Buttweld Fittings manufacturer in India

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ASME B16.9 Fittings & A106 Bends supplier in Mumbai

What is Buttweld Pipe Fittings?
A Buttweld Pipe Fittings can be defined as weldable pipe fitting that helps in performing a wide range of tasks, like changing the flow direction, combining or dividing the flow, reducing the pipe size, and also attaching any kind of auxiliary equipment. The Buttweld Pipe Fittings are an important part of the piping industry. They are available in nominal sizes with definite schedules. Also, their dimensions and tolerances are defined according to the ASME B16.9 standard.
The Buttweld Pipe Fittings are made of stainless or carbon steel, and they have several advantages compared to the forged pipe fittings. Some benefits would include:

  • The connection is more robust.
  • It comes with a continuous metal structure which enhances the pipe’s strength.
  • It offers seamless flow inside the pipe, when the fittings are matched with the pipe schedules.

There are different types of buttweld pipe fittings available like tee, reducer, cross, caps, elbows, etc. They are structurally different and hence can be used for a wide range of uses, across different industries.

Seamless Vs Welded Pipe Fittings
There are several differences between the Seamless Pipe Fittings and the Welded Pipe Fittings, like:

  • The seamless pipe fitting can resist corrosion more effectively compared to the welded fittings. It is because the seamless variants do not have any joints like the welded ones, when corrosion attacks can happen.
  • The welded fittings are more affordable than the seamless ones.
  • The surface consistency of welded fittings is higher than that of the seamless fitting.
  • The seamless variants can be formed at once by the rolling process. The welded variants are made by bending steel plates and then applying various welding methods.
  • The seamless fitting come with a higher strength and pressure capacity compared to the welded fittings. Thus, the seamless ones are used in more high-pressure applications.
  • Seamless fittings are capable of withstanding more severe conditions than the welded fitting and thus they are preferred for various services across different industries.

How are Buttweld fittings made?
Buttweld pipe fitting are made by the hot forming process which bends and forms to shape. Firstly, the material is cut according to the length and then it is heated and molded to give the desired shape. The heat treatment helps to remove residual stress, along with obtaining various mechanical properties, as desired. There are a wide range of processes used for manufacturing different types of buttweld fittings. For example, buttweld tees are manufactured by extrusion method, elbows by mandrel method, and caps by the deep drawing method.

Where to use Weldable Pipe Fittings?
The weldable pipe fittings are made of different materials like carbon steel and stainless steel. They are the joining components which help to assemble different piping components. They are affordable than buutweld fittings, and are primarily used in less critical applications. They can fit in places where there is a space constraint.

Buttweld Fittings manufacturer in India

Buttweld Fittings manufacturer in India

European Directive 2014/68/eu certified Buttweld Fittings manufacturers in India offers widest selection of Return Bend and ASME B16.9 3D/5D Elbow in Mumbai

