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Model No.: astm-a105-sorf-flange-dn500-class150

China Flanges Manufacturer www.steeljrv.com offers ASME B16.5 ASTM A105 SORF Flange, DN500, Class150.

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Key Specifications / Features

Type: A105 SORF Flange
Material: ASTM A105
Standard: ASME B16.5
Class Rating: Class150
Size: 20″ (DN500)
Connection: RF

Chemical Composition Of A105 Carbon Steel

Grade
C
Mn
P
S
Si
Cu
Ni
Cr
Mo
V

A105*
0.60
0.10


0.35
1.05
0.35
0.40
0.35
0.40
0.40 0.30 0.12 0.08

  • The sum of Cu, Ni, Cr, Mo and V shall not exceed 1.00%.
  • The sum of Cr and Mo shall not exceed 0.32%.
  • The carbon equivalent CE=[C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] shall be no greater than 0.47.

Mechanical Properties of ASTM A105

Tensile Strength min. Yield Strength min. Elongation min. Reduction of Area, min. Hardness
MPa ksi MPa ksi % % HBW
485 70 250 36 22 30 137-187

Product Forms and Standards

Product Form Standards
Forged Flanges ASME B16.5, ASME B16.47, MSS SP 44, EN 1092-1,
NORSOK L-005, BS 4504, ASME B16.48, ASME B16.36
Forged Fittings ASME B16.11, BS 3799, MSS SP 83, MSS SP 95,
MSS SP 97, GB/T14383, GB/T14626
Valve & Valve Parts ASME B16.34, API 600, API 602
Boiler & Pressure Vessel ASME Section IX

ASME B16.5 Slip On Flanges Dimensions

20210414104649 43219 - ASME B16.5 ASTM A105 SORF Flange DN500 Class150

Class 150 Slip On Flange Dimensions

FLANGE
Normal Pipe Size
Inside
Diam.
Outside
Diam.
Bolt Circle
(BC)
Raised Face
(R)
Raised Face
(RF)
H RF
Thickness (T)
T1 FF
Thickness (T2)
Bolt Hole
(B)
No. of
Bolt Holes
1/2 0.88 3.50 2.38 1.38 .063 1.19 .62 .38 .56 .62 4
3/4 1.09 3.88 2.75 1.69 .063 1.50 .62 .44 .56 .62 4
1 1.36 4.25 3.12 2.00 .063 1.94 .69 .50 .63 .62 4
1-1/4 1.70 4.62 3.50 2.50 .063 2.31 .81 .56 .75 .62 4
1-1/2 1.97 5.00 3.88 2.88 .063 2.56 .88 .62 .82 .62 4
2 2.44 6.00 4.75 3.62 .063 3.06 1.00 .69 .94 .75 4
2-1/2 2.94 7.00 5.50 4.12 .063 3.56 1.12 .82 1.06 .75 4
3 3.57 7.50 6.00 5.00 .063 4.25 1.19 .88 1.13 .75 4
3-1/2 4.07 8.50 7.00 5.50 .063 4.81 1.25 .88 1.19 .75 8
4 4.57 9.00 7.50 6.19 .063 5.31 1.31 .88 1.25 .75 8
5 5.66 10.00 8.50 7.31 .063 6.44 1.44 .88 1.38 .88 8
6 6.72 11.00 9.50 8.50 .063 7.56 1.56 .94 1.50 .88 8
8 8.72 13.50 11.75 10.62 .063 9.69 1.75 1.06 1.69 .88 8
10 10.88 16.00 14.25 12.75 .063 12.00 1.94 1.13 1.88 1.00 12
12 12.88 19.00 17.00 15.00 .063 14.38 2.19 1.19 2.13 1.00 12
14 14.14 21.00 18.75 16.25 .063 15.75 2.25 1.32 2.19 1.12 12
16 16.16 23.50 21.25 18.50 .063 18.00 2.50 1.38 2.44 1.12 16
18 18.18 25.00 22.75 21.00 .063 19.88 2.69 1.50 2.63 1.25 16
20 20.20 27.50 25.00 23.00 .063 22.00 2.88 1.63 2.83 1.25 20
22 22.22 29.50 27.25 25.25 .063 24.25 3.13 1.75 3.07 1.38 20
24 24.25 32.00 29.50 27.25 .063 26.12 3.25 1.82 3.19 1.38 20

