ASTM A182 F91 Flange

ASME SA 182 Grade F91 Forged Flanges Manufacturer in India

ASTM A182 F91 material properties
The astm a182 f91 flanges is made up of alloy that consists of different types of elements like carbon, silicon, manganese, chromium, and molybdenum. The presence of around 4% chromium helps in enhancing the corrosion resistance as well as the mechanical properties. The astm a182 f91 flanges comes with a very high strength, with around 275 MPa min yield strength and 485 MPa min tensile strength.
The astm a182 f91 flanges are available in various diameters ranging from ½” to 36”. They are also available in different pressure classes between 150 to 2500. The astm a182 f91 flanges are available in different types of faces for varied requirements. The astm a182 f91 material is available in two classes, wherein class 1 is more widely used. They are used for a wide range of applications across several industries like chemical, petrochemical, oil and gas transportation, etc. The dimensions of these flange can be customized according to requirements.

ASME SA 182 Grade F91 Forged Flanges advantages
The ASME SA 182 Grade F91 Forged Flanges have a very uniform internal structure, and hence there are no chances of imperfections like pores which are present in casting flanges. They are stronger and more reliable. This is due to the tight grain structure of the flange. Also, they are not susceptible to cavities , and there are also no issues like shrinkage. The tight grain structure also helps the ASME SA 182 Grade F91 Forged Flange to resist more wear and tear. They are unlikely to become brittle like the casting flange. Thus, they are used in more harsh environments.

ASTM A182 F91 Flange

Stockist and Exporter of a182 F91 material in Mumbai, Get Lowest Price of Gr F91 Alloy Steel Flanges and Casting

Table of Content

• ASTM A182 F91 Flanges Specification
• ASTM A182 Grade F91 Flange Dimensions
• Size Chart of A182 F91 Type 1 Flange
• Price List of ASTM A182 F91 Flanges
• ASTM A182 Gr F91 Chemical Composition
• A182 F91 Mechanical Properties
• ASTM A182 Gr F91 Equivalent
• A182 F91 Density
• ASTM A182 F91 Machinability
• ASTM A182 F91 Heat Treatment
• Different Types of ASTM A182 F91 Flanges
• ASTM A182 F91 Type 1 Flange Weight Chart
• Pressure Rating of A182 Gr F91 Flange

ASTM A182 F91 Flanges Specification

Size Range	1/2″(15 NB) to 48″ (1200NB)
Pressure Rating Chart ANSI	150 LBS, 300 LBS, 2500 LBS, 900 LBS, 600 LBS, 1500 LBS
JIS	16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K
Manufacturer of Connect Type/ Flange Face Type	RF, Small Tongue, RTJ, FF, LJF, Large Tongue & Groove
Coating	Zinc Plated, Anti-rust Paint, Yellow Transparent, Oil Black Paint, Cold and Hot Dip Galvanized
Manufacturer of	GOST, JIS, ANSI, DIN, UNI, BS, AWWA, AS2129, SABS, NFE, EN etc.
DIN Pressure Calculation	25Bar 40Bar 16Bar 6Bar 10Bar / PN64 PN10 PN25 PN16 PN6 PN40
Equipment	Pushing Machine, Press machine, Sand-blasting machine, Bending machine, electric bevelling machine etc
Origin	Japan / West Europe / Indian / USA / Korean
UNI / EN	16Bar 6Bar 40Bar 10Bar 25Bar
Test	X-ray detector, Direct-reading Spectrograph, Magnetic particle detector, Ultrasonic flaw detector, Hydrostatic testing machine
Standards Provided By Manufacturer	ISO70051, MSS S44, API7S-43, API605, B16.48, ANSI/ASME B16.5, B16.47 Series A & B, BS4504, JISB2220, BS1560-3.1, ASME/ANSI B16.5/16.36/16.47A/16.47B, BS 10, EN-1092, DIN, API7S-15, EN1092
Common Types By Manufacturer	Threaded / Screwed / Forged / Plate
Production technique Used By Manufacturer	Heat treated, Forged and machined