Table of Content


Size NPS 1/2″ to 48″
Schedule Sch 20, 40, STD, 80, 160, XXS
Grade WPB/C, WPHY 42, 46, 52, 60, 65, 70, WPL 3
Bending Radius Provided By Manufacturer R=1D, 3D, 2D, 5D, 8D, 6D, 10D
Manufacturing process Push, Forge, Press, Cast, etc.
Connection Welding
Origin & Mills European, Japanese, USA, Korean, Ukraine, Indian, Russian
Thread Provided By Manufacturer BSPT, NPT, BSPP
Application Metallurgy, Gas, Petroleum, Chemical, Power, Construction, Shipbuilding etc
Nominal
Pipe
Sizes		 O.D. 90° Elbows 45° Elbows 180° Returns
(inches)   LR SR LR LR
  (Millimetre) (inch) Center to Face
(inch)		 Center to Face
(inch)		 Center to Face
(inch)		 Radii
(inch)		 Center to Center
(inch)		 Back to face
(inch)
1/2 21.3 0.840 1 1/2 – 5/8   2 1 7/8
3/4 26.7 1.050 1 1/8 – 7/16   2 1/4 1 11/16
1 33.4 1.315 1 1/2 1 7/8   3 2 3/16
1 1/4 42.2 1.660 1 7/8 1 1/4 1   3 3/4 2 3/4
1 1/2 48.3 1.900 2 1/4 1 1/2 1 1/8 3 4 1/2 3 1/4
2 60.3 2.375 3 2 1 3/8 4 6 4 3/16
2 1/2 73.0 2.875 3 3/4 2 1/2 1 3/4 5 7 1/2 5 3/16
3 88.9 3.500 4 1/2 3 2 6 9 6 1/4
3 1/2 101.6 4.000 5 1/4 3 1/2 2 1/4 7 10 1/2 7 1/4
4 114.3 4.500 6 4 2 1/2 8 12 8 1/4
5 141.3 5.563 7 1/2 5 3 1/8 10 15 10 5/16
6 168.3 6.625 9 6 3 3/4 12 18 12 5/16
8 219.1 8.625 12 8 5 12 24 16 5/16
10 273.1 10.750 15 10 6 1/4 15 30 20 3/8
12 323.9 12.750 18 12 7 1/2 18 36 24 3/8
NPS (Normal Pipe Size) Ave.
I.D. (Inside Daimeter)		 O.D. (Outside Diameter) Maximum
W.P.
psi		 Minimum
WALL		 Normal
Weight Chart
1/4" .344 .540 780 .088 .086
3/8" .473 .675 620 .091 .115
3/4" .804 1.050 480 .113 .226
1" 1.029 1.315 450 .133 .333
*1-1/4" 1.360 1.660 370 .140 .450
*1-1/2" 1.590 1.900 330 .145 .537
*2" 2.047 2.375 280 .154 .720
1/2" .602 .840 590 .109 .170
2-1/2" 2.445 2.875 300 .203 1.136
*3" 3.042 3.500 260 .216 1.488
3-1/2" 3.521 4.000 240 .226 1.789
*4" 3.998 4.500 220 .237 2.118
5" 5.016 5.563 190 .258 2.874
*6" 6.031 6.625 180 .280 3.733
*8" 7.942 8.625 160 .322 5.619
*20" 18.743 20.000 120 .593 24.183
*10" 9.976 10.750 140 .365 7.966
*12" 11.889 12.750 130 .406 10.534
*16" 14.940 16.000 130 .500 16.286
*18" 16.809 18.000 130 .562 20.587
*14" 13.073 14.000 130 .437 12.462
*24" 22.544 24.000 120 .687 33.652
NOMINAL PIPE SIZE OUTSIDE DIAMETER CENTER TO END
Inch. OD A B C
1/2 21.3 38 16 –
3/4 26.7 29 11 –
1 33.4 38 22 25
1 1/4 42.2 48 25 32
1 1/2 48.3 57 29 38
2 60.3 76 35 51
2 1/2 73 95 44 64
3 88.9 114 51 76
3 1/2 101.6 133 57 89
4 114.3 152 64 102
5 141.3 190 79 127
6 168.3 229 95 152
8 219.1 305 127 203
10 273.1 381 159 254
12 323.9 457 190 305
14 355.6 533 222 356
16 406.4 610 254 406
18 457.2 686 286 457
20 508 762 318 508
22 559 838 343 559
24 610 914 381 610
26 660 991 406 660
28 711 1067 438 711
30 762 1143 470 762
32 813 1219 502 813
34 864 1295 533 864
36 914 1372 565 914
38 965 1448 600 965
40 1016 1524 632 1016
42 1067 1600 660 1067
44 1118 1676 695 1118
46 1168 1753 727 1168
48 1219 1829 759 1219

1/2" - 32" NB seamless butt weld Fittings and ASME B16.9 Pipe Fittings manufacturer in India in alloy, stainless and carbon steel

Buttweld Fitting Price Per Piece in India ASME B16.9 Pipe Fitting Price in INR ASME B16.9 Fitting Price in UAE Dirham Pipe Fitting Price in USD
1-1/2 NB SCH 80 A 403 WP 304/304 L 90 DEG SR Per Kg 365 UAE Dirham 18.02 $4.91
CARBON STEEL GR A234 WPB STUB END STD WT Per Kg 1,719 UAE Dirham 23.11 $84.88
MILD STEEL SEAMLESS BUTTWELD FITTING A234 GR WPB Per Piece 43 UAE Dirham 2.12 $0.58
  • Flanges bolt together pipes, whereas butt weld fitting weld together pipes.
  • Butt weld fittings require 10% to 75% less material than flanged connections, depending on size, resulting in lower material cost and weight.
  • Welded construction allows for greater design flexibility; this system takes up less space, is more compact, and has greater strength.
  • Butt weld fittings have optimum flow characteristics because they lack pockets and sharp corners, resulting in less frictional resistance, no pressure loss, and less turbulence.