300# Slip On Flange Dimensions

FLANGSE
NORMAL PIPE SIZE
Inside
Diam.
Outside
Diam.
Bolt Circle
(BC)
RF
(R)
RF
(RF)
H RF
Thickness (T)
T1 FF
Thickness (T2)
Bolt Hole
(B)
No. of
Bolt Holes
1/2 0.88 3.75 2.62 1.38 .063 1.50 0.88 0.50 0.82 0.62 4
3/4 1.09 4.62 3.25 1.69 .063 1.88 1.00 .056 0.94 0.75 4
1 1.36 4.88 3.50 2.00 .063 2.12 1.06 0.63 1.00 0.75 4
1-1/4 1.70 5.25 3.88 2.50 .063 2.50 1.06 0.69 1.00 0.75 4
1-1/2 1.95 6.12 4.50 2.88 .063 2.75 1.19 0.75 1.13 0.88 4
2 2.44 6.50 5.00 3.62 .063 3.31 1.31 0.82 1.25 0.75 8
2-1/2 2.94 7.50 5.88 4.12 .063 3.94 1.50 0.94 1.44 0.88 8
3 3.57 8.25 6.62 5.00 .063 4.62 1.69 1.06 1.63 0.88 8
3-1/2 4.07 9.00 7.25 5.50 .063 5.25 1.75 1.13 1.69 0.88 8
4 4.57 10.00 7.88 6.19 .063 5.75 1.88 1.19 1.82 0.88 8
5 5.66 11.00 9.25 7.31 .063 7.00 2.00 1.32 1.94 0.88 8
6 6.72 12.50 10.62 8.50 .063 8.12 2.06 1.38 2.00 0.88 12
8 8.72 15.00 13.00 10.62 .063 10.25 2.44 1.56 2.38 1.00 12
10 10.88 17.50 15.25 12.75 .063 12.62 2.62 1.82 2.56 1.12 16
12 12.88 20.50 17.75 15.00 .063 14.75 2.88 1.94 2.82 1.25 16
14 14.14 23.00 20.25 16.25 .063 16.75 3.00 2.06 2.94 1.25 20
16 16.16 25.50 22.50 18.50 .063 19.00 3.25 2.19 3.19 1.38 20
18 18.18 28.00 24.75 21.00 .063 21.00 3.50 2.32 3.44 1.38 24
20 20.20 30.50 27.00 23.00 .063 23.12 3.75 2.44 3.69 1.38 24
22 22.22 33.00 29.25 25.25 .063 25.25 4.00 2.57 3.94 1.63 24
24 24.25 36.00 32.00 27.25 .063 27.62 4.19 2.69 4.13 1.62 24

600 Lb Slip On Flange Dimensions

FLANGE

NORMAL PIPE SIZE

Inside

Diam.

Outside

Diam.

Bolt Circle (BC) RF (R) RF (RF) H RF Thickness (T) T1 FF Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2 0.88 3.75 2.62 1.38 .250 1.50 1.13 0.56 0.88 0.62 4
3/4 1.09 4.62 3.25 1.69 .250 1.88 1.25 0.62 1.00 0.75 4
1 1.36 4.88 3.50 2.00 .250 2.12 1.31 0.69 1.06 0.75 4
1-1/4 1.7 5.25 3.88 2.50 .250 2.50 1.37 0.81 1.12 0.75 4
1-1/2 1.95 6.12 4.50 2.88 .250 2.75 1.50 0.88 1.25 0.88 4
2 2.44 6.50 5.00 3.62 .250 3.31 1.69 1.00 1.44 0.75 8
2-1/2 2.94 7.50 5.88 4.12 .250 3.94 1.87 1.12 1.62 0.88 8
3 3.57 8.25 6.62 5.00 .250 4.62 2.06 1.25 1.81 0.88 8
3-1/2 4.07 9.00 7.25 5.50 .250 5.25 2.19 1.38 1.94 1.00 8
4 4.57 10.75 8.50 6.19 .250 6.00 2.37 1.5 2.12 1.00 8
5 5.66 13.00 10.50 7.31 .250 7.44 2.63 1.75 2.38 1.12 8
6 6.72 14.00 11.50 8.50 .250 8.75 2.87 1.88 2.62 1.12 12
8 8.72 16.50 13.75 10.62 .250 10.75 3.25 2.19 3.00 1.25 12
10 10.88 20.00 17.00 12.75 .250 13.5 3.63 2.50 3.38 1.38 16
12 12.88 22.00 19.25 15.00 .250 15.75 3.87 2.62 3.62 1.38 20
14 14.14 23.75 20.75 16.25 .250 17.00 3.94 2.75 3.69 1.50 20
16 16.16 27.00 23.75 18.50 .250 19.50 4.44 3.00 4.19 1.62 20
18 18.18 29.25 25.75 21.00 .250 21.50 4.87 3.25 4.62 1.75 20
20 20.20 32.00 28.50 23.00 .250 24.00 5.25 3.50 5.00 1.75 24
22 22.22 34.25 30.63 25.25 .250 26.25 5.50 3.75 5.25 1.75 24
24 24.25 37.00 33.00 27.25 .250 28.25 5.75 4.00 5.50 2.00 24

