Alloy 20 Flanges, Alloy 20 Weld Neck Flanges, 20 Alloy Lap Joint Flanges

This metal works in a variety of alkaline and acidic environments. This metal is frequently used to address sulphuric acid as much as eighty percentage attentions at room temperature and up to fifteen percentage sulphuric acid at boiling temperatures. UNS N08020 Slip On Flanges is utilized in additives for the manufacture of salt manufacturing and chlorinated solvents. This metal is frequently utilized in pumps, valves, marine fixtures, and piping structures for sea water programs. This metal is normally utilized in programs with tremendously corrosive situations. This metal is likewise utilized in boiler feedwater heaters, procedure vessels and piping, and different warmness exchangers.

This metal has corrosion resistance in an intensive variety of marine and chemical environments. With the decrease temperatures, this metal produces better mechanical homes and smaller grain size.However, this product is utilized in shafts, fittings, valves, pumps, fasteners, and warmth exchangers. As with maximum warmness remedy operations for this 2.4660 Socket Weld Flanges, first-rate practices are advanced with the aid of using trial and error. This product is immune to maximum alkalis, salts, natural materials and atmospheric situations. For heavy obligation production substances, this product offer advanced high-satisfactory and are capable of face up to very big quantities of weight and stress.

This product is frequently utilized in Brine heaters, Salt manufacturing equipment, Heat exchangers, and greater. This product is likewise utilized in cord netting for insulation, crude oil distillation towers, and oil properly restoration pumps. Alloy 20 Cb3 Forged Flanges is one of the few alloys that may be used in touch with hydrofluoric acid, fluorine, hydrogen fluoride or their derivatives. This product does display but higher resistance to decreasing media than oxidizing. These products are evaluation to many ferrous substances that are brittle at low temperatures regardless of their elevated electricity. This product is immune to seawater and steam at excessive temperatures. This product is a ductile alloy with resistance to a huge type of corrosive situations.

Specifications	ASTM B462 / ASME SB462
Flanges size	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Flanges Dimensions	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange, GOST Flange.
Class / Pressure	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Manufacturing Standards	ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE, BS Flange, EN Flange, API 6A Flange etc B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) Any other specilised Flange DIN: DIN 2527, DIN 2566, DIN 2573, UNS S45367 Flange, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
Standard UNI	6Bar 10Bar 16Bar 25Bar 40Bar
Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Flanges uses & application	Nuclear power (mostly seamless). Petrochemicals and acids. Bitumen upgraders. Heavy oil refineries.
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175.

Specifications

ASTM B462 / ASME SB462

Flanges size

1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Flanges Dimensions

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange, GOST Flange.

Class / Pressure

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flange Face Type

Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Manufacturing Standards

ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE, BS Flange, EN Flange, API 6A Flange etc
B.S: BS4504 , BS3293, BS1560, BS10
AS 2129: Table D; Table E; Table H
ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
American standard (ANSI)
German (DIN)
British standard (BS)
Any other specilised Flange
DIN: DIN 2527, DIN 2566, DIN 2573, UNS S45367 Flange, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276

Standard UNI

6Bar 10Bar 16Bar 25Bar 40Bar

Test Certificates

EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc

Flanges uses & application

Nuclear power (mostly seamless).
Petrochemicals and acids.
Bitumen upgraders.
Heavy oil refineries.

Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175.

American Standard	Standard Code	ANSI ASME SA-182	ANSI ASME B16.5	ASME – B 16.47	ASME – B 16.36
	Standard Name	Forged Flanges	Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange	Welding neck flange, Blind flange	Welding neck flange Slip on flange
German Standard	DIN 2527	DIN 2573 / 2576	DIN 2673	DIN 2641 / 2642	DIN 28115	DIN PN10, PN16	DIN PN20, PN25
	Steel Blind Flanges, BLRF	Flat Flange for Welding (Slip On)	Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars)	Lapped / Loose (Lap Joint) Flanges Plain Collars	Long Neck Welding Flanges	PN10 Flanges, DIN PN 10 Flanges, PN16 Flange	PN20 Flanges, DIN PN 25 Flanges
Japanese Standard	JIS B2220	JIS B2291	JIS 5K, 10K	JIS 16K, 20K	JIS 30K, 40K
	Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)	Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)	5K SORF Flanges, 10K SOFF Flanges	16K Blind Flanges, 20K BLRF Flanges	30K Slip on Flanges, 40K Blind Flanges
Italian Standard	UNI FLANGES
	Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254)
British Standard	BS 10 Table D	BS 10 Table E	BS 10 Table F	BS 10 Table H
	BS 10 Table D Flanges, Table D Pipe Flange	BS 10 Table E Flanges, Table E Pipe Flange	BS 10 Table E Flanges, Table E Flanges	BS 10 Table E Flanges, Table E Pipe Flanges