ASTM A182 Grade F91 Flange Dimensions

Normal Pipe Size (NPS) Of Flange	(I.D.) Inside Diameter	Thickness Of Raised Face (RF) (T)	Outside Daimeter (O.D.)	Raised Face (R)	RF (Raised Face)	Holes Of Bolts (B)	H	T1	Thickness Of Flat Face (FF) (T2)	BC (Circle Of Bolt)	Bolts Holes Numbers
1/2	0.88	0.88	3.75	1.38	.063	0.62	1.50	0.50	0.82	2.62	4
1	1.36	1.06	4.88	2.00	.063	0.75	2.12	0.63	1.00	3.50	4
3/4	1.09	1.00	4.62	1.69	.063	0.75	1.88	.056	0.94	3.25	4
1-1/4	1.70	1.06	5.25	2.50	.063	0.75	2.50	0.69	1.00	3.88	4
2	2.44	1.31	6.50	3.62	.063	0.75	3.31	0.82	1.25	5.00	8
1-1/2	1.95	1.19	6.12	2.88	.063	0.88	2.75	0.75	1.13	4.50	4
2-1/2	2.94	1.50	7.50	4.12	.063	0.88	3.94	0.94	1.44	5.88	8
3	3.57	1.69	8.25	5.00	.063	0.88	4.62	1.06	1.63	6.62	8
3-1/2	4.07	1.75	9.00	5.50	.063	0.88	5.25	1.13	1.69	7.25	8
4	4.57	1.88	10.00	6.19	.063	0.88	5.75	1.19	1.82	7.88	8
5	5.66	2.00	11.00	7.31	.063	0.88	7.00	1.32	1.94	9.25	8
18	18.18	3.50	28.00	21.00	.063	1.38	21.00	2.32	3.44	24.75	24
6	6.72	2.06	12.50	8.50	.063	0.88	8.12	1.38	2.00	10.62	12
8	8.72	2.44	15.00	10.62	.063	1.00	10.25	1.56	2.38	13.00	12
10	10.88	2.62	17.50	12.75	.063	1.12	12.62	1.82	2.56	15.25	16
12	12.88	2.88	20.50	15.00	.063	1.25	14.75	1.94	2.82	17.75	16
14	14.14	3.00	23.00	16.25	.063	1.25	16.75	2.06	2.94	20.25	20
20	20.20	3.75	30.50	23.00	.063	1.38	23.12	2.44	3.69	27.00	24
16	16.16	3.25	25.50	18.50	.063	1.38	19.00	2.19	3.19	22.50	20
22	22.22	4.00	33.00	25.25	.063	1.63	25.25	2.57	3.94	29.25	24
24	24.25	4.19	36.00	27.25	.063	1.62	27.62	2.69	4.13	32.00	24

Check a182 f91 chemical composition, material properties, equivalent, Difference between Type 1 and Type 2

Size Chart of A182 F91 Type 1 Flange

Nominal Pipe Size NPS (inches)	Class 300
	Diameter of Flange (inches)	No. of Bolts	Diameter of Bolts (inches)	Diameter of Bolt Holes (inches)	Bolt Circle (inches)
1/4	3-3/8	4	1/2	0.62	2-1/4
1/2	3-3/4	4	1/2	0.62	2-5/8
3/4	4-5/8	4	5/8	0.75	3-1/4
1	4-7/8	4	5/8	0.75	3-1/2
1-1/4	5-1/4	4	5/8	0.75	3-7/8
1-1/2	6-1/8	4	3/4	0.88	4-1/2
2	6-1/2	8	5/8	0.75	5
2-1/2	7-1/2	8	3/4	0.88	5-7/8
3	8-1/4	8	3/4	0.88	6-5/8
3-1/2	9	8	3/4	0.88	7-1/4
4	10	8	3/4	0.88	7-7/8
5	11	8	3/4	0.88	9-1/4
6	12-1/2	12	3/4	0.88	10-5/8
8	15	12	7/8	1	13
10	17-1/2	16	1	1.12	15-1/4
12	20-1/2	16	1-1/8	1.25	17-3/4
14	23	20	1-1/8	1.25	20-1/4
16	25-1/2	20	1-1/4	1.38	22-1/2
18	28	24	1-1/4	1.38	24-3/4
20	30-1/2	24	1-1/4	1.38	27
24	36	24	1-1/2	1.62	32

Price List of ASTM A182 F91 Flanges

ASTM A182 F91 Flanges Price Per Piece in India	Alloy Steel A182 F91 Flange Price in INR	A182 F91 Type 1 Flange Price in UAE Dirham	A350 LF6 Flange Price in USD
astm a182 f91 steel slip on flange Per Piece	3237.29	UAE Dirham 159.78	$4
Forged a182 f91 alloy steel thread flange npt Per Kg	744.20	UAE Dirham 36.73	$10

ASTM A182 Gr F91 Chemical Composition

Grade	C	Si	Mn	P	Cr	S	Mo
Alloy Steel F91	0.15 max	0.5-1.0	0.3-0.6	0.03	8-10	0.03	0.9-1.1

UNS K90901 material supplier in india and Stockholder of 9cr 1mo v steel

A182 F91 Mechanical Properties

Yield Strength (0.2%Offset)	Tensile Strength	Elongation
585	380	20 %

ASTM A182 Gr F91 Equivalent

STANDARD	UNS	DIN WERKSTOFF NR.	DIN
Alloy F91	-	1.4903	X 10 CrMoVNb 9 1

A182 F91 Density

Density

7.6 - 7.7 g/cm³

ASTM A182 F91 Machinability

Molybdenum in A182 F91 Flange enhances machinability and corrosion resistance while amplifying the impact of other alloying elements. It improves the red-hardness qualities of hot-work and high-speed steels.

