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Haian Haitai Steel Casting Co., Ltd.

Four Way, Steel Casting, Alloy Steel Casting manufacturer / supplier in China, offering Four Way for Blowout Prevent by Steel Casting, Spur Gear Girth Gear Large Steel Casting with Good Quality OEM Service, Girth Gear Spur Gear with Good Quality Large Steel Casting Machine Part and so on.

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Four Way for Blowout Prevent by Steel Casting

FOB Price: US $2,500-2,800 / Ton
Min. Order: 10 Tons
Min. Order FOB Price
10 Tons US $2,500-2,800/ Ton
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Port: Shanghai, China
Production Capacity: 50000 Tons/Year
Payment Terms: L/C, T/T

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Large Steel Casting
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Basic Info
  • Type: Chemical Hardening Sand
  • Sand Core Type: Sodium Silicate Sand Core
  • Machining: CNC Machining
  • Surface Treatment: Sand Blast
  • Standard: 75K
  • Ut: Level 2
  • Specification: 500kg to 20 tons
  • HS Code: 8481809000
  • Casting Method: Directional Crystallization
  • Application: Petroleum Machinery
  • Material: Steel
  • Surface Roughness: Ra12.5
  • Certification: ISO 9001:2008
  • Transport Package: Wooden Case
  • Origin: China
Product Description

Material and Standard:
MaterialChemical Composition %

Every year, around 5000 tons ZG25CrNiMo steel castings for domestic and foreign market.
Russia and USA are the two biggest buyers.

Four Way for Blowout Prevent by Steel Casting
How to guarantee the quality of large carbon steel or alloy steel casting
We have our quality control procedure and advantages to guarantee the quality of castings as follows:

what customer order what we will produce
When we receive the enquiry from customers,the requirement for chemical composition,mechanical property,UT and MT will be submitted to quality department.After their confirm,we send the quotation to our customers.And when the order is confirmed,the technical requirement will be confirmed again.We only produce big carbon steel or alloy steel castings from 500kg to 150 tons per unit for cement mill,ball mill,vertical mill,winch,shipbuilding,power generation,punch&die tooling,rolling mill,steel mill and so on..The minimum wall thickness is 50 mm.

wooden pattern
Most of the pattern will be made by our experienced technicians.Sometimes it will also be sent to our subcontractor.All of the patterns should meet our quality control requirement.After the pattern is finished,the quality control department will check the dimension of the pattern carefully.A right pattern can save production cost and time.

sand mold making and riser
Most of our sand mold makers can be thought an artist in sand mold making with more than 10 years experience.
For the important R corner,we will use chrome ore to avoid sand adhesion.
The engineers will inspect the production process especially for some new or important large carbon or alloy steel castings.
The sand cores will be painted and roasted to avoid sand adhesion and pores on the surface.
The sand mold will be roasted before pouring by drying machine.
We use big risers to make the casting quality better.
Four Way for Blowout Prevent by Steel Casting

There is one 8 tons electric arc furnace(melting steel can be 28 tons),two 50 tons medium frequency furnace,one 120 tons refining furnace and one 120 tons VD furnace.We have strict control and store for the raw scrap and a professional pouring team.For UT level 2 and 3, the 8 tons electrical arc furnace can meet customers' requirement.The 8 tons electrical arc furnace can help us have better control of harmful elements and make the steel more pure with less P and S.The refining furnace can meet customers' requirement for large carbon or alloy steel casting.For UT level 1,we have 120 tons VD furnace.We can produce steel castings with UT level 1 not more than 30 tons per unit.

Four Way for Blowout Prevent by Steel Casting

We have a electronic total station imported from Japan to help us to inspect the dimension.
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Mr. Brian Wang
Sales Manager
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