A butt weld pipe fitting is intended to be welded on-site at its end(s) to connect pipe(s) and allow for changes in direction, pipe diameter, branching, or ending. This fitting is then used as part of a fluid transport system.

Check Long Radius Bends and schedule 40 Pipe Fitting dimensions in accordance with ASME B16.9/ B16.28/ MSS SP-25
Buttweld Fittings

Buttweld Fittings

ASME B16.9 Fittings

ASME B16.9 Fittings

A106 Bends

A106 Bends

ASME B16.9 3D Elbow

ASME B16.9 3D Elbow

ASME B16.9 Pipe Fittings

ASME B16.9 Pipe Fittings

ASME B16.9 Seamless Pipe Fittings

ASME B16.9 Seamless Pipe Fittings

ASME B16.9 Weld Fittings

ASME B16.9 Weld Fittings

Buttweld Pipe Fittings

Buttweld Pipe Fittings

ANSI B16.9 Fittings

ANSI B16.9 Fittings

Pipe Fittings

Pipe Fittings

Seamless Buttweld Pipe Fittings

Seamless Buttweld Pipe Fittings

Seamless Buttweld Fittings

Seamless Buttweld Fittings

Pipe Weld Fittings

Pipe Weld Fittings

Seamless Pipe Fittings

Seamless Pipe Fittings

Welded Pipe Fittings

Welded Pipe Fittings

Buttweld Elbow

Buttweld Elbow

Buttweld End Cap

Buttweld End Cap

Buttweld Tee

Buttweld Tee

90 Degree Pipe Elbow

90 Degree Pipe Elbow

90 Degree Elbow

90 Degree Elbow

180 Degree Elbow

180 Degree Elbow

180 Degree Pipe Elbow

180 Degree Pipe Elbow

180 Degree Black Pipe Elbow

180 Degree Black Pipe Elbow

180 Degree Steel Pipe Elbow

180 Degree Steel Pipe Elbow

Long Radius Elbow

Long Radius Elbow

Long Radius Pipe Elbow

Long Radius Pipe Elbow

Short Radius Elbow

Short Radius Elbow

Aluminum Short Radius Pipe Elbow

Aluminum Short Radius Pipe Elbow

Equal Pipe Tee

Equal Pipe Tee

Reducing Tee

Reducing Tee

Buttweld Concentric Reducer

Buttweld Concentric Reducer

Buttweld Reducer

Buttweld Reducer

Eccentric Buttweld Reducer

Eccentric Buttweld Reducer

Pipe Eccentric Reducer

Pipe Eccentric Reducer

Pipe End Cap

Pipe End Cap

Long Stub End

Long Stub End

Long Collar Stub End

Long Collar Stub End

Short Stub End

Short Stub End

Short Pattern Stub End

Short Pattern Stub End

Stub End Short Collar

Stub End Short Collar

Lap Joint Stub End

Lap Joint Stub End

Pipe Lap Joint Stub End

Pipe Lap Joint Stub End

Jis Lap Joint Stub End

Jis Lap Joint Stub End

Equal Cross

Equal Cross

Reducing Pipe Cross

Reducing Pipe Cross

Reducing Cross

Reducing Cross

Lateral Tee

Lateral Tee

Reducing Lateral Tee

Reducing Lateral Tee

45 Degree Lateral Tee

45 Degree Lateral Tee

45 Degree Pipe Elbow

45 Degree Pipe Elbow

45 Degree Steel Pipe Elbow

45 Degree Steel Pipe Elbow

45 Degree Black Pipe Elbow

45 Degree Black Pipe Elbow

45 Degree Elbow

45 Degree Elbow

ASME B16.9 Seamless Fittings

ASME B16.9 Seamless Fittings

ASME B16.9 Welded fittings

ASME B16.9 Welded fittings

EN 10253-4 Fittings

EN 10253-4 Fittings

EN 10253-2 Elbow

EN 10253-2 Elbow

DIN 2617 Cap

DIN 2617 Cap

EN 10253-2 Reducer

EN 10253-2 Reducer

En 10253-2 Concentric Reducer

En 10253-2 Concentric Reducer

  • The diameter, wall thickness, and shape or configuration of pipe fitting are all measured.
  • The outside diameter of a pipe or fitting is referred to as its diameter.
  • Nominal Pipe Size is the North American standard (NPS). Diameter Nominal is the International Standard (DN). Pipes and fittings are manufactured in similar sizes all over the world; they are simply labelled differently.
  • Outside diameters are slightly larger than indicated size from 12 in to 12 in "Nominal Pipe Size"; inside diameters get smaller as schedules grow.
  • The term schedule, often abbreviated as sch, refers to the wall thickness of a pipe or pipe fitting in North America. Higher schedules imply thicker walls that can withstand greater pressures.
  • These wall thicknesses are defined by pipe standards: SCH 5, 10, 5S, 10S, 30, 40, 40S, 20, 60, 80S, XS, 100, 80, 120, 160, 140, STD, and XXS.
  • Higher schedules are heavier and require more material, and are thus more expensive to manufacture and install.

