Steel Pipe Bends and Elbows Full Specification Pipe Bending Radius | Zizi https://www.zzfittings.com/products/steel-pipe-bends/ Top Steel Pipe Fittings Manufacturer Thu, 06 Nov 2025 06:49:53 +0000 zh-Hans hourly 1 https://wordpress.org/?v=6.9.1 224578074 Bend Pipe Fittings https://www.zzfittings.com/product-details/bend-pipe-fittings/ Thu, 04 Jul 2019 07:44:27 +0000 https://www.zzfittings.com/?post_type=products&p=4577 Steel pipe bend is a pipe fittings which used to change […]

The post Bend Pipe Fittings appeared first on Quality Manufacturer of Industrial Pipe Fittings.

]]> Steel pipe bend is a pipe fittings which used to change direction of the pipeline for some specific reason. The manufacturing are cold and hot heating. While Bending pipe in the heating process, the heating process should be slow and uniform, so as to ensure the thermal conductivity of the pipe, we should pay attention to avoid overheating and carburizing.

Industrial Process for ASME B16.49 Bend Pipe Fittings

Industrial process utilizes induction heating to heat a nar-row band 360 degree around a pipe or cylinder at the point of bending as the pipe or cylinder is being pushed through the inductor coil at a constant velocity. After the material passes through the coil,it may be cooled by forced air or water spray,or it may be allowed to cool in still air. Bends in any producible wall thickness and diameter are covered. Standard bends may be produced from seamless pipe,welded pipe,or cylinders.

In simple and short words, it will be bending, squeezing, pressing, forging, machining and more.

Standard Marking

  1. Manufacturer’s Name or Trademark
  2. Heat Number
  3. Material Grade
  4. ASME B16.49
  5. Nominal Pipe Size
  6. Nominal Wall Thickness
  7. Bend Radius
  8. Bend Anlge

Bend Dimensional Terms

Steel Pipe Bend Dimensions

Steel Pipe Bend Dimensions

Bending Radius

R≥3D (R= 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D) D means outside diameter.

What is Bend Angle?

Normally 15°, 30°, 45°, 60°, 90°, 135°, 180° or at customer’s option.

Straight Length (L) for Bend

Normally between 300mm and 1500mm in length of straight. It is also at customer’s option.

Application of Buttweld Elbow & Bend

AME B16.9 Buttweld elbows & ASME B16.49 bends are widely used in many industries, such as power generation, petroleum, natural gas, chemicals, shipbuilding, heating, paper-making, metallurgy and so on.

Weight formula of ASME B16.49 Bend Pipe Fittings

Weight / kg = 0.0433 ( D – T ) TRθ / 100000 + L

D = Outside diameter

T = Thickness in mm

R = Bend radius

θ = Bend angle

L = Weight of double sides straight length

3D Bend Weight Chart

Nominal  Size Sch20 Sch30 STD Sch40 Sch60     XS Sch80 Sch100 Sch120 Sch140 Sch160     XXS
DN NPS
20