American Standard

Standard Code

ANSI ASME SA-182

ANSI ASME B16.5

ASME – B 16.47

ASME – B 16.36

Standard Name

Forged Flanges

Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange

Welding neck flange, Blind flange

Welding neck flange Slip on flange

German Standard

DIN 2527

DIN 2573 / 2576

DIN 2673

DIN 2641 / 2642

DIN 28115

DIN PN10, PN16

DIN PN20, PN25

Steel Blind Flanges, BLRF

Flat Flange for Welding (Slip On)

Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars)

Lapped / Loose (Lap Joint) Flanges Plain Collars

Long Neck Welding Flanges

PN10 Flanges, DIN PN 10 Flanges, PN16 Flange

PN20 Flanges, DIN PN 25 Flanges

Japanese Standard

JIS B2220

JIS B2291

JIS 5K, 10K

JIS 16K, 20K

JIS 30K, 40K

Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)

5K SORF Flanges, 10K SOFF Flanges

16K Blind Flanges, 20K BLRF Flanges

30K Slip on Flanges, 40K Blind Flanges

Italian Standard

UNI FLANGES

Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254)

British Standard

BS 10 Table D

BS 10 Table E

BS 10 Table F

BS 10 Table H

BS 10 Table D Flanges, Table D Pipe Flange

BS 10 Table E Flanges, Table E Pipe Flange

BS 10 Table E Flanges, Table E Flanges

BS 10 Table E Flanges, Table E Pipe Flanges

Nominal Pipe Size	Outside Diameter of Flanges	Thickness of Flanges	Diameter of Raised Face	Diameter of Hub at Base	Length Thru Hub	Diameter or Bore	Diameter of Hub at Bevel	Radius of Fillet	Depth of Socket
1/2	3-1/2	7/16	1-3/8	1-3/16	1-7/8	5/8	5/8	.88	.90	.84	1/8	3/8
3/4	3-7/8	1/2	1-11/16	1-1/2	2-1/16	5/8	5/8	1.09	1.11	1.05	1/8	7/16
1	4-1/4	9/16	2	1-15/16	2-3/16	11/16	11/16	1.36	1.38	1.32	1/8	1/2
1-1/4	4-5/8	5/8	2-1/2	2-5/16	2-1/4	13/16	13/16	1.70	1.72	1.66	3/16	9/16
1-1/2	5	11/16	2-7/8	2-9/16	2-7/16	7/8	7/8	1.95	1.97	1.90	1/4	5/8
2	6	3/4	3-5/8	3-1/16	2-1/2	1	1	2.44	2.46	2.38	5/16	11/16
2-1/2	7	7/8	4-1/8	3-9/16	2-3/4	1-1/8	1-1/8	2.94	2.97	2.88	5/16	3/4
3	7-1/2	15/16	5	4-1/4	2-3/4	1-3/16	1-3/16	3.57	3.60	3.50	3/8	13/16
3-1/2	8-1/2	15/16	5-1/2	4-13/16	2-13/16	1-1/4	1-1/4	4.07	4.10	4.00	3/8	7/8
4	9	15/16	6-3/16	5-5/16	3	1-5/16	1-5/16	4.57	4.60	4.50	7/16	15/16
5	10	15/16	7.5/16	6-7/16	3-1/2	1-7/16	1-7/16	5.66	5.69	5.56	7/16	15/16
6	11	1	8-1/2	7-9/16	3-1/2	1-9/16	1-9/16	6.72	6.75	6.63	1/2	1-1/16
8	13-1/2	1-1/8	10-5/8	9-11/16	4	1-3/4	1-3/4	8.72	8.75	8.63	1/2	1-1/4
10	16	1-3/16	12-3/4	12	4	1-15/16	1-15/16	10.88	10.92	10.75	1/2	1-5/16
12	19	1-1/4	15	14-3/8	4-1/2	2-3/16	2-3/16	12.88	12.92	12.75	1/2	1-9/16
14	21	1-3/8	16-1/4	15-3/4	5	2-1/4	3-1/8	14.14	14.18	14.00	1/2	1-5/8
16	23-1/2	1-7/16	18-1/2	18	5	2-1/2	3-7/16	16.16	16.19	16.00	1/2	1-3/4
18	25	1-9/16	21	19-7/8	5-1/2	2-11/16	3-13/16	18.18	18.20	18.00	1/2	1-15/16
20	27-1/2	1-11/16	23	22	5-11/16	2-7/8	4-1/16	20.20	20.25	20.00	1/2	2-1/8
24	32	1-7/8	27-1/4	26-1/8	6	3-1/4	4-3/8	24.25	24.25	24.00	1/2	2-1/2

