ASTM A182 F91 Flanges and Alloy Steel A182 F91 Flanges Equivalent

Overview

Pressure Class:300#, 150#, 900#, 600#, 2500#, 1500#
Schedule:Sch 5 to XXS
NPS:1/2 to 48"
Face:RF, FF, RTJ
Standards:ASME B16.5, MSS SP44, B16.47 Series A & B
Process: Forging, Rolling, Casting
Temperature Range:up to 593°C
MTC:EN 10204 3.1
RFQ:contact@pipingmaterial.sa

Table of Content

A182 F91 Flanges American and European Standard
ASTM A182 F91 Flanges Specification
SA 182 F91 Pipe Flanges Size Chart
Pressure Ratings Of ASTM A182 F91 Alloy Steel Socket Weld Flange
Types of ASTM A182 F91 Flanges
SA 182 F91 Flanges Dimension Standards
Characteristics Of F91 Alloy Steel Blind Flanges

Weight Chart Of A182 Gr F91 Pipe Flanges
UNS K90901 Flanges Face Types
ASTM A182 F91 Material Equivalent
ASTM A182 F91 Steel Threaded Flange Testing
Chemical Composition of ASTM A182 F91 Flanges
Alloy Steel A182 F91 Flanges Mechanical Properties
A182 Gr F91 Lap Joint Flange Physical Properties

A182 F91 Flanges American and European Standard

ASTM B564
ASME SB 564
UNS N06625
WNR 2.4856
ISO 15156
MSS SP44
ASME B16.5
ASME B16.47 Series A & B

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ASTM A182 F91 Flanges Specification

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ASTM A182 F91 Flanges Sizes

Schedule :Sch 5 to XXS
NPS:1/2 to 48"
Class:150 to 2500#

F91 Alloy Steel Threaded Flanges Threads

MNPT, BSPT
BSPP, FNPT
NPT

ASTM A182 Grade F91 Type 2 Pipe Flanges Supporting Material

Gaskets
Flange Bolts
Ring Joint

ASTM A182 Gr F91 Blind Flanges Origin

Japanese, European
Indian
American, Korean

ASTM A182 F91 Alloy Steel Slip On Flange Coating

Oil varnished
Oil Black Paint
Zinc Plated

SA 182 F91 Weld Neck Flanges Fulfill

NACE MR0175
Sour service
NACE MR0103

UNS K90901 Socket Weld Flanges Packaging

Plastic Wrap/Bags
Bubble Wrap
Anti-Tarnish Paper

F91 Alloy Steel Threaded Flanges Testing

Tensile, Pressure
PMI test
Hardness test

SA 182 Gr F91 Lap Joint Flange Documentation

100% Radiography Test Report
MTC
Third Party Inspection

Find Stockists of UNS K90901 Socket Weld Flanges in Al Jubail, Check Sizes

SA 182 F91 Pipe Flanges Size Chart

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Nominal Pipe size	Dia. of Flange	O.D of Pipe	Dia. of Bolt Circle	Dia. of Bolt	No. of Bolt	Thickness
1/2"	95.3	21.3	66.7	12.7	4	4.8
1"	114.3	33.4	82.6	12.7	4	4.8
1 1/2"	133.4	48.3	98.4	12.7	4	6.4
2 1/2"	165.1	73.0	127.0	15.9	4	7.9
3 1/2"	203.2	101.6	165.1	15.9	4	9.5
5"	254.0	141.3	209.6	15.9	8	12.7
7"	304.8	190.5	260.4	15.9	8	12.7
9"	368.3	244.5	323.9	15.9	8	15.9
12"	457.2	323.9	406.4	19.1	12	15.9
16"	577.9	406.4	520.7	22.2	12	19.1
20"	704.9	508.0	641.4	22.5	16	25.4