25

32

 3/4

1

11/4

 –

–

–

 0.14

0.29

0.47

 0.17

0.33

0.56

 0.17

0.33

0.56

 –

–

–

     0.22

0.43

0.48

 0.22

0.43

0.73

 –

–

–

 –

–

–

 –

–

–

 0.29

0.56

0.92

     0.36

0.72

1.28
40

50

65

 11/2

2

21/2

 –

–

–

 0.70

1.18

2.64

 0.80

1.43

2.83

 0.80

1.43

2.83

 –

–

–

     1.07

1.97

3.75

 1.07

1.97

3.75

 –

–

–

 –

–

–

 –

–

–

 1.43

2.92

4.90

     1.88

3.53

6.70
80

90

100

 3

31/2

4

 –

–

–

 3.92

5.27

6.80

 4.47

6.26

8.47

 4.47

6.26

8.47

 –

–

–

     6.04

8.60

11.8

 6.04

8.60

11.8

 –

–

–

 –

–

14.9

 –

–

–

 8.45

–

17.7

     11.0

–

21.6
125

150

200

 5

6

8

 –

–

35.1

 –

–

38.8

 14.3

22.3

44.8

 14.3

22.3

44.8

 –

–

56.0

     20.4

33.6

68.1

 20.4

33.6

68.1

 –

–

80.0

 26.5

42.8

95.3

 –

–

106

 32.3

53.4

117

     37.8

62.6

114
250

300

350

 10

12

14

 55.0

78.5

125

 67.2

103

150

 79.4

117

150

 79.4

126

174

 107

172

234

     107

154

198

 126

209

292

 151

252

359

 175

295

414

 204

329

468

 227

377

519

     204

295

–
400

450

500

 16

18

20

 164

208

309

 196

290

409

 196

249

309

 260

369

483

 337

488

653

     260

330

409

 429

604

819

 517

734

1005

 604

862

1163

 702

968

1338

 770

1089

1487

  –

–

–
550

600

650

 22

24

26

 374

446

694

 496

663

–

 374

446

523

 –

807

–

 852

1123

–

     496

591

694

 1083

1397

–

 1307

1731

–

 1526

2023

–

 1740

2276

–

 1947

2554

–

  –

–

–
700

750

800

 28

30

32

 806

927

1056

 1004

1154

1315

 608

699

796

 –

–

1445

 –

–

–

     806

927

1056

 –

–

–

 –

–

–

 –

–

–

 –

–

–

 –

–

–

  –

–

–
850

900

950

 34

36

38

 1194

1338

–

 1487

1667

–

 899

1008

1124

 1634

1993

–

 –

–

–

     1194

1338

1493

 –

–

–

 –

–

–

 –

–

–

 –

–

–

 –

–

–

  –

–

–
1000

1050

1100

 40

42

44

 –

–

–

 –

–

–

 1246

1374

1509

 –

–

–

 –

–

–

     1655

1826

2006

 –

–

–

 –

–

–

 –

–

–

 –

–

–

 –

–

–

  –

–

–
1150

1200

 46

48

 –

–

 –

–

 1649

1797

 –

–

 –

–

     2191

2388

 –

–

 –

–

 –

–

 –

–

 –

–

  –

–

3D Bend Dimensions

Standard: ASME B16.9, DL/T515, SY5257

Size: DN 15 to 1200 / NPS 1/2 to 48

Thickness : ≤120mm

Angle: 45 °, 90°, 180 °

Material: Carbon Steel, Alloy Steel, Stainless Steel, Duplex Steel.

Nominal Size Outside Diameter at Bevel Center to End Center to Center Back to Face
90°     Elbows 45°          Elbows 180                                                                                        Returns
    DN NPS OD A B O K
3D 3D LR SR LR SR
15  1/2 21.3 76 48
20  3/4 26.7 57 24 76 51
25 1 33.4 76 31 76 51 56 41
32 1 1/4 42.2 95 39 95 64 70 52
40 1 1/2 48.3 114 47 114 76 83 62
50 2 60.3 152 63 152 102 106 81
65 2 1/2 73.0 190 79 190 127 132 100
80 3 88.9 229 95 229 152 159 121
90 3 1/2 101.6 267 111 267 178 184 140
100 4 114.3 305 127 305 203 210 159
125 5 141.3 381 157 381 254 262 197
150 6 168.3 457 189 457 305 313 237
200 8 219.1 610 252 610 406 414 313
250 10 273.0 762 316 762 508 518 391
300 12 323.8 914 378 914 609 619 467
350 14 355.6 1067 441 1067 711 711 533
400 16 406.4 1219 505 1219 813 813 610
450 18 457.0 1372 568 1372 914 914 686
500 20 508.0 1524 632 1524 1016 1016 762
550 22 559.0 1676 694 1676 1118 1118 838
600 24 610.0 1829 757 1829 1219 1219 914
650 26 660.0 1981 821
700 28 711.0 2134 883
750 30 762.0 2286 964
800 32 813.0 2438 1010
850 34 864.0 2591 1073
900 36 914.0 2743 1135
950 38 965.0 2896 1200
1000 40 1016.0 3048 1264
1050 42 1067.0 3200 1326
1100 44 1118.0 3353 1389
1150 46 1168.0 3505 1453
1200 48 1219.0 3658 1516

Carbon Steel Pipe Bend

ASTM A106B, A53B, API 5L B, API 5L X42, X52, X60, X65, X70, A333 GRADE  3 / 6 / 9

Alloy Steel Bend and Elbow

ASTM A335 P1, P5, P9, P11, P12, P22, P91

Stainless Steel Bend Pipe Fittings

ASTM A312 TP304/304L/304H, TP316/316L, TP310, TP317, TP321, TP309, TP347

Duplex Steel 5D Bend

ASTM A815 UNS S31803, S32205, S32550, S32750, S32760

What is Difference between Pipe Elbow and Bend?

