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Alloy Steel Flanges Manufacturers In India

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Alloy Steel Flanges
Alloy Steel Flanges
Chrome Moly Flanges
Chrome Moly Flanges
Chromium AS Flanges
Chromium AS Flanges


Chrome Moly Flanges Specification


Specification : Alloy Steel Flanges
Pressure Rating Table: Class 150 LBS Flanges, Class 300 LBS Flanges, Class 600 LBS Flanges, Class 900 LBS Flanges, Class 1500 LBS Flanges, Class 2500 LBS Flanges
Connect Type Type: LJF, RF, FF, RTJ, LMF, SMF
Design For Size: EN Flanges, ASA Flanges, ASME Flanges, DIN Flanges, JIS Flanges, ANSI Flanges, BS Flanges, PN Flanges
Flange Machining Equipment: Bending machine, Pushing Machine, Sand-blasting machine, Press machine, electric bevelling machine etc
Alloy Steel Flanges Standards: PN Flanges, JIS Flanges, ISO Flanges, GOST Flanges, UNI Flanges, AWWA Flanges, MSS SP44 Flanges, ASME B16.38 Flanges, EN-1092 Flanges, BS10 Flanges, DIN Flanges, ASME B16.5 Flanges, ASME B16.47 (Series A, Series B) Flanges
Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Production Process: Forged, Heat Treated and Machined
Coating Flange Faces : Cold and Hot Dip Galvanized, Anti-rust Paint, Zinc Plated, Yellow Transparent, Oil Black Paint
Supporting Flange Material: Gasket, Ring Joint, Flange Bolts
Common Types of Flange : Flanges 150 LB WNRF
Class 300 RTJ
600# BLRF
Class 900 SORF
Application: Chemical Industry
Natural Gas Industry
Nuclear Power Plant
Fabrication Industry
Water Pipeline Industry
Oil And Gas Industry

Types Of Chromoly Alloy Steel Pipe Flanges


Alloy Steel Reducing Flange

Alloy Steel Reducing Flanges

Alloy Steel Weld Neck Flange

Alloy Steel Weld Neck Flanges

Alloy Steel Blind Flange

Alloy Steel Blind Flanges

AS Flat Face Flange

AS Flat Face Flanges

Alloy Steel RTJ Flange

Alloy Steel RTJ Flanges

AS Raised Face Flange

AS Raised Face Flanges

Alloy Steel Socket Weld Flange

Alloy Steel Socket Weld Flanges

Alloy Steel Slip On Flange

Alloy Steel Slip On Flanges

Alloy Steel Orifice Flange

Alloy Steel Orifice Flanges

AS Spectacle Blind Flange

AS Spectacle Blind Flanges


Chromium AS Flanges Equivalent


Material Group Common Name Type UNS Forging Spec. Casting Spec. Equivalent DIN DIN W. No Application
Low AS Moly Steel C-1/2Mo K12822 A182-F1 cl2 A217-WC1 15M03 1.5415 Up to 470ºC* (875ºF)
AS Chrome Moly 1.1/4Cr-1/2Mo K11572 AS A182-F11 cl2 A217-WC6 13CRM044 1.7335 Up to 593ºC (1100ºF)
2.1/4Cr-1Mo K21590 AS A182-F22 cl3 A217-WC9 10CRM0910 1.7380 Up to 593ºC (1100ºF), HP steam
5Cr-1/2Mo K41545 AS A182-F5/F5a A217-C5 12CRMO195 1.7362 High temp refinery service
9Cr-1Mo K90941 AS A182-F9 A217-C12 X 12 CrMo 9 1 1.7386 High temp erosive refinery service
9Cr-1Mo-V AS A182-F91 A217-C12A X 10 CrMoVNb 9 1 1.4903 High pressure steam

Cast Alloy Steel Lap Joint Flange Size Range


Dimension Standards Size Range Ratings
Alloy Steel Socket Weld Flanges 1/2" to 24" 150# to 2500#
Low Alloy Steel Lapped joint Flanges 1" TO 24" 300# TO 2500#
High Alloy steel flange material 26" TO 48" 150# TO 600#
Chromium Alloy Steel lap joint flange 12" TO 60" 150# to 900#
Cast ASTM A182 Alloy Steel WNRF Flanges 26" TO 60" -
Chrome Alloy Steel RTJ Flange 2 1/6" TO 30" 2000 PSI TO 20000 PSI
Chromoly Alloy Steel Grade Flat Flange 1/2" TO 24" 150# TO 2500#
Scm420 Chromoly Alloy Steel Slip On Flanges DN10 TO DN3600 PN6 TO PN160

Chromoly AS Puddle Flange Pressure Rating


ANSI/ASME B16.34 ANSI PRESSURE RATING
Temperature °F AS Class 150 AS Class 300 AS Class 400 AS Class 600 AS Class 900 AS Class 1500 AS Class 2500
-20 to 100 265 695 925 1390 2085 3470 5785
200 260 680 905 1360 2035 3395 5660
300 230 655 870 1305 1955 3260 5435
400 200 640 855 1280 1920 3200 5330
500 170 620 830 1245 1865 3105 5180
600 140 605 805 1210 1815 3025 5040
650 125 590 785 1175 1765 2940 4905
700 110 570 755 1135 1705 2840 4730
750 95 530 710 1065 1595 2660 4430
800 80 510 675 1015 1525 2540 4230
850 65 485 650 975 1460 2435 4060
900 50 450 600 900 1350 2245 3745
950 35 280 375 560 845 1405 2345
1000 20 165 220 330 495 825 1370


