furnaces up to 1'100° C size: 4200mm×4200mm×1500mm
with fully automatic temperature control and recorder(normalizing, quenching, tempering)
1 Electrically heated Bell-type furnace up to 1'100° C size: Φ7000mm×2000mm
2 Electrically heated furnaces up to 1'100° C size: 2000mm×2000mm×1500mm with fully automatic temperature control and recorder(normalizing, quenching, tempering)
1 Electrically Solution treating furnace size: 19900mm×12600mm×10200mm with fully automatic temperature control and recorder(solution treating)
1 Quenching tanks 12000mm×8000mm×6000mm, for water equipped with recirculation and cooling system
1 Quenching tanks 8000mm×8000mm×6000mm, for polymer equipped with recirculation and cooling system

Machining Equipment
21 Conventional lathes with horizontal face plates max. ? 5'000mm x 1'200 mm
9 CNC lathes with horizontal face plate max. ? 8'000 x 1'200 mm
1 CNC Drilling machine, max. ? 5000mm x 500 mm
Subcontractor:
Machining center
Milling machines
Boring machines

Forged Shell/Spare Parts for Steam Turbine 16mn/20mnmo Testing Facilities
Mechanical Tests
1 Tensile test machine in normal temperature,
1 Tensile test machine for high temp.up to 1300oC
1 Impact test machine
Equipment for deep temp. impact tests min temp: -196oC
6 Hardness test machines

Laboratory
Micro-structure and grain size tests
Corrosion tests
Jominy end quench test
Carbon and Sulfur analysis
Spectroscopical identity test



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