ASME B16.49 Pipe bends typically have a minimum bending radius of 1.5 times pipe radius (R). If this bending radius is less than 1.5R, it is called Elbow. For example, 1.5D elbow we call it as long radius ( LR) elbow and 1D elbow as short radius ( SR) elbow.

The post Bend Pipe Fittings appeared first on Quality Manufacturer of Industrial Pipe Fittings.

]]> 4577 Stainless Steel Pipe Bends https://www.zzfittings.com/product-details/stainless-steel-pipe-bends/ Fri, 24 May 2019 05:12:57 +0000 https://www.zzfittings.com/?post_type=products&p=4260 Stainless steel pipe bends are available in 90 degree a […]

The post Stainless Steel Pipe Bends appeared first on Quality Manufacturer of Industrial Pipe Fittings.

]]> Stainless steel pipe bends are available in 90 degree and 45 degree, while 3D and 5D bend pipe fittings are very common used in the industries.

As a reliable supplier of stainless steel pipe fittings, we offer 90 degree bends R=3D 12″ Sch 40S  ASTM A312 TP316 ASME B36.19M in attractive price.

We can supply stainless steel butt weld fittings according to ASME, EN, DIN, JIS and GB standards. The major grades are SS 304/304L/304H and 316/316L.  We can manufacture the size from 1/2″ to 48″ for elbows and bends, concentric and eccentric reducer, straight and reducing tee, cap and stub end.

Weight Formula of Stainless Steel Pipe Bends

Drawings of Stainless Steel Pipe Bends

Drawings of Stainless Steel Pipe Bends

The weight formula: 0.0433 x (D-T) x T x R x θ / 100000 + L

  • D = Outside Diameter
  • T = Thickness
  • R = Bend Radius
  • θ = Bend Angle
  • L =  Weight of Double Sides Straight Length

What is Bend Radius and Angle for Steel Pipe Bending?

Usually R≥3D , such as R= 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D

Normally 15°, 30°, 45°, 60°, 90°, 135°, 180° or at customer’s option.

What is the Straight Length?

Normally straight length of pipe bends are between 300mm and 1500mm. Also can be customized as per customer’s requirements.

Material Grades for Steel Pipe Bends

Carbon Steel 90 Degree Bends

ASTM A234 WPB, A106B, A860 WPHY42, 52, 60, 65, 70, A420 WPL 3 / 6 / 9

Alloy Steel 45 Degree Bends

ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

Stainless Steel Pipe Bends

ASTM A403 WP304/304L/304H, WP316/316L, WP310, WP317, WP321, WP309, WP347

Duplex Steel 180 Degree Bends

ASTM A815 UNS S 31803, 32205, 32550, 32750, 32760

How to Pack Large Diameter Pipe Fittings?

Package of 3D Bends

Package of 3D Bends

Marking ” 90° Bend 3D 12″ Sch 40S  SS316 ASME B36.19 ZZ158″ on body.

Wrapping thin film on the stainless steel pipe fittings.

Packing them into the wooden cases or pallets.

Sticking the shipping marking on the outside of packages.

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]]> 4260 5D Bend https://www.zzfittings.com/product-details/5d-bend/ Tue, 26 Mar 2019 07:21:39 +0000 https://www.zzfittings.com/?post_type=products&p=3875 Pipe Bends and Elbows Quality leading manufacturer and […]

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]]> Pipe Bends and Elbows

Quality leading manufacturer and exporter of pipe bends and elbows Zizi supplies 8″ Sch20 90 Degree Bend 5D Seamless ASTM A106B ASME B16.9 for Pakistan.

Steel pipe bend is very similar with elbows. They have same diameter range, wall thickness and end form. What’s the difference between them? It’s the radius. Steel pipe elbow has long radius (R=1.5D) and short radius ( R=1D) types, while bend radius is larger, such as 3D, 4D, 5D, 6D, 7D, 8D, 9D and 10D.