Slip On Flange 900# Dimensions

FLANGE

NORMAL PIPE SIZE

Inside

Diam.

Outside

Diam.

Bolt Circle (BC) RF (R) RF (RF) H RF Thickness (T) T1 FF Thickness (T2) Bolt Hole (B) No. of Bolt Holes
3 3.57 9.50 7.50 5.00 .250 5.00 2.38 1.50 2.13 1.00 8
4 4.57 11.50 9.25 6.19 .250 6.25 3.00 1.75 2.75 1.25 8
5 5.66 13.75 11.00 7.31 .250 7.50 3.38 3.00 3.13 1.38 8
6 6.72 15.00 12.50 8.50 .250 9.25 3.63 2.19 3.38 1.25 12
8 8.72 18.50 15.50 10.63 .250 11.75 4.25 2.50 4.00 1.50 12
10 10.88 21.50 18.50 12.75 .250 14.50 4.50 2.75 4.25 1.50 16
12 12.88 24.00 21.00 15.00 .250 16.50 4.88 3.13 4.63 1.50 20
14 14.14 25.25 22.00 16.25 .250 17.75 5.38 3.38 5.13 1.63 20
16 16.16 27.75 24.25 18.50 .250 20.00 5.50 3.50 5.25 1.75 20
18 18.18 31.00 27.00 21.00 .250 22.25 6.25 4.00 6.00 2.00 20
20 20.20 33.75 29.50 23.00 .250 24.50 6.50 4.25 6.25 2.13 20
24 24.25 41.00 35.50 27.25 .250 29.50 8.25 5.50 8.00 2.63 20

Class 1500 Slip On Flange Dimensions

FLANGES
NORMAL PIPE SIZE
Inside
Diam.
OD Bolt Circle (BC) RF (R) RF (RF) H RF Thickness (T) T1 FF Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2 0.88 4.75 3.25 1.38 .250 1.50 1.50 0.88 1.25 0.88 4
3/4 1.09 5.13 3.50 1.69 .250 1.75 1.63 1.00 1.38 0.88 4
1 1.36 5.88 4.00 2.00 .250 2.06 1.88 1.13 1.63 1.00 4
1-1/4 1.70 6.25 4.38 2.50 .250 2.50 1.88 1.13 1.63 1.00 4
1-1/2 1.95 7.00 4.88 2.88 .250 2.75 2.00 1.25 1.75 1.13 4
2 2.44 8.50 6.50 3.63 .250 4.13 2.50 1.50 2.25 1.00 8
2-1/2 2.94 9.63 7.50 4.13 .250 4.88 2.75 1.63 2.50 1.13 8
3 ** 3.57 10.50 8.00 5.00 .250 5.25 3.13 1.88 2.88 1.25 8
4 ** 4.57 12.25 9.50 6.19 .250 6.38 3.81 2.13 3.56 1.38 8
5 ** 5.66 14.75 11.50 7.31 .250 7.75 4.38 2.88 4.13 1.63 8
6 ** 6.72 15.50 12.50 8.50 .250 9.00 4.94 3.25 4.69 1.50 12
8 ** 8.72 19.00 15.50 10.63 .250 11.50 5.88 3.63 5.63 1.75 12
10 ** 10.88 23.00 19.00 12.75 .250 14.50 6.50 4.25 6.25 2.00 12
12 ** 12.88 26.50 22.50 15.00 .250 17.75 7.38 4.88 7.13 2.13 16

