Carbon Steel Flanges manufacturer in India

Carbon steel flanges

ASME B16.5 CS Blind flanges and plate flanges exporter and supplier in Mumbai

Aesteiron Steels LLP, is an ISO certified carbon steel flanges manufacturers in india, we offer it in a wide range of sizes and specification by using high-grade raw materials which is tested by our expert team.

Carbon steel plate flanges is a form a rim at the end of a pipe when fastened to the pipe. It is used to seal the end of pipelines, valves or other connection. With high tensile strength it is available with a raised face and backups for easy installation. It is an iron-carbon alloy that consist up to 2.1 wt.% carbon. And carbon steels does not have minimum specified content of other alloying elements, however it often contain manganese.

Carbon steel slip on flanges is essentially a ring that is placed over the pipe end, with the flange face expanding from the end of the pipe by enough distance to apply a weld bead on the inside diameter.

It is useful for fluids at low pressure or with little risk of leakage. It is commonly used in , low-pressure compressed air lines, cooling water lines, firefighting water lines and process lines for substances such as steam, condensates, oil & gas, etc. It can be produced from recycled or virgin steel or a combination of both

Carbon steel forged flanges is used as a connection component for pipes, pumps and valves and other equipment to form a pipework system.It is usually welded onto pipes or screwed onto a threaded pipe end and then joined with bolts to make the connection.In order to make connection it is welded onto pipes or screwed onto a threaded pipe end and then joined with bolts.

Carbon steel blind flange does not have a bored centre or a hub. It has face thickness of a flange, a matching face type, and similar bolting pattern. It is used to seal a nozzle opening on a pressure vessel.

Table Of Content


Standard Specification Of Carbon steel flanges

Specifications ASTM A105 / ASME SA105, A105N
ASME B16.5 Carbon Steel Flanges size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Carbon Steel Flanges Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges.
CS Flanges Standard ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
DIN Standard 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS Standard 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI Standard 6Bar 10Bar 16Bar 25Bar 40Bar
EN Standard 6Bar 10Bar 16Bar 25Bar 40Bar
Manufacturing Types Forged / Threaded / Screwed / Plate
Flange supporting material Gasket, Ring Joint, Flange Bolts
Carbon Steel Pipe Flanges Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Most common types of Carbon Steel Flanges
  • Weld Neck raised face Flange (WNRF)
  • Slip-On raised face Flange (SORF)
  • Blind raised face Flange (BLRF)
  • Socket Weld raised face Flange (SWRF)
  • Threaded Flange
  • Plate Flange
  • Forged Flange
  • Lap Joint Flange (LJRF)
  • Ring Type Joint Flange (RTJF)
  • LWNRF
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Carbon Steel Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Specialized manufacturer of
  • Rtj Flanges
  • Pn16 Flanges
  • DIN 2566 pn16
  • DIN 2566 en 1092 1
  • DIN 2566 pn10
  • Carbon Steel Large Diameter Flanges
  • Carbon Steel Sorf Flanges
  • Carbon Steel Blind Flanges
  • Carbon Steel Table Flanges
  • Carbon Steel Weld Neck Flanges
  • Carbon Steel Threaded Flanges
  • Carbon Steel Slip-On Flanges
  • Carbon Steel Socketweld Flanges
  • Carbon Steel Plate Flanges
  • Carbon Steel Lap Joint Flanges
  • Carbon Steel Loose Flanges
  • Carbon Steel Orifice Flanges
  • Carbon Steel AS 4087 Water Flanges
Carbon Steel Flanges Standard

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
BS, EN, API 6A, ANSI, ASME, DIN, EN1092-1, UNI, JIS/ KS, BS4504, GB, AWWA C207, GOST, PSI

  • 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 flanges
  • DIN: DIN 2527, DIN 2566, DIN 2573, 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
Key markets and industries for Carbon Steel Flanges
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Carbon Steel Flanges Application
  • To Connect Pipe & Tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Carbon Steel Plate Flanges Price List

Type Description USA FOB Price Malaysia FOB Price Europe FOB Price Singapore FOB Price Saudi Arabia (KSA) FOB Price
    Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr
Carbon steel flanges Size : 6"NB x 150lb SORF US $ 16.51 Malaysia Ringgit 67.20 Euro 13.87 Singapore Dollar 22.12 Saudi Riyal 61.91