Nominal Pipe Size

Outside Diameter of Flanges

Thickness of Flanges

Diameter of Raised Face

Diameter of Hub at Base

Length Thru Hub

Diameter or Bore

Diameter of Hub at Bevel

Radius of Fillet

Depth of Socket

Welding Neck

Slip-On Threaded Socket

Lap Joint

Slip-on Socket

Lap Joint

1/2

3-1/2

7/16

1-3/8

1-3/16

1-7/8

5/8

.88

.90

.84

1/8

3/8

3/4

3-7/8

1/2

1-11/16

1-1/2

2-1/16

5/8

1.09

1.11

1.05

1/8

7/16

4-1/4

9/16

1-15/16

2-3/16

11/16

1.36

1.38

1.32

1/8

1/2

1-1/4

4-5/8

5/8

2-1/2

2-5/16

2-1/4

13/16

1.70

1.72

1.66

3/16

9/16

1-1/2

11/16

2-7/8

2-9/16

2-7/16

7/8

1.95

1.97

1.90

1/4

5/8

3/4

3-5/8

3-1/16

2-1/2

2.44

2.46

2.38

5/16

11/16

2-1/2

7/8

4-1/8

3-9/16

2-3/4

1-1/8

2.94

2.97

2.88

5/16

3/4

7-1/2

15/16

4-1/4

2-3/4

1-3/16

3.57

3.60

3.50

3/8

13/16

3-1/2

8-1/2

15/16

5-1/2

4-13/16

2-13/16

1-1/4

4.07

4.10

4.00

3/8

7/8

15/16

6-3/16

5-5/16

1-5/16

4.57

4.60

4.50

7/16

15/16

7.5/16

6-7/16

3-1/2

1-7/16

5.66

5.69

5.56

7/16

15/16

8-1/2

7-9/16

3-1/2

1-9/16

6.72

6.75

6.63

1/2

1-1/16

13-1/2

1-1/8

10-5/8

9-11/16

1-3/4

8.72

8.75

8.63

1/2

1-1/4

1-3/16

12-3/4

1-15/16

10.88

10.92

10.75

1/2

1-5/16

1-1/4

14-3/8

4-1/2

2-3/16

12.88

12.92

12.75

1/2

1-9/16

1-3/8

16-1/4

15-3/4

2-1/4

3-1/8

14.14

14.18

14.00

1/2

1-5/8

23-1/2

1-7/16

18-1/2

2-1/2

3-7/16

16.16

16.19

16.00

1/2

1-3/4

1-9/16

19-7/8

5-1/2

2-11/16

3-13/16

18.18

18.20

18.00

1/2

1-15/16

27-1/2

1-11/16

5-11/16

2-7/8

4-1/16

20.20

20.25

20.00

1/2

2-1/8

1-7/8

27-1/4

26-1/8

3-1/4

4-3/8

24.25

24.00

1/2

2-1/2

Pipe Normal Diam.	O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub.Y	Thread Length	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)	KG	LB
inch	dn	O	C	X	G	Y	T	BC	BH	BN	BD
1/2"	15	89.00	11.20	30.20	35.10	15.70	15.70	60.50	15.80	4	1/2"	0.4	0.9
3/4"	20	98.50	12.70	38.10	42.90	15.70	15.70	69.90	15.80	4	1/2"	0.7	1.5
1"	25	108.00	14.20	49.30	50.80	17.50	17.50	79.30	15.80	4	1/2"	0.8	1.8
1-1/4"	32	117.50	15.70	58.70	63.50	20.60	20.60	88.90	15.80	4	1/2"	1.2	2.6
1-1/2"	40	127.00	17.50	65.00	73.20	22.40	22.40	98.60	15.80	4	1/2"	1.5	3.3
2"	50	152.50	19.10	77.70	91.90	25.40	25.40	120.70	19.10	4	5/8"	2.3	5.1
2-1/2"	65	178.00	22.40	90.40	104.60	28.40	28.40	139.70	19.10	4	5/8"	3.7	8.1
3"	80	190.50	23.90	108.00	127.00	30.20	30.20	152.40	19.10	4	5/8"	4.1	9
3-1/2"	90	216.00	23.90	122.20	139.70	31.80	31.80	177.80	19.10	8	5/8"	5.1	11.2
4"	100	228.50	23.90	134.90	157.20	33.30	33.30	190.50	19.10	8	5/8"	5.9	13
5"	125	254.00	23.90	163.60	185.70	36.60	36.60	215.90	22.40	8	3/4"	7	15.4
6"	150	279.50	25.40	192.00	215.90	39.60	39.60	241.30	22.40	8	3/4"	8.4	18.5
8"	200	343.00	28.40	246.10	269.70	44.50	44.50	298.50	22.40	8	3/4"	13	28.6
10"	250	406.50	30.20	304.80	323.90	49.30	49.30	362.00	25.40	12	7/8"	18	39.5
12"	300	482.50	31.80	365.30	381.00	55.60	55.60	431.80	25.40	12	7/8"	29	64
14"	350	533.50	35.10	400.10	412.80	57.20	57.20	476.30	28.50	12	1"	39	86
16"	400	597.00	36.60	457.20	469.90	63.50	63.50	539.80	28.50	16	1"	47	103
18"	450	635.00	39.60	505.00	533.40	68.30	68.30	577.90	31.80	16	1 1/8"	57	126
20"	500	698.50	42.90	558.80	584.20	73.20	73.20	635.00	31.80	20	1 1/8"	76	167
24"	600	813.00	47.80	663.40	692.20	82.60	82.60	749.30	35.10	20	1 1/4"	97	214

