Business Type: Manufacturer/Factory & Trading Company
Nantong, Jiangsu, China
The material is low carbon or alloy steel,such as ZG270-500,ZG42CrMo,ZG35Mn and so on.
|Steel Grade||Chemical Composition %|
Rb / MPa
A / %
Reduction of Area
|Casting Material||EN 10293/EN 10025/BS 3100/DIN 1681/DIN17205|
|Casting Tolerance in Blank||ISO 8062 CT 13|
|Size Tolerance||DIN ISO 2768m|
|NDT||ASTM A609 Level 2 or 3 /EN 12680/ASTM E94 Level 2 or 3|
Haian Haitai Casting Co.,Ltd. is established in 2003 in Huangqiao Town.
In 2007,we moved our factory to Sunzhuang town and now we can supply bigger steel castings with max. weight 45 tons.
In 2011,we built a new sand mold maiking workshop with 120 tons refinining furnace and the max. weight can be 120 tons.
In 2013,we paid more attenion on the castings for shipbuilding and started to supply marine castings for most of domestic famous shipyards.
From 2013 to 2022,we bought more and more machines to strengthen our ability from rough machining to finished machining.
In 2021,we built another new sand mold making workshop for the quick development of market requirement.
Now we monthly supply 6000 tons different castings for different customers of different industry,such as cement mill,shipubuilding,petroleum machinery,rolling mill,forging press and so on.
We have our own wooden pattern making workshop.
But our company is always busy,
we also have around 10 sub-contractors for pattern making.
They help us for the pattern but will be inspected according to our rules.
We will record for every pattern inspection.
We always do the melting after mid-night for cheaper electric charge.
And we normally do pouring in the early morning.
|1||25 tons Electrical Arc Furnace||1|
|2||50 tons Intermediate Frequency Furnace||2|
|3||120 tons Refining Furnace||1|
|4||120 tons VD Furnace||2|
After pouring,we will wait for different time for cooling according to casting's weight.
|Item||Weight in blank(Metric Tons)||Cooling Time(Hour)|
We get approval from CNAS for our laboratory.
We also have 9 class certificate,such as ABS,DNV,NK,RINA,KR,CCS,BV and so on.
We supply a lot of castings for cement mill,rolling mill,shipbuilding and so on.
We can do the packing according to our rules or according to customers' requirement.
Normally there is a 12 months quality warantty.
We do at least three times NDT:after rough,semi-finished and finished machining.
And also the customer will do the witness during or after finished machining.
If there is also any problem when you receive the castings,
please send us photos and detailed defects,
we will negotiate with you and make a compensation.
If there is a ITP between customers and our facotry will be better.
A third party inspection before shipment is welcomed.