Technical Quotation for

Φ508-3000mm

Frontal-swinging Spiral Welded PipeLine

1. Forward:

Thisunit is the forming and sizing unit designed and manufactured by our instituteafter research and absorption of advanced technology at home and abroad. Usageof German MEG forming method enables the back-swing welding car produce pipecontinously with high efficiency, stable performance by advanced design.

2. Products introduction:

2.1. Product usage:

2.1.1API-5L standardhigh-intensity oil, gas pipeline;

2.1.2 Low-pressure fluidfeeding pipeline, gas pipeline and drain line;

2.1.3Piling-pipe in the engineeringconstruction;

2.1.4Pipe in the industrial structure;

2.1.5Pipe for other uses.

2.2Productquality:

The quality of pipes produced are inaccordance with USA API-5L and China National Standards GB9711.1-1997.

2.3 Technical performance&parameter:

2.3.1Raw material parameter:

Coil outer dia.: Φ1200～2200mm

Coil inner dia.: Φ610-Φ880mm

Coil width: 800～2000mm

Coil thickness: 5.0～25.4 mm

Coil material: ST37,ST52～X80

Max. coil weight: 40 t

Crescent bend: ≤10/10000 mm

2.3.2 Products (pipe)parameter:

Pipe diameter: Ф508～Ф3000mm

Pipe wall thickness: 5.0～22.0mm

Spiral angle: 40°～75°

Pipe weight: Max12.5t

Pipe length: 8～12 m

Pipe thread pitch: MAX2300mm

3．Machine mode, Technical parameters, Process flow, Delivery listand Line introduction:

3.1. Mill Parameter

·Mill form: frontal swinging type,intermittent production, centering loading coil and positioning.

·Preparation period of host unit: mill stopping and buttloading coil.

·Forming style: three-roller bending forming, externalcontrol roller sizing.

·Forming direction: right spiral forming.

·Forming angle scope: 40°～ 76°.

·Pipe max. thread pitch: ≤2400mm;

·Pipe discharing style: pipe kickoff discharging;

·Welding style: internal&external double-wiresubmerged welding;

·Welding speed: 0.5～2.5m/min;

·Delivering speed: 0.5～3 m/min;

·Installed capacity: ～ 800KW;

3.2. Technical Process:

Coil loading—uncoiling—coil peeling—centering—levelling—centering— shearing & buttwelding—centering—edge milling 1—centering—edge milling 2—cleaning —centering—delivering— prebending&guide board—forming —internal&externalwelding —cutting off—pipe outputting

3.3. Finishing area

cleaning welding slag—testing—repair welding—grinding the seam of pipe ends — making the pipe endscircle—X-ray testing—cleaning the pipe before the hydraulic testing—hydraulictesting—ultrasonic continuous detecting (pipe welding seam andplate)—ultrasonic manually detecting— beveling&end-facing—pipe ends X-raytesting—finished products testing— weighting&length measuring—marking—pipecollection—put in storage

3.4. Annual production

(Based on the three-shift) 50，000-80，000 ton

3.5. Devices list andweight

3.5.1 Main machine and finishing area device list:

N/N	Equipment name	Number	Weight(t)	Remark
Equipment list in host unit
1	Uncoiler (with feeding car)	1
2	Coil head seperating machine	1
3	Levelling machine	1
4	Shearing machine	1
5	Buuttwelding machine	1
6	Surface cleaning device	1
7	Delivering machine	1
8	Edge milling machine	2
9	Prebending&guide baord	1
10	Positioning vertical roller	5
11	Forming machine	1
12	Frontal axle	1
13	Rear axle	1
14	Centerlizer	1
15	Fly cutting car	1
16	Internal&external welding machine	1
17	Pipe dropper	7
18	Buried parts of host unit	1
19	Hydraulic system of host unit	1
20	Electric control system of host unit	1
Total weight of host unit

21	Rotary carrier roller	20
22	Pipe stopper 2	2
23	Pipe receiving & pulling machine	6
24	Inside welding grinder	4
25	Pipe carrier	9
26	2500 tons hydrostatic testing machine	1
27	Pipe wash-out machine	1
28	Pipe end aligning device	1
29	Φ3000 end facing&bevelling machine (with 29 clamp sets)	1
30	Rail	4groups
31	Pipe dropper	23
32	Pipe pulling machine	23
33	Bench	27 row
34	Initiative conveyor	187
35	Passive conveyor	14
36	Pipe stopper 1	9
37	Buried parts in finishing area	1 set
38	Hydraulic system in finishing area	1 set
39	Electric system in finishing area	1 set
Total:

3.5.2 Bought-in components list:

N/N	Equipments list	Qty	Remark	Weight(t)
40	Lincoln DC-1500	5	American Lincoln company	4
41	Submerged butt welding car	1	Domestic	0.5
42	Flux supplying&recycling device	1	Domestic	4
43	Flux disposing device	1	Domestic	1
44	Plasma cutter	2	Domestic	1.6
45	Air compressor	1	Domestic	0.5
46	Off-line ultrasonic detector	1	Domestic	20
47	X-ray testing machine	1	Domestic	25
48	Slag removal machine	1	Domestic	5
49	Weighing and length measuring machine	1	Domestic	12
50	Laser welding seam automatic tracking system	2	Domestic	4
51	Cable	1	Domestic	2
52	Pipe ends X-ray testing	2	Domestic	15
53	Chip conveyor	2	Domestic	3
Total:				92.6