ASME B16.9 Schedule 10/ Schedule 80S ASME B16.9 Weld Fittings, and ASME B16.9 Seamless Pipe Fittings manufacturer in India
  • To meet performance requirements or for manufacturing reasons, fitting are sometimes thicker than connecting pipes.
  • When compared to a pipe, stress is very different due to fitting geometry. Extra material is frequently required to compensate for such additional stress, particularly in tees and tight curve elbows.
  • Diameter
  • Length
  • Thickness schedule no
  • Straightness & perpendicularity of the ends of the fitting
  • Degree of elbows & bends
  • And Concentricity of reducer
  • Selection of raw material: metal; plate or pipe.
  • Cutting
  • Heating
  • Forming
  • Welding: for fittings that are not simple elbows, returns, bends, reducers or caps.
  • Inspection and tests: according to standards and client requirements.
  • Coating (if required).
  • Preparation of documentation.
  • Shipping.

ISO 9001:2015 certified Buttweld Fittings manufacturers in India offers large selection of NB-3642.2 ANSI/ ASME B16.28 Pipe Fittings in Mumbai
  • Dye or liquid penetrant
  • Ferrite content
  • Hydrostatic
  • Magnetic particles
  • Macrography
  • Micrography
  • Pneumatic pressure
  • Positive material identification
  • Radiography
Buttweld Fittings ASME B16.9 Tolerance (Elbow, Cap, Tee, Reducer) 90 Deg. & 45 Deg.
Elbow and Tee		 Pipe Reducer
& Lap Joint
Stub End		 Pipe Cap
Buttweld Fitting Dimension (NPS) Outside
Diameter
at Bevel		 Inside
Diameter
at End		 WallThickness T Center-to-End
Dimension
A ,C ,B		 Over-all
Length H		 Over-all
Length F
1/2 to 2-1/2 +0.06 Not less than 87.5%
of nominal thickness		 +/- 0.06 +/- 0.06 +/- 0.12
-0.03
3 to 3-1/2 +/- 0.06 +/- 0.06 +/- 0.06 +/- 0.06 +/- 0.12
4 +/- 0.06 +/- 0.06 +/- 0.06 +/- 0.06 +/- 0.12
5 to 8 +/- 0.06 +/- 0.06 +/- 0.06 +/- 0.06 +/- 0.25
10 to 18 +0.16 +/- 0.12 +/- 0.09 +/- 0.09 +/- 0.25
-0.12
20 to 24 +0.25 +/- 0.19 +/- 0.09 +/- 0.09 +/- 0.25
-0.19
26 to 30 +0.25 +/- 0.19 +/- 0.12 +/- 0.19 +/- 0.38
-0.19
32 to 48 +0.25 +/- 0.19 +/- 0.19 +/- 0.19 +/- 0.38
-0.19
  • Food Processing and Dairy Industries
  • High Pressure Applications
  • Chemical Refinery
  • Oil and Gas Industry
  • Nuclear Power Plants
  • Water Pipe Line
  • Paper & Pulp
  • High Temperature Application
  • Radial Driling Machine
  • Tee Cold Forming Machines
  • Elbow Cold Forming Machines
  • Oil Fired Heat Treatment Furnace
  • Heat Treatment For Forged Fittings
  • Portable Temperature Indicator
  • Tee Beveling Machine
  • CNC Lath
  • Hydraulic Press 150 Tons Capacity
  • Hydraulic Press 300 Tons Capacity

Seamless elbows are formed from seamless steel pipes using hot pushing, pressing, or extrusion methods, and they have no welds. Welded elbows smaller than DN600 are typically formed of welded steel pipes and are produced in the same manner as seamless elbows. The elbows, however, have a welded seam. Welding elbows with diameters more than DN600 are composed of steel plates and have two welds.