Frequently Used Carbon Steel Blind Flanges Types

Carbon Steel Plate Flanges

Carbon Steel Plate Flanges

Carbon Steel Blind Flanges

Carbon Steel Blind Flanges

ASME SA105 Carbon Lap Joint Flanges

ASME SA105 Carbon Lap Joint Flanges

Carbon Steel Slip On Flanges

Carbon Steel Slip On Flanges

ANSI B16.5 Carbon Steel Blind Flange

ANSI B16.5 Carbon Steel Blind Flange

Carbon Steel Forged Flanges

Carbon Steel Forged Flanges

Carbon Steel Slip On Flanges Pressure Rating

Flanges pressure rating in psig for common carbon steel ASME flanges
( A105 / A350 LF2 / A350 LF3 / A350 LF6)
Temperature (F°)
150#
300#
400#
600#
900#
1500#
2500#
-20 to 100
285
740
985
1480
2220
3705
6170
200
260
680
905
1360
2035
3395
5655
300
230
655
870
1310
1965
3270
5450
400
200
635
845
1265
1900
3170
5280
500
170
605
805
1205
1810
3015
5025
600
140
570
755
1135
1705
2840
4730
650
125
550
730
1100
1650
2745
4575
700
110
530
710
1060
1590
2655
4425
750
95
505
675
1015
1520
2535
4230
800
80
410
550
825
1235
2055
3430
850
65
320
425
640
955
1595
2655
900
50
230
305
460
690
1150
1915
950
35
135
185
275
410
685
1145
1000
20
85
115
170
255
430
715

Carbon Steel Forged Flanges Size Chart

Size Chart Of Carbon Steel Flange

Size Chart Of Carbon Steel Flange

ANSI B16.5 Carbon Steel Blind Flange Schedule Chart

Pipe Size
150 #
300 #
600 #
900 #
1500 #
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
SEE 1500 # WEIGHTS
5
4
4
7
7
7
3/4"
2
2
2
3
3
3
4
3
3
SEE 1500 # WEIGHTS
6
5
6
8
8
8
1"
3
2
2
4
3
3
4
4
4
SEE 1500 # WEIGHTS
9
8
8
12
11
11
1 1/2"
4
3
3
7
6
6
8
7
8
SEE 1500 # WEIGHTS
13
12
13
25
22
23
2"
6
5
5
9
7
8
12
9
10
SEE 1500 # WEIGHTS
25
25
25
42
37
39
2 1/2"
8
7
7
12
10
12
18
13
15
SEE 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

Carbon Steel Threaded Flange Weights

Standard
Class
Diameter
Bolt Circle Diameter
Number of Bolts
Bolt Size
Diameter of Bolt Hole
AS4087
PN14
95
67
4
M12
14
AS 2129 Flanges
Table C
95
67
4
13
14
Table D
95
67
4
13
14
Table E
95
67
4
13
14
Table F
95
67
4
13
14
Table H
114
83
4
16
17
Table J
114
83
4
16
17
ANSI B16.5
ANSI 150
89
60
4
13
16
ANSI 300
95
67
4
13
16
ANSI 600
95
67
4
13
16
ANSI 900
121
83
4
19
22
ANSI 1500
121
83
4
19
22
ISO 7005 (DIN) Flange
PN6
80
55
4
M10
11
PN10
95
65
4
M12
14
PN16
95
65
4
M12
14
PN20
90
60.5
4
M14
16
PN25
95
65
4
M12
14
PN40
95
65
4
M12
14

Check which CS flange material is in high demand globally

Carbon steel pipe flanges Thailand, Czechia, Germany, Malaysia, UK
A105 flange Finland, Hungary, Bangladesh, USA, Malaysia
Carbon steel blind flange Dammam -KSA, Dubai, Indonesia, Philippines, Belgium
A350 lf2 flanges Qatar, Thailand, Europe, France, Singapore
Carbon steel plate flanges Oman, Hong Kong, Malaysia, Argentina, UAE
sa 105 flange Iran, Italy, Austria, Chile, Singapore, Indonesia
Carbon steel forged flanges Kuwait, Brazil, Saudi Arabia (KSA), South Africa
P250gh flange UAE, Bahrain, Singapore, New Zealand, South Africa
Carbon steel slip on flanges UK, Nigeria, Jakarta -Indonesia, Philippines, Australia
Large Diameter High Strength Carbon Steel Blank Flanges Poland, UK, Canada, Ellington -United States
Carbon Floor Flange Vietnam, Singapore, Malaysia, Philippines, Canada
ASME B16.5 SCH40 SCH80 ASTM A105 Weld Neck Flange Turkey, Malaysia, Jordan, Norway, UAE
A105 150lb Dn150 carbon steel flat /slip on flange Malaysia, Russia, Dubai, Morocco, Netherlands
ASME B16.5 150LBS carbon steel pipe flanges Malaysia, Philippines, Los Alamos -Mexico, Taiwan
Carbon Steel Slip On Plate Flat Face Pipe Flange South Korea, NY 12203 (USA), Malaysia, Singapore
DN10-DN2000 jis din Standard CS plate Forged flange Spain, Egypt, UK, Vietnam, Mexico
carbon steel ANSI b16.5 galvanized flange Malaysia, Greece, UAE, Europe, United Kingdom -UK
ANSI B16.5 Carbon Steel Forged Blind Flange Portugal, Malaysia, Europe, Japan, Romania
Carbon Steel jis 2220 flange Peru, Denmark, Vietnam, Malaysia, Sweden, China, Colombia

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