Material Grades of 8″ Steel Pipe Bend

Stainless Steel: ASTM A403 WP304/304L, WP304H, WP316/316L, WP310, WP317, WP321

Duplex Steel: ASTM A815 UNS S 31803, S 32205, S 32550, S 32750, S 32760

Carbon Steel: ASTM A234 WPB, A860 WPHY42, 52, 60, 65, 70

Low Temp Carbon Steel: ASTM A420 WPL3, WPL6, WPL9

Alloy Steel : ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

90 Degree 5D Bend Dimensions

Carbon Steel Bend Package

 

90 Degree 5D Bend Dimensions
Nominal
Size		 Wall Thickness(mm) Bend Radius Centre to Face
X and Y
STD    WT XS
50(2 NB) 3.91 5.54 250 As required
65(2XNB) 5.16 7.01 325 As required
80(3NB) 5.49 7.62 400 As required
90(3XNB) 5.74 8.08 450 As required
100(4NB) 6.02 8.56 500 As required
125(5NB) 6.55 9.53 625 As required
150(6NB) 7.11 10.97 750 As required
200(8 NB) 8.18 12.70 1000 As required
250(10 NB) 9.27 12.70 1250 As required
300(12 NB) 9.53 12.70 1500 As required
350(14 NB) 9.53 12.70 1750 As required
400(16NB) 9.53 12.70 2000 As required
450(18NB) 9.53 12.70 2250 As required
500(20 NB) 9.53 12.70 2500 As required
600(24NB) 9.53 12.7 3000 As required

Standard: ASME B16.9

Diameter: DN20 to DN1500/ 3/4” to 60”

Schedule: Sch 20, STD, 40, XS, 80, 100, 120, 140, 160, XXS

Straight Length L: Usually between 300mm and 1500mm

Type: Seamless and Welded Bend

Surface: Black Primer, Galvanized or PE Coated.

5D Bend Weight Chart

5D Bend Weight
Nominal Size Approx.Weight/kg
DN NPS 90 degree Bend
50 2 7.2
65 21/2 13.3
80 3 19.9
90 31/2 26.9
100 4 35.4
125 5 59.9
150 6 93.3
200 8 187.4
250 10 332
300   12 488
350   14 608.5
400   16 779.7
450   18 971.4
500   20 1184.9
600   24 1674.9

Weight Calculation Formula of 5D Bend

W=0.0387 * S( D – S ) * 5* D/ 1000

W = Weight (kg/piece).

S = Thickness Schedule.

D = Nominal Diameter.

Carbon Steel Bend

Package

We marked all ASME B16.9 Pipe Fittings with Grade, Lot No, Size, Standard and Thickness. ASTM A106 B 5D Bend is blasting, painting and marking, then packed into wooden pallets.

Package of Carbon Steel Bend

Package of Carbon Steel Bend

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.

Inspection

  1. Visual the surface of butt weld bend body. Such as dents, die marks, porosity, undercuts etc.
  2. Check the marking. Such as size, material code, material grade, thickness, heat No
  3. Measure the dimensions of 5D Bend. Such as outside diameter, wall thickness, radius.

Advantages

  • Good Quality
  • Fast Delivery
  • Safe Package
  • Abundant Stock
  • Reasonable Price
  • Reliable Shipment

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]]> 3875 Return Bend https://www.zzfittings.com/product-details/return-bend/ Fri, 22 Mar 2019 01:49:49 +0000 https://www.zzfittings.com/?post_type=products&p=3768 Best Price for Long Radius 180 Degree Return Bend that […]

The post Return Bend appeared first on Quality Manufacturer of Industrial Pipe Fittings.

]]> Best Price for Long Radius 180 Degree Return Bend that made of top quality carbon steel material, no restriction for dimensions and quantities.

180 Degree Return Bend, also called U-Bend, is a pipe fitting that used to change the direction of flows. It is applied in oil and gas plants, chemical and petrochemical plants, refineries and renewable energy plants, mostly in heat exchangers. It is welded onto the pipes so that provides a joint that leak proof, stable and less possibility for corrosion.

Steel Pipe Bend Weight Calculator

W=0.0387 * S( D – S ) * R / 1000

W = Weight (kg/piece).

S = Thickness in mm.

D = Nominal Diameter in mm.

R= Radius in mm.

Long Radius Return Bend Dimensions & Weight

Long Radius Return Bend Dimensions & Weight

Long Radius Return Bend Dimensions & Weight

Size: 1/2″ to 48″

Thickness: Sch 10s, 20, STD, 40, XS, 80, 120, 160

Standard: DL/T515, SY5257, ASME B16.9 or customer’s technical drawings

Bend Radius R: SR, LR, 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D

Bend Angle: 15°, 30°, 45°, 60°, 90°, 135°, 180° or at customer’s option

Straight Length L: Usually between 300mm and 1500mm

Surface: Black Primer, Galvanized or PE Coated.