Outside diameter Height Wall thickness Weight
mm mm mm kg
D s1
21,3 25,0 2,0 0,060
26,9 32,0 2,3 0,070
33,7 38,0 2,6 0,110
3,2 0,130
42,4 38,0 2,6 0,130
3,6 0,170
48,3 38,0 2,6 0,200
4,0 0,230
60,3 38,0 2,9 0,280
4,5 0,320
76,1 38,0 2,9 0,340
5,0 0,390
88,9 51,0 3,2 0,530
5,6 0,700
108,0 64,0 3,6 1,000
114,3 64,0 3,6 1,000
6,3 1,500
133,0 76,0 4,0 1,600
139,7 76,0 4,0 1,700
6,3 2,500
159,0 90,0 4,5 2,400
168,3 89,0 4,5 2,650
7,1 3,550
219,0 100,0 6,3 5,550
8,0 6,700
273,0 127,0 6,3 8,800
323,9 152,0 7,1 14,000
355,6 165,0 8,0 16,500
406,4 178,0 8,8 18,200
508,0 229,0 11,0 38,000

180 Degree Elbow

Nom. Pipe Size Pipe Sched. or No. Center- to-Center Dimen. Back- to- Face Outside Dia. Inside Dia. Wall Thick. Approx. Weight (lb.)
H J OD ID T
STANDARD WEIGHT
1/2 40 3 1 7/8 0.840 0.622 0.109 0.3
3/4 40 2 1/2 1 11/16 1.050 0.824 0.113 0.3
1 40 3 2 3/16 1.315 1.049 0.133 0.7
1 1/4 40 3 3/4 2 3/4 1.660 1.380 0.140 1
1 1/2 40 4 1/2 3 1/4 1.900 1.610 0.145 1.5
2 40 6 4 3/16 2.375 2.067 0.154 3
2 1/2 40 7 1/2 5 3/16 2.875 2.469 0.203 6
3 40 9 6 1/4 3.500 3.068 0.216 9
3 1/2 40 10 1/2 7 1/4 4.000 3.548 0.226 12
4 40 12 8 1/4 4.500 4.026 0.237 17
5 40 15 10 5/16 5.563 5.047 0.258 28
6 40 18 12 5/16 6.625 6.065 0.280 46
8 40 24 16 5/16 8.625 7.981 0.322 90
10 40 30 20 3/8 10.750 10.020 0.365 156
12 – 36 24 3/8 12.750 12.000 0.375 236
14 30 42 28 14.000 13.250 0.375 294
16 30 48 32 16.000 15.250 0.375 404
18 – 54 36 18.000 17.250 0.375 512
20 20 60 40 20.000 19.250 0.375 617
24 20 72 48 24.000 23.250 0.375 886

