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Professional Steel Material Factory From china
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AISI 418 (Alloy 615, UNS S41800)Forged Forging Steel Gas Steam Turbine steam valves Discs Disks Stems Cover Bonnets

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Jiangsu Liangyi Co.,Limited

AISI 418 (Alloy 615, UNS S41800)Forged Forging Steel Gas Steam Turbine steam valves Discs Disks Stems Cover Bonnets

Brand Name : JSLY

Model Number : Nickel Alloy

Certification : API

Place of Origin : CHINA

MOQ : 1PCS

Price : Depends on the sizes

Payment Terms : T/T,L/C

Supply Ability : 10000 tons

Delivery Time : 15 days

Packaging Details : Plwooden Case

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We are professional AISI 418 (Alloy 615, UNS S41800,Greek Ascoloy,AMS 5616) Forged Forging Steel Gas Steam Turbine superheated steam valves Discs Disks Stems Cover Bonnets factory from china

alloy (Greek Ascoloy) is a corrosion and heat resistant stainless steel similar in many respects to Type 410 but exhibiting improved high temperature properties. 418 SPL alloy is a modification of former AISI Type 418; the only difference is that nickel has been added to prevent the formation of delta ferrite. Up to 1100°F, its stress rupture strength is equal or superior tothe austenitic stainless steels. It can be hardened to Rc 45 typical when quenched from 1750°F or Rc 50 typical when quenched
from 1850°F.

418 SPL alloy is readily forgeable and has fair machinability and cold formability in the annealed condition.

418 SPL alloy can be welded by any of the commonly used processes; but since it is air hardening, welded sections should be
annealed or tempered for maximum ductility.

418 SPL alloy is commercially available as sheet, strip and plate and is produced to the AMS 5508 specification.



RESISTANCE TO CORROSION

The corrosion resistance of 418 SPL alloy is about the same as Type 410 and the Blue Sheet on this grade should be consulted
for information on resistance to specific media. 418 SPL alloy is less susceptible than Type 410 to hydrogen embrittlement and
stress corrosion.

RESISTANCE TO OXIDATION

418 SPL alloy resists oxidation up to 1400°F and may be used in continuous service at 1100°F. As the rate of oxidation is
greatly affected by the atmosphere present and by the operating conditions, no actual data can be presented which will apply to all
service conditions.

We are original manufacturer for all kinds of valve parts, so we can provide you with the very same spare parts of steam turbine as the original manufacturer can do.

Please feel free to contact us at any time!

Our products are as followings:

Valve seat/disc/spool/sleeve/spindle/stem/rod/cover for MSV, GV, CV, CRV

Actually, in addition to the above products, we can also offer you various steam turbine parts, like:
- Rotor;
- Moving Blades of Rotor;
- HP/IP/LP Gland Sealings;
- HP/IP/LP Diaphragms;
- Seal Rings;
- Couplings between Steam Turbine and Generator;
- Spcial Studs and Nuts;
- Bolts and Nuts of Turbine Casings;
- Bolts and Nuts of Diaphragms;
- Thrust Bearings and Surport Bearings;

Forged ratio:

no less than 4:1

Technical Data:

According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing

Test:

Ultrasonic test according to SEP 1921-84 G3 C/c

Certificate of Quality

in addition the normal terms, production process, the mechanical property forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality

Marking:

Grade, heat NO. length will be stamped one each bar with required color

Payment:

30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight

  • ISO 9001:2008, PED Certificate,API, TUVRheinland, Bureau Veritas (BV), Lloyd Register (LR), ABS, RINA, Germanischer Lloyd (GL), Korean Register of Shipping (KR), Det Norske Veritas (DNV), Nippon Kaiji Kyokai (NK);
  • Forging & Heat Treatment Equipment List

    Name & Description

    Forging Handling Capacities

    Quantity

    3150 Tons Free Forging Hydraulic Press

    Max. Single Forging in 28 Tons

    1

    5000mm Diameter Rolling Forging Machine

    Max. Single Forging in 16 Tons

    1

    8 Tons Free Forging Hummer

    Max. Single Forging in 7.5 Tons

    1

    6 Tons Free Forging Hummer

    Max. Single Forging in 5.5 Tons

    1

    5 Tons Free Forging Hummer

    Max. Single Forging in 4.5 Tons

    1

    60 Tons Forging Handling Operator

    Max. Single Forging in 45 Tons

    1

    10 Tons Forging Handling Operator

    Max. Single Forging in 7.5 Tons

    1

    80 Tons Crane

    Max. Single Ingot in 80 Tons

    1

    60/30 Tons Crane

    Max. Single Ingot in 60 Tons

    1

    30/10 Tons Crane

    30/10 Tons

    4

    Trolley Heat Furnace

    5000*1500*1200 mm

    3

    Trolley Heat Furnace

    8000*2000*1600 mm

    3

    Trolley Heat Furnace

    6500*1500*1200 mm

    3

    Vertical Heat Furnace

    Ø2500*10000 mm

    2

    Total Forging Equipment Quantity

    24


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