Pipe Normal Diam.

O.D. Flange

Thk. Of Flange Min

Diam.
of
Hub

Diameter of Raised Face

Length Hub.Y

Thread Length

Diam.
of Bolt
Circle

Diam.
of Bolt
Holes

Number
of Bolts

Diam. of
Bolts
(inch)

inch

1/2"

89.00

11.20

30.20

35.10

15.70

60.50

15.80

1/2"

0.4

0.9

3/4"

98.50

12.70

38.10

42.90

15.70

69.90

15.80

1/2"

0.7

1.5

108.00

14.20

49.30

50.80

17.50

79.30

15.80

1/2"

0.8

1.8

1-1/4"

117.50

15.70

58.70

63.50

20.60

88.90

15.80

1/2"

1.2

2.6

1-1/2"

127.00

17.50

65.00

73.20

22.40

98.60

15.80

1/2"

1.5

3.3

152.50

19.10

77.70

91.90

25.40

120.70

19.10

5/8"

2.3

5.1

2-1/2"

178.00

22.40

90.40

104.60

28.40

139.70

19.10

5/8"

3.7

8.1

190.50

23.90

108.00

127.00

30.20

152.40

19.10

5/8"

4.1

3-1/2"

216.00

23.90

122.20

139.70

31.80

177.80

19.10

5/8"

5.1

11.2

100

228.50

23.90

134.90

157.20

33.30

190.50

19.10

5/8"

5.9

125

254.00

23.90

163.60

185.70

36.60

215.90

22.40

3/4"

15.4

150

279.50

25.40

192.00

215.90

39.60

241.30

22.40

3/4"

8.4

18.5

200

343.00

28.40

246.10

269.70

44.50

298.50

22.40

3/4"

28.6

10"

250

406.50

30.20

304.80

323.90

49.30

362.00

25.40

7/8"

39.5

12"

300

482.50

31.80

365.30

381.00

55.60

431.80

25.40

7/8"

14"

350

533.50

35.10

400.10

412.80

57.20

476.30

28.50

16"

400

597.00

36.60

457.20

469.90

63.50

539.80

28.50

103

18"

450

635.00

39.60

505.00

533.40

68.30

577.90

31.80

1 1/8"

126

20"

500

698.50

42.90

558.80

584.20

73.20

635.00

31.80

1 1/8"

167

24"

600

813.00

47.80

663.40

692.20

82.60

749.30

35.10

1 1/4"

214

STANDARD	WERKSTOFF NR.	UNS	AFNOR	EN
Alloy 20	2.4660	N08020	Z2NCUD31-20AZ	NiCr20CuMo

Grade	C	Mn	Si	S	Cu	Ni	Cr	Fe	Mo	P
Alloy 20	0.07 max	2.00 max	1.00 max	0.035 max	3.0-4.0	32.0-38.0	19.0-21.0	29.85 min*	2.0-3.0	0.045 max

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.1 g/cm3	1443 °C (2430 °F)	Psi -80,000, MPa -551	Psi – 35,000, MPa – 241	30%

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Alloy 20 Flanges

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Grade

UNS

WERKSTOFF NR.

ASTM / ASME

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International Standards of Alloy 20 Flanges

Size Chart Of Alloy 20 Flange

WEIGHT CHART OF Alloy 20 FLANGES

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