Class 300 Flanges Manufacturers
Check the Market price before you buy 300 LB Flange, Check 300# Flange Dimensions In MM.
Wide Stockists Of Stainless Steel Flange Class 300, We Provide Class 300 Forged Flange With Instant Delivery, View Class 300 Blind Flange Pressure Rating.
Skyland Metal & Alloys Inc. are a well known suppliers of ASME B16.5 Class 300 Flanges Manufacturers, ISO certified company in india. Check our 300# Flange Dimensions In MM. We specialise in manufacturing a comprehensive range of 300 LB Flange. We provides 300 LB Flange in several ANSI/ ASME standards like ANSI B16.5 Flange and ASME B16.5 Flange. We also offer several variety of class 300 flange material like 300 lb blind flange, 300 lb orifice flange, class 300 wnrf flange and class 300 rf flange. stainless steel class 300 flange visually impaired Flange and so forth. These flange are exceedingly strong, erosion safe and dependable. Supply and Export of class 300 copper flange & Class 300 Carbon Steel Flange which meets with international and national quality standards.
ASME B16.5 Class 300 Flanges Manufacturers can be assembled and disassembled easily with Pipes. Our scope of 300 lb blind flange discovers application in businesses like, construction, compound, development, power plant, oil field etc. Skyland Metal offer these spines in different measurements according to the particulars given by our customers. class 300 valve and class 300 dimensions in mm are shown below for your reference. We have expertise in raising their faces by 1/16 inches and have flat faces.
Class 300 Flanges
Check 300# Flange Dimensions
Class 300 Blind Flange Pressure Rating
Table of contents
- What Is Class 300 Flange?
- Class 300 Flange Price List In India
- Class 300 Flange Specification
- Type Of Class 300 Flange
- Class 300 Slip On Flange Dimensions
- Socket Weld Flange Dimensions Class 300
- 300 Lb Blind Flange Dimensions
- Weld Neck Flange Class 300
- Threaded Flange Class 300
- Lap Joint Flange Dimensions Class 300
- Long Weld Neck Flange Dimensions Class 300
- ASME B16.48 Spectacle Blind Class 300 Flanges
- ASME B16.48 300# Spades & Ring Spacers
- ASME B16.47 Nipo Flange Class 300
- ASME B16.47 Class 300 Weldo Flange
- ASME B16.48 Bleed Ring 300#
- ANSI B16.5 Class 300 Forged Flanges
- ASME B16.5 Class 300 Plate Flanges
- ANSI B16.5 Ring Type Joint 300# Flanges
- Class 300 Raised Face Flange Dimensions
- Grooved Flange Class 300
- 300 lb Male and Female Flange
- Class 300 Reducing Flange
Distributors Of Class 300 Flange Material, We Are One Of The Most Trusted And Reliable Supplier Of Class 300 Carbon Steel Flange, Multiple Payment Options And Low Price For Class 300 Raised Face Flange, Check Class 300 Flange Dimensions In Inches.
We have large inventory of different types of Class 300 Flange, 300 lb blind flange, class 300 flanges, class 300 flange material, class 300 stitch, weld neck flange class 300 are supplied in cities such as Ahmedabad, Chennai, Bhosari, Ghaziabad, Rajkot, Pune, Bangalore, Ludhiana, Delhi, Vadodara. We Also long weld neck flange class 300, socket weld flange class 300, class 300 rf flange supply minimun quantity of class 300 rtj flange, flanges slip on class 300 and threaded flange class 300, lap joint flange class 300, class 300 pipe flanges, ansi b16.5 /asme b16.5 class 300 flanges in countries like Germany, Netherlands, France, Canada, Italy, Finland, China, Sweden.
What Is Class 300 Flange?

ASME B16.5 standard & ANSI B16.5 standard covers size NPS ½” to 24” Flanged Fittings and Pipe Flanges. class 300 flange specification further delineates flanges into pressure classes: ASME b16.5 300, ANSI b16.5 400, SA b16.5 600, ASME b16.5 900, ANSI b16.5 1500 and ASME b16.5 2500. Our offrered class 300 flange torque is accessible to our valuable customers in different range of Class 300 Flange Thickness (w), 300 lb flange diameters (d) and Class 300 Flange sizes (nom. Pipe Size) in customized formas per client requirment and also at quite affordable class 300 flange price list in india. As a reputed Class 300 Flanges Manufacturers in India. we offer these Copper Class 300 Flange, Copper Nickel 300 lb Flange, 300 lb class Flange, Hastelloy 300 lb class Flange, Inconel 300# flange, Monel 300# flange all standard in which the common world standards include ASA/ ANSI/ ASME (USA), BS10 (Australian/ British), PN/ DIN (European) and JIS/ KS (Korean/ Japanese).