Reducing Cross

Nominal Diameter Outside Diameter Center to End
D1 D2
DN NPS Series A Series B Series A Series B C M
15*15 1/2*1/2 21.3 18 21.3 18 25 25
15*10 1/2*3/8 21.3 18 17.3 14 25 25
15*8 1/2*1/4 21.3 18 13.7 10 25 25
20*20 3/4*3/4 26.9 25 26.9 25 29 29
20*15 3/4*1/2 26.9 25 21.3 18 29 29
20*10 3/4*3/8 26.9 25 17.3 14 29 29
25*25 1*1 33.7 32 33.7 32 38 38
25*20 1*3/4 33.7 32 26.9 25 38 38
25*15 1*1/2 33.7 32 21.3 18 38 38
32*32 1.1/4*1.1/4 42.4 38 42.4 38 48 48
32*25 1.1/4*1 42.4 38 33.7 32 48 48
32*20 1.1/4*3/4 42.4 38 26.9 25 48 48
32*15 1.1/4*1/2 42.4 38 21.3 18 48 48
40*40 1.1/2*1.1/2 48.3 45 48.3 45 57 57
40*32 1.1/2*1.1/4 48.3 45 42.4 38 57 57
40*25 1.1/2*1 48.3 45 33.7 32 57 57
40*20 1.1/2*3/4 48.3 45 26.9 25 57 57
40*15 1.1/2*1/2 48.3 45 21.3 18 57 57
50*50 2*2 60.3 57 60.3 57 64 64
50*40 2*1.1/2 60.3 57 48.3 45 64 60
50*32 2*1.1/4 60.3 57 42.4 38 64 57
50*25 2*1 60.3 57 33.7 32 64 51
50*20 2*3/4 60.3 57 26.9 25 64 44
65*65 2/1/2*2.1/2 73.0 76 73.0 76 76 76
65*50 2/1/2*2 73.0 76 60.3 57 76 70
65*40 2/1/2*1.1/2 73.0 76 48.3 45 76 67
65*32 2/1/2*1.1/4 73.0 76 42.4 38 76 64
65*25 2/1/2*1 73.0 76 33.7 32 76 57
80*80 3*3 88.9 89 88.9 89 86 86
80*65 3*2.1/2 88.9 89 73.0 76 86 83
80*50 3*2 88.9 89 60.3 57 86 76
80*40 3*1.1/2 88.9 89 48.3 45 86 73
80*32 3*1.1/4 88.9 89 42.4 38 86 70
90*90 3.1/2*3.1/2 101.6 - 101.6 - 95 95
90*80 3.1/2*3 101.6 - 88.9 89 95 92
90*65 3.1/2*2.1/2 101.6 - 73.0 76 95 89
90*50 3.1/2*2 101.6 - 60.3 57 95 83
90*40 3.1/2*1.1/2 101.6 - 48.3 45 95 79
100*100 4*4 114.3 108 114.3 108 105 105
100*90 4*3.1/2 114.3 108 101.6 - 105 102
100*80 4*3 114.3 108 88.9 89 105 98
100*65 4*2.1/2 114.3 108 73.0 76 105 95
100*50 4*2 114.3 108 60.3 57 105 89
100*40 4*1.1/2 114.3 108 48.3 45 105 86
125*125 5*5 141.3 133 141.3 133 124 124
125*100 5*4 141.3 133 114.3 108 124 117
125*90 5*3.1/2 141.3 - 101.6 - 124 114
125*80 5*3 141.3 133 88.9 89 124 111
125*65 5*2.1.2 141.3 133 73.0 76 124 108
125*50 5*2 141.3 133 60.3 57 124 105
150*150 6*6 168.3 159 168.3 159 143 143
150*125 6*5 168.3 159 141.3 133 143 137
150*100 6*4 168.3 159 114.3 108 143 130
150*90 6*3.1/2 168.3 - 101.6 - 143 127
150*80 6*3 168.3 159 88.9 89 143 124
150*65 6*2.1/2 168.3 159 73.0 76 143 121
200*200 8*8 219.1 219 219.1 219 178 178
200*150 8*6 219.1 219 168.3 159 178 168
200*125 8*5 219.1 219 141.4 133 178 162
200*100 8*4 219.1 219 114.3 108 178 156
200*90 8*3.1/2 219.1 - 101.6 - 178 152
250*250 10*10 273.0 273 273.0 273 216 216
250*200 10*8 273.0 273 219.1 219 216 203
250*150 10*6 273.0 273 168.3 159 216 194
250*125 10*5 273.0 273 141.3 133 216 191
250*100 10*4 273.0 273 114.3 108 216 184
300*300 12*12 323.9 325 323.9 325 254 254
300*250 12*10 323.9 325 273.0 273 254 241
300*200 12*8 323.9 325 219.1 219 254 229
300*150 12*6 323.9 325 168.3 159 254 219
300*125 12*5 323.9 325 141.3 133 254 216
350*350 14*14 355.6 377 355.6 377 279 279
350*300 14*12 355.6 377 323.9 325 279 270
350*250 14*10 355.6 377 273.0 273 279 257
350*200 14*8 355.6 377 219.1 219 279 248
350*150 14*6 355.6 377 168.3 159 279 238
400*400 16*16 406.4 426 406.4 426 305 305
400*350 16*14 406.4 426 355.6 377 305 305
400*300 16*12 406.4 426 323.9 325 305 295
400*250 16*10 406.4 426 273.0 273 305 283
400*200 16*8 406.4 426 219.1 219 305 273
400*150 16*6 406.4 426 168.3 159 305 264
450*450 18*18 457 480 457 480 343 343
450*400 18*16 457 480 406.4 426 343 330
450*350 18*14 457 480 355.6 377 343 330
450*300 18*12 457 480 323.9 325 343 321
450*250 18*10 457 480 273.0 273 343 308
450*200 18*8 457 480 219.1 219 343 298
500*500 20*20 508 530 508 530 381 381
500*450 20*20 508 530 457 480 381 368
500*400 20*20 508 530 406.4 426 381 356
500*350 20*20 508 530 355.6 377 381 356
500*300 20*20 508 530 323.9 325 381 346
500*250 20*20 508 530 273.0 273 381 333
500*200 20*20 508 530 219.1 219 381 324

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