3.5.3 Spare parts list:

N/N	Equipments	Qty	Remark
Mechanical spare parts
1	Ending blade	200
2	Hydraulic seal ring	2set	Buyer supply 4 regular size, and Seller provide 20 set each regular size)
3	Milling cutter	400
4	Knives	4
5	Ultrasonic probe	80
6	Forming roll	30	Total 30 pieces
7	Guide plate roll	50
8	Vertical roll	10
9	Facing cutter	2
10	2# roll lifting nuts	2
11	Stripping knife	1
12	Cleaning machine for steel belt	5
13	Boning pad roll	4
14	Plasma cutting torch	100pieces
15	Special tool	1set
16	Cycloidal reducer	2
17	Coupling nylon pin	30
18	drag chain for cable	50 knob
Hydraulic pressure spare parts
1	Electromagnetic relief valve	3
2	lubricating press	4
3	Pass Filter	4
4	Filter element	10
5	Reversing valve	10
6	Throttle	20
7	Reducing valve	2
8	Seal ring	200
9	Pressure transmitter	1
10	Manometer	10
11	Switch of manometer	5
12	Hydraumatic rubber tube	20
13	Hydraulic pipe joint	50
Electrical spare parts
1	automatic switch	19
2	AC contactor	23
3	Intermediate relay	50
4	Thermo relay	14
5	Push button	2
Total			Around 15 tons

3.5.4 Gross weight ofequipment

Around1804.1 tons

3.6. φ325-1620mmFrontal-swinging Spiral Welded Pipe Line

3.6.1 Uncoiler

Function：used to bear coil, double-conehead dismounting, double carrierroll driving

Component: feeding car, double-conehead, driving device.

Power:stepped vehicle (4KW), uncoilerparts (15KW)

Back-up roll diameter: Ф330，material quality60CrMoV, surface hardening ,RC55-60

Clamping moveable hydrocylinder：Ф140/Ф80x350 1 set

Ф140/Ф80x900 1 set

Lifting cylinder：Ф200/Ф110x900 2sets

3.6.2 Coil peeling&headstraightening machine:

Function: Use the strippingknife to open the coil, and its function is to uncoil the strip end andto make it going into 7-pinch roll in right direction.

Component: scraper knifeunit, three-roll leveller, gearing.

Power:15KW

Scraper knife: materialquality 50 Mn, heat treatment hardness HRC50-55

Straightening head rolldiameter: Ф320，material quality 60CrMoV, surfacehardening, HRC55-60

Coil peelinghydro-cylinder: Ф220/Ф125x800 2 set

Middle push-up cylinder:Ф220/Ф125x360 2 set

Outboard push-up cylinder:Ф200/Ф110x80 2 set

Sliding oil cylinder: Ф140/Ф80x500 2 set

Clutch cylinder:Ф80/Ф55x50 2 set

3.6.3 Pinching&leveling Machine

Function:The press down adopts the hydro cylinder and leveling roller is driven by motorand reducer. Its function is to pull the steel strip from the Uncoiler.

Component:Pinching machineconsists of pinch roller, frame, press-down and drive unit etc.

Basic layout types of levelingroll: upper three lower two

Transmission types ofleveling roll: DC motor 132KW, All-roller transmission.

Diameter of leveling roll: Ф260，material quality 60CrMoV，surface hardening, HRC55-60

3.6.4 Electric vertical roller

Function: Electrically align the strip and bidirection adjust,is used to regulate centerization and profile-guide strip

Power: 5.5KW

Component: composed of transmission device,vertical roll device and the pedestal,regulated by screw guide.

Material quality of vertical roller: 9Cr2Mo, hardening on the roll surface HRC55-60.

3.6.5Shearing&Buttwelding Device：

Function: to cut plate end&tail, then align and butt-weldthem. Then mill off the high-parts.

Structure: Composed of mobile device, machine body, andfrontal&back pressing plate.

Milling types: mechanical

Milling head feeding type:frequency control

Platepressing way: hydraulic cylinder

Shearing way：plasma cutting

Weldingway: semi-automatic submerged-arc welding

shiftercylinder: Ф125/Ф90x1200 2set

Solderpad cylinder: Ф80/Ф45x100 3set

Diameterof cylinder for shear: Ф400/Ф220x250 1 set

Cylinderfor shear and press steel plate: Ф125/Ф90x100 3 set

Cylinder for butt joint and press steel plate: Ф125/Ф90x100 4 set

Milling cutter motor: 7.5KW

Milling cutter motor: 3KW

3.6.6 Edge milling machine:

Function:To mill welding grooves in both sides of steel strip.

Structure: Consist of milling head device, body device andpressing roller device.

Millingkinfe driving style: AC variable frequency 55KW×2 pcs

Millingdepth: max. 5mm

Millingspeed: 135-180m/min.

Adjustingstyle of milling speed: auto-adjustment on basis of plate thickness and millingdepth.

Millingprecision: plate width difference: ±0.5 mm;

straight-sidewidth difference: ±0.3 mm;

groove angle difference: ±2.5°;

Grooveshape: X-direction 30°, Y-direction 30°

Stripspeed: 0.5-2.5m/min;

Pressingstyle of milling knife: hydraulic pressure pressing down;

Adjustingstyle of milling depth: electric power;

Adjustingstyle of milling knife depth: auto-adjustment of milling knife depth on basisof strip depth;

Cuttertransmission: low-shaking chain transmission, chain continuous lubrication byoil tank;

Surfaceroughness after milling: 6.3

Maincomponents: milling head device, sliding rack, pedestal assembly, pressingroller in the middle and scraps removing device.

² Milling head device:

Ø Milling cutter is transmitted by low-shaking chain, chain wheeland wheelbox through one AC motor, chain continuous lubrication by oil tank.The whole head move certain angle to meet with milling groove.

Shanxi Gelande Mechannical & Electric Technology C

3000 SSAW PIPE MILL