Class 300 Flange Price List In India
| Class 300 Flange type | Class 300 Flange Price in India | Class 300 Flange Price in USD | Class 300 Flange Price in UAE Dirham |
|---|---|---|---|
| ASME B16.5 Class 300 Carbon Steel Blind Forged Flanges | INR 354.40 / Kg | USD $5.17 / Kg | AED 18.99 UAE Dirham |
| Class 300 Blind Aluminum Pipe Flanges | INR 1439.56 / Kg | USD $21 / Kg | AED 77.13 UAE Dirham |
| 6 Inch Stainless Steel Ansi B16.5 Class 300 Blind Flange | INR 183.71 / Kg | USD $2.68 /Kg | AED 9.84 UAE Dirham |
| ANSI B16.5 Flange Class 300 | INR 1040.59 / Kg | USD $15.18 /Kg | AED 55.76 UAE Dirham |
Please note this is an approx Price of class 300 flange price list in india. For final class 300 flange price List Please Call on +91 22 66109735 or drop an Email to sales@skylandmetal.in
Class 300 Flange Specification
| Specifications | Class 300 Flanges |
|---|---|
| Class 300 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. |
| Class 300 Flange Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Class 300 Flange Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| ASME B16.5 Class 300 Flange size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Class 300 Flange Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Class 300 Flange Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Class 300 Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Most common types of Class 300 Flanges |
|
| Production technique |
|
| 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 |
|
| Class 300 Flanges Standard | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
|
| Key markets and industries for Class 300 Flanges |
|
| 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 Class 300 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Class 300 Flanges Application |
|
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Type Of Class 300 Flange
Skyland Metal & Alloy Inc. is Class 300 Flanges Manufacturers in india and supplier of offering in all Ratings up to 2500#, built a distribution network with more then 65 countries globally.
ASME B16.5 300# Flange Dimensions

| Normal pipe size |
Outside dia. of flange |
Minimum thickness of flange |
Overall Length | Bolt Circle |
No. and Size of Holes |
O.D. of raised face |
|||
|---|---|---|---|---|---|---|---|---|---|
| Welding neck |
Slip-on & socket welding |
Lap Joint | |||||||
| O | Q | Y | Diam. | No. | dia. | R | |||
| 1/2 | 95 | 14.3 | 52.4 | 22.2 | 22.2 | 666.5 | 4 | 15 | 35 |
| 3/4 | 117 | 15.9 | 57.2 | 25.4 | 25.4 | 82.4 | 4 | 19 | 43 |
| 1 | 124 | 17.5 | 61.9 | 27.0 | 27.0 | 89.0 | 4 | 19 | 51 |
| 1-1/4 | 133 | 19.1 | 65.1 | 27.0 | 27.0 | 98.5 | 4 | 19 | 64 |
| 1-1/2 | 156 | 20.7 | 68.3 | 30.2 | 30.2 | 114.5 | 4 | 22 | 73 |
| 2 | 165 | 22.3 | 69.8 | 33.3 | 33.3 | 127.0 | 8 | 19 | 92 |
| 2-1/2 | 190 | 25.4 | 76.2 | 38.1 | 38.1 | 149.0 | 8 | 22 | 105 |
| 3 | 210 | 28.6 | 79.4 | 42.9 | 42.9 | 168.0 | 8 | 22 | 127 |