2500 Lb Slip On Flanges Dimensions

FLANGE
NPS
Inside
Diam.
Outside
Diam.
Bolt Circle (BC) RF (R) RF (RF) H RF Thickness (T) T1 FF Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2 0.88 5.25 3.50 1.38 .250 1.69 1.81 1.19 1.56 0.88 4
3/4 1.09 5.50 3.75 1.69 .250 2.00 1.94 1.25 1.69 0.88 4
1 1.36 6.25 4.25 2.00 .250 2.25 2.13 1.38 1.88 1.00 4
1-1/4 1.70 7.25 5.13 2.50 .250 2.88 2.31 1.50 2.06 1.13 4
1-1/2 1.95 8.00 5.75 2.88 .250 3.13 2.63 1.75 2.38 1.25 4
2 2.44 9.25 6.75 3.63 .250 3.75 3.00 2.00 2.75 1.13 8
2-1/2 2.94 10.50 7.75 4.13 .250 4.50 3.38 2.25 3.13 1.25 8
3 3.57 12.00 9.00 5.00 .250 5.25 3.88 2.63 3.63 1.38 8
4 4.57 14.00 10.75 6.19 .250 6.50 4.50 3.00 4.25 1.63 8
5 5.66 16.50 12.75 7.31 .250 8.00 5.38 3.63 5.13 1.88 8
6 6.72 19.00 14.50 8.50 .250 9.25 6.25 4.25 6.00 2.13 8
8 8.72 21.75 17.25 10.63 .250 12.00 7.25 5.00 7.00 2.13 12
10 10.88 26.50 21.25 12.75 .250 14.75 9.25 6.50 9.00 2.63 12
12 12.88 30.00 24.38 15.00 .250 17.38 10.25 7.25 10.00 2.88 12

Weight Chart of Slip On Flanges

NPS DIMENSIONS WEIGHT (KG)
Normal Pipe Size
(In.)
DN (Millimeter) FLANGE
Outer Diameter
Millimeter
FLANGE
THICK.

D

MM

SOW
SW
WN BLIND
1/2 15 88.9 11.2 0.4 0.5 0.4
3/4 20 98.6 12.7 0.6 0.7 0.6
1 25 108 14.2 0.8 1 0.9
1 1/4 32 117.3 15.7 1 1.3 1.2
1 1/2 40 127 17.5 1.3 1.7 1.5
2 50 152.4 19.1 2.1 2.6 2.4
2 1/2 65 177.8 22.4 3.3 4.1 3.9
3 80 190.5 23.9 3.9 4.9 4.9
3 1/2 90 215.9 23.9 4.8 6.1 6.2
4 100 228.6 23.9 5.3 6.8 7.0
5 125 254 23.9 6.1 8.6 8.6
6 150 279.4 25.4 7.5 10.6 11.3
8 200 342.9 28.4 12.1 17.6 19.6
10 250 406.4 30.2 16.5 24 28.6
12 300 482.6 31.8 26.2 36.5 43.2
14 350 533.4 35.1 34.6 48.4 58.1
16 400 596.9 36.6 44.8 60.6 76.1
18 450 635 39.6 48.9 68.3 93.7
20 500 698.5 42.9 61.9 84.5 122.0
24 600 812.8 47.8 86.9 115 185.0