Material & Grades of 180° Return Bend

Stainless Steel Pipe Bend

ASTM A403 WP304/304L/304H, WP316/316L, WP310, WP317, WP321

Alloy Steel Return Bend

ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

Duplex Steel 180° Bend

ASTM A815 UNS S31803, S32205, S32550, S 32750, S 32760

Low Temp Carbon Steel Bend

ASTM A420 WPL3,WPL6, WPL9

Carbon Steel 3D Bend

ASTM A234 WPB, A860 WPHY42, WHPY52, WPHY60, WHPY65, WPHY70

Schedule 40 Steel Pipe Fittings

Package of Schedule 40 Steel Pipe Bends

Package of Schedule 40 Steel Pipe Bends

Package & Surface of Butt Weld Fittings

Blasting and Painting on the body against rust.

Marking Size, Grade, Standard, Heat No.

Packing buttweld fittings on wooden case or pallet.

Sticking shipping mark on the outside of package.

Inspection of Steel Pipe Bend

  1. Visual the surface of pipe bend body if it is smooth and round.
  2. Check the marking as mention above.
  3. Measure outside diameter and wall thickness

Shipping Details of ASTM A860 WPHY 52 Bend

Shipment: LCL, 20 FT, 40 GP / HQ and Air.

Documents: CI, PL, BL, CO, MTC.

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]]> 3768 3D Pipe Bend https://www.zzfittings.com/product-details/3d-pipe-bend/ Mon, 11 Mar 2019 07:56:10 +0000 https://www.zzfittings.com/?post_type=products&p=3445 Carbon Steel Pipe Bends Carbon Steel Pipe Fittings 45 d […]

The post 3D Pipe Bend appeared first on Quality Manufacturer of Industrial Pipe Fittings.

]]> Carbon Steel Pipe Bends

Carbon Steel Pipe Fittings 45 degree and 90 degree Elbow & Pipe Bend 3D are used in common thickness schedule 40, STD, XS, 80, 160 and XXS. And export large number of general-purpose steel pipe bends. Also the warehouse is near to harbors for quick delivery.

We also manufacture and carbon steel pipe bends in any dimensions, materials and angles according to ASME B16.9. Accept customized bends that meet national and international standards. Those bends sold for more than 20 countries for oil, gas, chemical, engineering projects and so on.

What is a 3D Bend?

Bend is the most common used butt weld fittings to change the direction of pipelines. 3D refers to the radius, D is the diameter of pipes. So 3D means a bend which radius is three times the diameter.

Pipe Bend Radius

Pipe Bend Radius

3D Pipe Bend Dimensions

Standard: ASME B16.9

Diameter: DN20 to DN1500/ 3/4” to 60”

Schedule: Sch 20, STD, 40, XS, 80, 100, 120, 160, XXS

Form: 45 Degree Bend, 90 Degree Bend, 180 Degree Bend, Straight and Reducing Bend.

Type: Seamless Bend and Welded Bend

Surface: Black Primer, Galvanized, PE Coated.

Pipe Bend PE Coated

Pipe Bend PE Coated

Pipe Bend Weight Calculator

W=0.0387 * S( D – S ) * R / 1000

  • W = Weight (kg/piece).
  • S = Thickness Schedule.
  • D = Nominal Diameter.
  • R= Radius.

Material of Steel Pipe Elbows and Bends

Stainless Steel Pipe Elbow

ASTM A403 WP304/304L/WP304H, WP316/316L, WP310, WP317, WP321

Duplex Steel Pipe Bend

ASTM A815 UNS S 31803, S 32205, S 32550, S 32750, S 32760

Carbon Steel Pipe Fittings

ASTM A234 WPB, A860 WPHY42, 52, 60, 65, 70

Low Temp Carbon Steel Pipe Fittings

ASTM A420 WPL3, WPL6, WPL9

Alloy Steel Elbows

ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

Low Temperature Carbon Steel Fittings

Package of ASME B16.9 Buttweld Fittings

We marked all ASME B16.9 Buttweld Fittings with Material Grade, Heat No, Size, Standard and Thickness. A420 WPL3 Pipe Bend 3D is packed into wooden pallets after blasting, painting and marking.