| 4 | 254 | 318 | 85.7 | 47.6 | 47.6 | 200.0 | 8 | 22 | 157 |
| 5 | 279 | 35.0 | 98.4 | 50.8 | 50.8 | 235.0 | 8 | 22 | 186 |
| 6 | 313 | 36.6 | 98.4 | 52.4 | 52.4 | 270.0 | 12 | 22 | 216 |
| 6 | 381 | 413 | 111.1 | 61.9 | 91.9 | 330.0 | 12 | 25 | 270 |
| 10 | 444 | 47.7 | 117.5 | 66.7 | 95.3 | 387.5 | 16 | 29 | 324 |
| 12 | 521 | 50.8 | 130.2 | 73.0 | 101.6 | 451.0 | 16 | 32 | 381 |
| 14 | 584 | 54.0 | 142.9 | 76.2 | 111.1 | 514.5 | 20 | 32 | 413 |
| 16 | 648 | 57.2 | 146.0 | 82.6 | 120.7 | 571.5 | 20 | 35 | 470 |
| 18 | 711 | 60.4 | 158.8 | 88.9 | 130.2 | 628.5 | 24 | 35 | 533 |
| 20 | 775 | 63.5 | 161.9 | 95.2 | 139.7 | 686.0 | 24 | 35 | 584 |
| 24 | 914 | 69.9 | 168.3 | 106.4 | 152.4 | 843.0 | 24 | 41 | 692 |
Weight Of Class 300 Flange
Class 300 Flange Bolt Chart
| 300 LB. Flanges | ||
| # Bolts or Studs | Dia of Bolts or Studs | Length of Stud |
| 1/16 RF | ||
| 4 | 0.50 | 2-1/2 |
| 4 | 0.63 | 3 |
| 4 | 0.63 | 3 |
| 4 | 0.63 | 3-1/4 |
| 4 | 0.75 | 3-1/2 |
| 8 | 0.63 | 3-1/2 |
| 8 | 0.75 | 4 |
| 8 | 0.75 | 4-1/4 |
| 8 | 0.75 | 4-1/4 |
| 8 | 0.75 | 4-1/2 |
| 8 | 0.75 | 4-3/4 |
| 12 | 0.75 | 4-3/4 |
| 12 | 0.88 | 5-1/2 |
| 16 | 1.00 | 6-1/4 |
| 16 | 1.13 | 6-3/4 |
| 20 | 1.13 | 7 |
| 20 | 1.25 | 7-1/2 |
| 24 | 1.25 | 7-3/4 |
| 24 | 1.25 | 8 |
| 24 | 1.50 | 9 |
Skyland Metal & Alloy Inc. is a Govt. approved certified Class 300 Flanges Manufacturers in india. All of our class 300 rf flange are manufactured and tested to international standards, and specifications as per JIS, EN, DIN, ASTM etc. We are well-known as a trusted vendor as a class 300 raised face flange & class 300 reducing flange distributor in your country. We have huge stock in Asia, GCC, Gulf, Middle east, UK to supply with over 28 countries, we provide after sales service and fast delivery.
300 Lb Flanges Pressure Rating
Rating Of Carbon Steel Flanges
Rating In “PSI”
The Table Shows The Maximum Pressure In PSI ASTM A105 / ASTM A350 LF2 / ASTM A350 LF3 / ASTM A350 LF6
| Temperature (in F°) | 300# |
| 100 | 740 |
| 200 | 680 |
| 300 | 655 |
| 400 | 635 |
| 500 | 605 |
| 600 | 570 |
| 650 | 550 |
| 700 | 530 |
| 750 | 505 |
| 800 | 410 |
| 850 | 320 |
| 900 | 230 |
| 950 | 135 |
| 1000 | 85 |
| Hydrostatic Test Pressure (psig) | 1125 |
RATING IN BARS
| TEMP C° | 300# |
| -29 / 38 | 51.1 |
| 50 | 50.1 |
| 100 | 46.6 |
| 150 | 45.1 |
| 200 | 43.8 |
| 250 | 41.9 |
| 300 | 39.8 |
| 325 | 38.7 |
| 350 | 37.6 |
| 375 | 36.4 |
| 400 | 34.7 |
| 425 | 28.8 |
| 450 | 23 |
| 475 | 17.4 |
| 500 | 11.8 |
| 538 | 5.9 |
Rating of Stainless Steel Flanges
Flanges Pressure Rating in Bars ANSI flanges ( ASTM A182 F304L / ASTM A182 F316L )
| TEMP C° | 300# |
| -29 TO 38 | 41.4 |
| 50 | 40 |
| 100 | 34.8 |
| 150 | 31.4 |
| 200 | 29.2 |
| 250 | 27.5 |
| 300 | 26.1 |
| 325 | 25.5 |
| 350 | 25.1 |
| 375 | 24.8 |
| 400 | 24.3 |
| 425 | 23.9 |
| 450 | 23.4 |
Class 300 Flange Size
| Nominal Size |
Outside Diameter
(OD) |
Min. Thickness
(T) |
RF Dia.
