China Foundry Rough Machining Large Scale Customized G28mn6 Sand Casting Carbon Alloy Steel Bearing Chock for Rolling Mill

Basic Info

Model NO.	02
Application	Machinery Parts
Machining	Machining Center
Material	Steel
Surface Treatment	Sand Blast
Surface Roughness	Ra6.3
Standard	ASTM
Certification	ISO 9001:2008
Heat Treatment	Normalizing+Tempering+Quenching
Delivery Status	Pre-Machined or Finished Machining
Surface Hardening	400-450hb
Weight	3 to 190 Tons
Certificate	ABS,CCS,BV,Lr,Dnv,Rina,Kr,Nk
Wall Thickness	Min. 50mm
Test Block	230*70*50mm
Packing	Wooden Case
Transport Package	Wooden Case
Specification	12m*9m*6m
Trademark	OEM
Origin	China
HS Code	8414909090
Production Capacity	6, 000 Metric Tons/Month

Packaging & Delivery

Package size per unit product 100.00cm * 100.00cm * 100.00cm Gross weight per unit product 5000.000kg

Product Description

Product Parameters

The material is low carbon or alloy steel,such as ZG35SiMn,GP240,ZG310-570,ZG35CrMo,ZG42CrMo,G20Mn5+QT,G28Mn6,ZG25CrNiMo,ZG230-450H,ZG42CrMnSiMo,SC450,GE300,ZG34Cr2Ni2Mo and so on.

Weight	3-190 tons
Application	cement plant,sugar mill,paper mill,extrusion press,forging press,mining,crusher,shipbuilding
Machining	rough or finished machining
Certifcate	DNV,LR,ABS,CCS,BV,NK,RINA,KR,API 20A
Heat treatment	12m*8m*6m(same size of the max. casting we can make)
Travel crane	200 tons
Test	VT,chemical composition,UT,MT,HB
Payment terms	T/T,L/C

What we can make?

Haian Haitai Casting. is established in 2003.
We now can make large OEM steel castings from 3 to 190 tons.
The heavier the better.

As a foundry,we also installed enough environment protection equipment.

The melting furnaces we have as follows:

No.	Equipment Name	Quantity(Set)
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

Before and after pouring,we will do the chemical compostion test.

 

4)Cooling

After pouring,we will wait for different time for cooling according to casting's weight and our experience.

Item	Weight in blank(Metric Tons)	Cooling Time(Hour)
1	<25	48
2	>25-40	72
3	>40-55	96
4	>55-72	120
5	>72-96	144
6	>96-115	168
7	>115	192

We have our experience and rules for cooling time.
After cooling,we will shake the casting out of the steel boxes and clean them.
5)Heat TreatmentNormalizing will be 3 days while tempering is 4 days.
We have around 10 sets of heat treatment furnaces.
The biggest one is 12m*9m*6m.
It is also the biggest size of castings we can make.
After heat treatment,we will do the mechanical property test.
Our ordinary test block's size is 230mm*70mm*50mm.
One casting part will min. have 3 pcs test blocks.
We have our testing center and it is approved by CNAS.

6)Machining
We do the rough machinng,shot blasting,NDT and finished machining for the roll chock.
7)Typical customer and packing
We supplied roll chocks for SMS,Danieli and so on. Our Advantages

Customers are always right.

Serve our customers well with 7*24h quick and in time response.

Rich experience of casting production;
We do UT and MT for every of our castings;

Every month we supply casting parts to our customers around 6000 tons,
other customers' choice can be a reference for you.

Near to Shanghai airport,we can pick up you from the airport and send you back.

For big steel casting part or over size part,we are near to Shanghai port,
for over size part,it can save transportation cost.
Company Culture

We will hold our own sport meetings in Spring and Winter.
Every year,there will be a free heath care for every employee.

For the children of our workers,when they enter the universtiy,
they will get USD200 times working age support for their study every year.
In the end of the year,the parents of our workers will receive extra money from our company.

After Sales Service

For foreign order,we will do needed inspection according to related ITP.
We welcome customers to visit our company to witness the final inspection or a third party inspection.

After customers had received our goods and found problems,
please inform us and we will research what the problems is and find a solution for it.