ASTM A182 F91 Heat Treatment

Heat Treatment

Solution annealed 1040 ~ 1080 Deg. C

Different Types of ASTM A182 F91 Flanges

Alloy Steel F91 SORF Flanges

A182 F91 Type 1 Slip On Flange

ASTM A182 Gr F91 Blind Flange

ASME SA182 Gr F91 Orifice Flanges

A182 Gr F91 Reducing Flanges

Alloy Steel F91 Expander Flanges

ASME SA182 F91 Lapped Joint Flange

ASTM A182 F91 Type 1 Tongue & Groove Flange

ASTM A182 Grade F91 Girth Flanges

ASTM A182 Gr F91 Ring Joint Flange

ASTM A182 Gr F91 WNRF Flange

ASTM A182 Gr F91 Nipoflange

ASTM A182 F91 Long Weld Neck Flange

A182 F91 Type 1 Spectacle Blind Flange

ASME SA182 Grade F91 Socket Weld Flange

ASTM A182 Grade F91 Threaded Flange

ASTM A182 F91 Type 1 Screwed Flange

ASTM A182 F91 SWRF Flanges

ASTM A182 Grade F91 BLRF Flanges

A182 Grade F91 Weld Neck Flanges

Alloy Steel A182 F91 Flanges

ASTM A182 Grade F91 Flange

A182 F91 Type 1 Flanges

A182 Gr F91 Flanges

Produce and supply F91 Blind, Weld Neck, Gr F91 Socket Weld Flange with Test Certificate No. EN 10204/3.1B, Also supply with marking EN 1092-1 Type 11 PN25 F91

ASTM A182 F91 Type 1 Flange Weight Chart

NPS (Nominal Pipe Size)	Loose (Lap Joint)	NPT (Threaded)	SORF (Slip On)	BLRF (Blind)	SWRF (Socket Weld)	WRNR (Weld Neck)
½	1	1	1	2	2	2
1	2	2	2	2	2	3
1¼	3	3	3	3	3	3
¾	2	2	2	2	2	2
1½	3	3	3	4	3	4
2½	8	8	8	7	8	10
2	5	5	5	5	5	6
3	9	9	9	9	9	11.5
4	13	13	13	17	13	16.5
3½	11	12	11	13	11	12
5	15	15	15	20	15	21
8	30	30	30	47	30	42
6	19	19	19	27	19	26
10	43	43	43	70	43	54
24	275	220	220	430	220	268
14	105	90	90	140	90	114
12	64	64	64	123	64	88
16	140	98	106	180	98	140
20	195	165	165	285	165	197
18	160	130	130	220	130	165
22	245	185	185	355	185	225

Pressure Rating of A182 Gr F91 Flange

Temperature °F	Class 150	Class 600	Class 1500	Class 400	Class 900	Class 300	Class 2500
-20 to 100	275	1440	3600	960	2160	720	6000
300	205	1080	2700	720	1620	540	4500
200	230	1200	3000	800	1800	600	5000
400	190	995	2485	660	1490	495	4140
600	140	875	2185	580	1310	435	3640
650	125	860	2150	575	1290	430	3580
500	170	930	2330	620	1395	465	3880
700	110	850	2125	565	1275	425	3540
750	95	830	2075	555	1245	415	3460
850	65	790	1980	530	1190	395	3300
800	80	805	2015	540	1210	405	3360
900	50	780	1945	520	1165	390	3240
950	35	765	1910	510	1145	380	3180
1000	20	640	1605	430	965	320	2675
1100	20	515	1285	345	770	255	2145
1150	20	400	995	265	595	200	1655
1050	20	615	1545	410	925	310	2570
1200	20	310	770	205	465	155	1285
1250	20	225	565	150	340	115	945
1300	20	170	430	115	255	85	715
1400	20	95	240	65	145	50	400
1350	20	125	310	80	185	60	515
1450	15	70	170	45	105	35	285
1500	10	55	135	35	80	25	230