Pressure Ratings Of ASTM A182 F91 Alloy Steel Socket Weld Flange

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Temperature °F	300#	150#	400#	900#	600#	2500#	1500#
-20 to 100	720	275	960	2160	1440	6000	3600
300	540	205	720	1620	1080	4500	2700
500	465	170	620	1395	930	3880	2330
600	435	140	580	1310	875	3640	2185
700	425	110	565	1275	850	3540	2125
800	405	80	540	1210	805	3360	2015
900	390	50	520	1165	780	3240	1945
1000	320	20	430	965	640	2675	1605
1100	255	20	345	770	515	2145	1285
1200	155	20	205	465	310	1285	770
1300	85	20	115	255	170	715	430
1400	50	20	65	145	95	400	240
1500	25	10	35	80	55	230	135

Types of ASTM A182 F91 Flanges

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ASTM A182 F91 Steel Exhaust Flanges

A182 F91 Header Flanges

SA182F91 Puddle Flange

ASTM A182 F91 Slip On Flange

SA 182 F91 Blind Flanges

A182 Gr F91 Weld Neck Flange

SA182F91 Socket Weld Flange

UNS K90901 Threaded Flange

A 182 F91 Plate Flange

F91 steel Ring Type Joint Flange

SA182 F91 Spectacle Blind Flanges

A182 F91 Long Weld Neck Flanges

SA 182 F91 Flanges Dimension Standards

JIS Standard of Flanges	BS Standard of Flanges	DIN Standard of Flanges
B2220 10K B2220 5K B2220 20K B2220 16K	BS 4504 PN 10 , BS4504 PN 6 BS4504 PN 16, BS 10 BS4504 PN 40, BS Table E BS 4504 PN 100,BS Table H BS 4504 PN 250, BS4504 PN 25 BS Table D, BS 4504 PN 64 BS Table F, BS 4504 PN 160	2527,2576 2573,2656 2641, 2566 2655,2628 2627,2631 2629, 2633 2632,2635 2634,2637 2636,2673 2638, 2642

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Characteristics Of F91 Alloy Steel Blind Flanges

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High Temperature Service
High Strength

Corrosion & Oxidation Resistance
Durability

Weight Chart Of A182 Gr F91 Pipe Flanges

NPS	SORF	SWRF	NPT	BLRF	Loose	WRNR
½	1	2	1	2	1	2
1	2	2	2	2	2	3
1½	3	3	3	4	3	4
2½	8	8	8	7	8	10
3½	11	11	12	13	11	12
5	15	15	15	20	15	21
8	30	30	30	47	30	42
12	64	64	64	123	64	88
16	106	98	98	180	140	140
20	165	165	165	285	195	197
24	220	220	220	430	275	268

View ASME SA182 F91 Class 300 Flange with RTJ, RF, and FF Faces also check Equivalent

UNS K90901 Flanges Face Types

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Raised Face
Flat Face
Ring Type Joint

Male & Female
Tounge & Groove

ASTM A182 F91 Material Equivalent

UNS

(North America)

K90901

WNR

(Russia)

1.4903

ASTM

(America)

ASTM A182

ASME

(Australia)

ASME SA182

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ASTM A182 F91 Steel Threaded Flange Testing

Corrosion Test
Flaring Test
Hydrostatic Test

PMI Test
Flattening Test
IGC Test

Chemical Composition of ASTM A182 F91 Flanges

8.0-9.5%

0.30 - 0.60%

0.4%

0.85-1.05%

0.01%

0.20-0.50%

Alloy Steel A182 F91 Flanges Mechanical Properties

Gr	Tensile Strength (Mpa)	Elongation %	Yield Strength (Mpa)
ASTM A182 F91 Flanges	415	20	585

A182 Gr F91 Lap Joint Flange Physical Properties

Hardness (Rockwell C)	28 - 35 HRC
Poisson's Ratio	~0.3
Density	7.75 g/cm³
Modulus of Elasticity	210 GPa
Coefficient of Thermal Expansion	13.5 × 10⁻⁶ /°C
Thermal Conductivity	25.5 W/m·K