Pressure Ratings of SORF Flanges

ASME B16,5 Slip On Flanges Pressure Ratings With Weight and Size
NPS Class 150 Class 300 Class 600 Class 900 Class 1500 Class 2500
WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD
1/2″ 2 1 1 2 1 1 2 2 2 1500# WEIGHTS 5 4 4 7 7 7
3/4″ 2 2 2 3 3 3 4 3 3 1500# WEIGHTS 6 5 6 8 8 8
1″ 3 2 2 4 3 3 4 4 4 1500# WEIGHTS 9 8 8 12 11 11
1 1/2″ 4 3 3 7 6 6 8 7 8 1500# WEIGHTS 13 12 13 25 22 23
2″ 6 5 5 9 7 8 12 9 10 1500# WEIGHTS 25 25 25 42 37 39
2 1/2″ 8 7 7 12 10 12 18 13 15 1500# WEIGHTS 36 36 35 52 55 56
3″ 10 8 9 15 13 16 23 16 20 31 26 29 48 48 48 94 83 86
4″ 15 13 17 25 22 27 42 37 41 53 53 54 73 73 73 145 125 130
5″ 19 15 20 32 28 35 68 63 68 86 83 87 130 130 140 245 210 225
6″ 24 19 26 42 39 50 81 80 86 110 110 115 165 165 160 380 325 345
8″ 39 30 45 67 58 81 120 115 140 175 170 200 275 260 300 580 485 530
10″ 52 43 70 91 81 124 190 170 230 260 245 290 455 435 510 1075 930 1025
12″ 80 64 110 140 115 185 225 200 295 325 325 415 690 580 690 1525 1100 1300
14″ 110 90 140 180 165 250 280 230 355 400 400 520 940 NA 975 NA NA NA
16″ 140 98 180 250 190 295 390 330 495 495 425 600 1250 NA 1300 NA NA NA
18″ 150 130 220 320 250 395 475 400 630 680 600 850 1625 NA 1750 NA NA NA
20″ 180 165 285 400 315 505 590 510 810 830 730 1075 2050 NA 2225 NA NA NA
22″ 225 185 355 465 370 640 720 590 1000 NA NA NA NA NA NA NA NA NA
24″ 260 220 430 580 475 790 830 730 1250 1500 1400 2025 3325 NA 3625 NA NA NA

ASTM A105 is the standard specification covering forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. It can be readily manufactured to flanges, fittings, valves, and other piping components in accordance with dimensional standards such as MSS, ASME, API, EN/BS, DIN, NOSOK specifications, etc. A105 forgings are limited to a maximum weight of 4540 kg [10000 lb]. As stated in our quality manual, welding repair of defects in ASTM A105 flanges or fittings is absolutely prohibited by yaang(although it is permissible by the standard).
Forging
ASTM A105 carbon steel can be forged at temperatures in the range of 2200 to 1700 Fahrenheit (°F) followed by quenching and tempering or normalizing. The actual hot forging temperatures in closed die forging process will be decided by a number of factors, such as complexity of the forged part.
The proper temperature of forging can only be checked at the beginning of forging, higher temperature will probably cause surface defects, such as mill scales, which will bring uneven surface. And lower temperature will be not conducive to the plastic deformation of C1045 carbon steel forged part.
A105 forgings are limited to a maximum weight of 4540 kg [10000 lb]. As stated in our quality manual, welding repair of defects in ASTM A105 flanges or fittings is absolutely prohibited by yaang(although it is permissible by the standard).
Heat Treatment
Heat treatment is not a mandatory requirement of ASTM A105 piping components. However, there are some exceptions: ASME B16.5 flanges Class 400, 900, 1500, 2500; Flanges of special design where the design pressure at the design temperature exceeds the pressure-temperature ratings of Class 300; Flanges of special design where the design pressure or temperature are not known; Forged fittings or valve parts which are over 4″ and Class 300.
The typical heat treatment conducted for A105 forgings includes annealing(A), normalizing(A), normalizing and tempering(NT), quenching and tempering(QT). Especially, normalizing at approximate 950°C for 2.5 hours is often required by many clients to eliminate possible internal stress in the forgings. These materials are usually marked as “ASTM A105N”.
Machinability
Machinability of A105 carbon steel forging is good as for any of the low alloy steels.
Applications

This ASTM specification covers carbon steel forgings for piping applications such as flanges and fittings (45°eblow, 90° eblow, tee, coulping, etc)

What is Export Package for Flanges

  • Apply antirust oil to flanges.
  • Wrapping them with plastic foam.
  • Packing them into wooden case or pallet.
  • Stick shipping mark on the outside of wooden case.

How to Guarantee the Quality of Flanges

  • Visual the surface of buttweld flanges body. Such as dents, die marks, porosity, undercuts.
  • Check the marking. Such as size, type, grade, thickness, heat No.
  • Measure the dimensions. Such as diameter, thickness.
  • Test the chemical properties of flanges.
Summary
asme b16 5 astm a105 sorf flange dn500 class150 - ASME B16.5 ASTM A105 SORF Flange DN500 Class150
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