AS Blind Flanges Chemical Composition


ELEMENT & PROPERTIES LOW ALLOY STEEL MEDIUM ALLOY STEEL
F11 CL2 F22 CL3 F5 F9
CARBON 0.10-0.20 0.05-0.15 0.15 MAX 0.15 MAX
MANGANESE 0.30-0.80 0.30-0.60 0.30-0.60 0.30-0.60
PHOSPHORUS MAX 0.040 0.040 0.03 0.030
SULFUR MAX 0.040 0.040 0.03 0.030
SILICON 0.50-1.00 0.50 MAX 0.50 MAX 0.50-1.00
NICKEL MAX – – 0.50 –
CHROMIUM 1.00-1.50 2.00-2.50 4.00-6.00 8.0-10.0
MOLYBDENUM 0.44-0.65 0.87-1.13 0.44-0.65 0.90-1.10
OPPER MA – – – –
COLUMBIUM MAX – – – –
VANDIUM MAX – – – –
TENSILE STRENGTH PSI (MPA) 70,000 (485) 75,000 (515) 70,000 (485) 85,000 (585)
YIELD STRENGTH PSI MIN 40,000 (275) 45,000 (310) 40,000 (275) 55,000 (380)
ELONGATION 2” % MIN 20 20 20 20
REDUCTION AREA % MIN 30 30 35 40
HARDNESS (HB) MAX* 143 ~ 207 156 ~ 207 143 ~ 217 179 ~ 217

Chrome 4130 Alloy Steel Slip On Flange Mechanical Properties


Grade Tensile Strength Yield Strength (0.2%Offset) Elongation
Alloy Steel A182 F1 275 485 20 %
Alloy Steel A182 F5 275 485 20 %
Alloy Steel A182 F9 380 585 20 %
Alloy Steel A182 F11 205 415 20 %
Alloy Steel A182 F12 275 485 20 %
Alloy Steel A182 F22 205 415 20 %
Alloy Steel A182 F91 380 585 20 %

4142 Alloy Steel Flange Material Applications


FORGING SPECIFICATION COMMON DESIGNATION MATERIAL SUFFIX WROUGHT BAR SPECIFICATION SERVICE RECOMMENDATIONS COMMON API TRIM # FOR THIS BASE MATERIAL
150 TO 600 # 900 TO 2500 #
AS A182 F1 C-1/2 Mo Low Alloy Steel ASTM A217 Grade WC1 A182 F1 Class 1 Non-corrosive applications Including water, oil and gases at temperatures between: -29 ~ 593ºC* (Not prolonged use > 470ºC). 8 8A 12/12A 5/5A
12
16
AS A182 F2 0.75% Ni; Mo; 0.75% Cr Low Alloy Steel ASTM A217 Grade WC5 A182 F2 Non-corrosive applications including water, oil and gases at temperatures F2:-29ºC ~ 538ºC, WC5: -29ºC ~ 575ºC 8 8A 12/12A 5/5A
12
16
AS A182 F11 1 1/4% Chrome; 1/2% Moly Low Alloy Steel ASTM A217 Grade WC6 A182 F11 Class 2 Non-corrosive applications including water, oil and gases at temperatures between -30ºC (-20ºF) and +593ºC (+1100ºF). 8 8A 12/12A 5/5A
12
16
AS A182 F22 2 1/4% Chrome Low Alloy Steel ASTM A217 Grade WC9 A182 F22 Class 3 Non-corrosive applications including water, oil and gases at temperatures between -30ºC (-20ºF) and +593ºC (+1100ºF). 8 8A 12/12A 5/5A
12
16
AS A182 F5/F5a 5% Chrome; 1/2% Moly, Medium Alloy Steel ASTM A217 Grade C 5 A182 F5/F5a Mild corrosive or erosive applications as well as non-corrosive applications at temperatures between -30ºC (-20ºF) and +650ºC (+1200ºF). 8 8A 12/12A 5/5A
12
16
AS A182 F9 9% Chrome; 1% Moly, Medium Alloy Steel ASTM A217 Grade C12 A182 F9 Mild corrosive or erosive applications as well as non-corrosive applications at temperatures between -30ºC (-20ºF) and +650ºC (+1200ºF). 8 8A 12/12A 5/5A
12
16
AS A182 F91 9% Chrome; 1% Moly; V-N, Medium Alloy Steel ASTM A217 Grade C12-A A182 F91 Mild corrosive or erosive applications as well as non-corrosive applications at temperatures between -30ºC (-20ºF) and +650ºC (+1200ºF). 8 8A 12/12A 5/5A
12
16

Scm420 Chromoly Alloy Steel Socket Weld Flanges Dimensions


NPS Flange (ID)
(inch)		 Flange (OD)
(inches)
150 LB 300 LB 400 LB 600 LB 900 LB
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

Alloy Steel Flanges Weight Chart


Standard Class Dia. Bolt Circle Dia. No. of Bolts Bolt Size Dia. of Bolt Hole
Alloy 4087 Flange PN14 Flange 95 67 4 M12 14
Alloy 2129 Flange Table C Flange 95 67 4 13 14
Table D Flange 95 67 4 13 14
Table E Flange 95 67 4 13 14
Table F Flange 95 67 4 13 14
Table H Flange 114 83 4 16 17
Table J Flange 114 83 4 16 17
ANSI B16.5 Flange ANSI 150 Flange 89 60 4 13 16
ANSI 300 Flange 95 67 4 13 16
ANSI 600 Flange 95 67 4 13 16
ANSI 900 Flange 121 83 4 19 22
ANSI 1500 Flange 121 83 4 19 22
ISO 7005 (DIN) Flange PN6 Flange 80 55 4 M10 11
PN10 Flange 95 65 4 M12 14
PN16 Flange 95 65 4 M12 14
PN20 Flange 90 60.5 4 M14 16
PN25 Flange 95 65 4 M12 14
PN40 Flange 95 65 4 M12 14