Sticking clear shipping mark on the outside of the package for easy identification of the quantity and product name.

Strict Inspection for ASTM A420 WPL3 Bend

  1. Visual the surface of 3D pipe bend body. Such as dents, die marks, porosity, undercuts.
  2. Check the marking ” 12″ Sch40 90 Degree 3D SMLS ASTM A420 WPL3 ASME B16.9 ZC155″
  3. Measure dimensions. Such as outside diameter, inner diameter, wall thickness, radius.

The post 3D Pipe Bend appeared first on Quality Manufacturer of Industrial Pipe Fittings.

]]> 3445 A234 WP91 Steel Bend https://www.zzfittings.com/product-details/a234-wp91-steel-bend/ Tue, 19 Feb 2019 03:47:57 +0000 https://www.zzfittings.com/?post_type=products&p=3113 Zizi manufacture an extensive range of alloy steel pipe […]

The post A234 WP91 Steel Bend appeared first on Quality Manufacturer of Industrial Pipe Fittings.

]]> Zizi manufacture an extensive range of alloy steel pipe bends and export quantities of ASTM A234 WP91 90Degree 3D Bend for industries in attractive price. It is almost same as pipe elbow. It’s radius is bigger and extensive used in oil and gas, engineering and construction industry.

Steel Pipe Bends Dimensions

Steel Pipe Bends Dimensions

Steel Pipe Bends Dimensions

Size: 1/2″ to 48″

Thickness: Sch 10s, 20, STD, 40S, XS, 80S, 120, 160

Standard: DL/T515, SY5257, ASME B16.9 or customer’s technical drawings

Bend Radius R: R = 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D

Bend Angle: 15°, 30°, 45°, 60°, 90°, 135°, 180° or at customer’s option

Straight Length L: Usually between 300mm and 1500mm

Carbon Steel Grades: ASTM A234 WPB, A860 WPHY42, WHPY52, WPHY60, WHPY65, WPHY70, ASTM A420 WPL3,WPL6, WPL9

Stainless Steel Grades: ASTM A403 WP304/304L, WP304H, WP316/316L, WP310, WP317, WP321, WP309

Duplex Stainless Steel Grades: ASTM A815 UNS S 31803, S 32205, S 32550, S 32750, S 32760

Alloy Steel Material & Grades: ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

Alloy Steel Pipe Bend Weight Calculator

Weight Formula =0.0387 * S( D – S ) * R / 1000

  • W = Weight (kg/piece).
  • S = Thickness in mm.
  • D = Outside Diameter in mm
  • R= Radius = 3 D, 5D and etc.

3D Bend Weight Chart

This weight chart is available in 3D 90 Degree Bend from 1/2″ to 24″. The normal thickness Schedule 40, XS, 80 and 160.

DN NPS 40 XS 80 160
15  1/2 0.2 0.22 0.22 0.3
20  3/4 0.33 0.43 0.43 0.6
25 1 0.56 0.48 0.48 1
32 1 1/4 0.8 1.1 1.1 1.5
40 1 1/2 1.4 2 2 3
50 2 2.8 3.75 3.75 5
65 2 1/2 4.5 6 6 8.5
80 3 6.3 8.6 8.6 –
90 3 1/2 8.5 11.8 11.8 17.7
100 4 14.3 20.4 20.4 32.3
125 5 22.3 33.6 33.6 53.5
150 6 45 68.1 68.1 117
200 8 79.5 107 126 227
250 10 126 154 209 377
300 12 174 198 292 519
350 14 260 260 429 770
400 16 369 330 604 1089
450 18 483 409 8109 1487
500 20 – 496 1083 1947
550 22 807 591 1397 2554

How to Pack Alloy Steel Buttweld Fittings

All Alloy Steel Buttweld Fittings are marked with Grade, Lot No, Size, Standard and Thickness. ASTM A234 WP91 Steel Bend is packed into wooden pallets.

ASTM A234 WP91 Steel Bend Package

ASTM A234 WP91 Steel Bend Package

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. great care is taken during operation and transportation.

How Inspect Steel Pipe Bend

Visual the surface of steel pipe bend body.

Check the marking if covering all necessary information.

Measure outside diameter, wall thickness, radius of alloy steel bends.

Alloy Steel Features

Hardenability

Strength

Formability

Weldability

Ductility

Corrosion resistance

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