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Large Steel Cast Stamp Tee for Pipe Fittings

Material:ZG270-500,GOST 35JI
Application:Punch and Die Tooling
Weight: 2 to 80 tons
Status:pre-machined or finished machining
Class certificate:ABS,CCS,NK,LR,DNV,RINA,BV,KR
Payment terms:T/T or L/C
Availability:
Quantity:

Material

MaterialCSi
MnPS
ZG270-5000.32-0.40
0.20-0.520.45-0.90≤0.040
≤0.045



Material StandardGB, EN, DIN, ASTM, GOST, JIS, ISO
Weight3-70 tons
Heat treatment
Normalizing+tempering


Most of the material for the stamps are low carbon steel.

The stamp tee is assembled by upper and lower stamps with columns.

We have supply and machine many stamps for Russian customers.

R is important and we have good experience for it.

We produced them according to GOST standard.

Prodution process

No.
Equipment Name
Quantity(Set)
1 Transformer substation 1
2 Full set of wooden molding equipment 10
3 Sodium silicate sand mix line 4
4 Alkaline phenol resin sand mix line 2
5 25 tons Electric arc furnace 1
6 50 tons Intermediate frequency furnace 2
7 120 tons Refining furnace 1
8 120 tons VD furnace 2
9 12m*9m*6m Heat treatment furnace 3
10 120 tons Large-scale shot blasting machine 1
11 150 tons Travelling crane 2
12 125 tons Travelling crane 3
13 200 tons Travelling crane 2
14 CNC gantry boring and milling machine 2
15 2.5m-10m Digital vertical lathe 16
16 Boring and milling machine 13
17 Horizontal lathe 3
18 Large dust removal equipment 7

1)The engineer will firstly prepare the technology and do a simulation before pouring.

1642741044(1)


2)We will make a pattern of the stamp tee based on engineer's technology.

It will cost us around one week.

After that the engineer will check the dimension and make a record.

P11-1

3)Sand molding making will be made by experienced wokrers.

The lower and upper stamp tee can share parts of the pattern.

1

4)Pouring and cooling.

There are one 8tons electrical arc furnace;

Two 50 tons medium frequency furnace;

One 120 tons refining furnace and one 120 tons VD furnace;

5)Clean the sand and cut the riser before heat treatment

6)Heat treatment will cost 7days( 4 days normalizing and 3 days tempring).

There are 8 heat treatment furances with max. one is 12m*9m*6m.

热处理炉

7)dimension check and draw a line for machining.

IMG_2136

8)Rough machining

8

9)NDT withe qualified inspector

IMG_20171128_091028

10)Welding repair if needed and tempering for stress relief

11)Final machining and NDT.

We will check whether the core is met in the same point for the middle and side hole.

IMG_20180411_073640

12)Customers' inspection and packing

15



About Haitai

P5

Haian Haitai Casting Co.,Ltd. is established in 2003. 

We supply large steel castings with low carbon or alloy steel from 3 tons to 150 tons per piece.

With a quick development,now we had supplied steel castings 6,000 tons per month.

There are three workshop for sand mold making,one workshop for machining and one for post procedure.

Our main products are for cement mill(around 30%).

We supply around 400pcs kiln tyres,170 sets of ring gears and 930pcs supporting rollers a year.

We also have rich experience of the castings for shipbuilding with 9 class certificate.



Testing Equipment

No.
Equipment Name Quantity(Set)
1 Sand analysis equipment 1
2 Impact sample low temperature meter 1
3 Direct reading spectrometer(OXFORD) 2
4 ONH analyzer 1
5 ZEISS metallurgical microscope 1
6 Pendulum impact tester 1
7 Microcomputer controlled electro-hydraulic servo universal test machine 5
8 Various hardness tester 4
9 Magnetic defect detector 5
10 Ultrasonic flaw detector(digital) 1
11 CX-52 Total station 1
12 Stylus roughness meter 1


We do the test according to diffrent production step,

such as chemical composition,UT,MT and mechanical property.

In 2021,Haitai inspection and testing center got approval from CNAS.


P6-3

P10-1

P10-3

Delivery

Our company is near to Shanghai port and we can supply different packing according to customers' specification.



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