(R) |
No. of Bolt Holes | Diameter of Holes |
Bolt Circle
(BC) |
SO Bore ID
(SB) |
WN Bore ID
(WB) |
Dia. Hub Base
(HB) |
Dia. Hub Top
(HT) |
SO LTH
(SL) |
WN LTH
(WL) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1⁄2 | 3.75 | 0.50 | 1.38 | 4 | 0.63 | 2.62 | 0.88 | 0.62 | 1.50 | 0.84 | 0.81 | 2.00 |
| 3⁄4 | 4.62 | 0.56 | 1.69 | 4 | 0.75 | 3.25 | 1.09 | 0.82 | 1.88 | 1.05 | 0.94 | 2.19 |
| 1 | 4.88 | 0.62 | 2.00 | 4 | 0.75 | 3.50 | 1.36 | 1.05 | 2.12 | 1.32 | 1.00 | 2.38 |
| 11⁄4 | 5.25 | 0.69 | 2.50 | 4 | 0.75 | 3.88 | 1.70 | 1.38 | 2.50 | 1.66 | 1.00 | 2.50 |
| 11⁄2 | 6.12 | 0.75 | 2.88 | 4 | 0.88 | 4.50 | 1.95 | 1.61 | 2.75 | 1.90 | 1.13 | 2.63 |
| 2 | 6.50 | 0.81 | 3.62 | 8 | 0.75 | 5.00 | 2.44 | 2.07 | 3.31 | 2.38 | 1.25 | 2.69 |
| 21⁄2 | 7.50 | 0.94 | 4.12 | 8 | 0.88 | 5.88 | 2.94 | 2.47 | 3.94 | 2.88 | 1.44 | 2.94 |
| 3 | 8.25 | 1.06 | 5.00 | 8 | 0.88 | 6.62 | 3.57 | 3.07 | 4.62 | 3.50 | 1.63 | 3.06 |
| 31⁄2 | 9.00 | 1.12 | 5.50 | 8 | 0.88 | 7.25 | 4.07 | 3.55 | 5.25 | 4.00 | 1.69 | 3.13 |
| 4 | 10.00 | 1.19 | 6.19 | 8 | 0.88 | 7.88 | 4.57 | 4.03 | 5.75 | 4.50 | 1.82 | 3.32 |
| 5 | 11.00 | 1.31 | 7.31 | 8 | 0.88 | 9.25 | 5.66 | 5.05 | 7.00 | 5.56 | 1.94 | 3.82 |
| 6 | 12.50 | 1.38 | 8.50 | 12 | 0.88 | 10.62 | 6.72 | 6.07 | 8.12 | 6.63 | 2.00 | 3.82 |
| 8 | 15.00 | 1.56 | 10.62 | 12 | 1.00 | 13.00 | 8.72 | 7.98 | 10.25 | 8.63 | 2.38 | 4.32 |
| 10 | 17.50 | 1.81 | 12.75 | 16 | 1.12 | 15.25 | 10.88 | 10.02 | 12.62 | 10.75 | 2.56 | 4.56 |
| 12 | 20.50 | 1.94 | 15.00 | 16 | 1.25 | 17.75 | 12.88 | 12.00 | 14.75 | 12.75 | 2.82 | 5.06 |
| 14 | 23.00 | 2.06 | 16.25 | 20 | 1.25 | 20.25 | 14.14 | 13.25 | 16.75 | 14.00 | 2.94 | 5.56 |
| 16 | 25.50 | 2.19 | 18.50 | 20 | 1.38 | 22.50 | 16.16 | 15.25 | 19.00 | 16.00 | 3.19 | 5.69 |
| 18 | 28.00 | 2.31 | 21.00 | 24 | 1.38 | 24.75 | 18.18 | 17.25 | 21.00 | 18.00 | 3.44 | 6.19 |
| 20 | 30.50 | 2.44 | 23.12 | 24 | 1.38 | 27.00 | 20.20 | 19.25 | 23.12 | 20.00 | 3.69 | 6.32 |
| 22 | 33.00 | 2.57 | 25.25 | 24 | 1.63 | 29.25 | 22.22 | 21.25 | 25.25 | 22.00 | 3.93 | 6.43 |
| 24 | 36.00 | 2.69 | 27.62 | 24 | 1.63 | 32.00 | 24.25 | 23.25 | 27.62 | 24.00 | 4.13 | 6.56 |
Other Type Of Class 300 Flanges Manufacturers In India
| 300 lb orifice flange | 300 lb flange gasket |
| class 300 valve | class 300 stitch |
| class 300 flange material | weld neck flange class 300 |
| class 300 rf flange | class 300 raised face flange |
| ansi class 300 rf flange | class 300 reducing flange |
| class 300 rtj flange | torque table for class 300 flange |
| threaded flange class 300 | 1 inch class 300 flange |
| astm a105 class 300 flange | asme class 300 flange |
| ansi b16.47 series a class 300 flanges | flange size class 300 |
| class 300 series a flange | class 300 carbon steel flange |
| class 300 flange specs | class 300 flange gasket |
| grooved flange class 300 | 300 lb class flange |
| flange class 300 lbs | class 300 copper flange |
| ms flange class 300 | class 300 flange adapter |
Skyland Metal is a Class 300 Flanges Manufacturers in india, and supplier of ASME B16.5 300# Flange offering in all Ratings up to 3000#, built a distribution network with more then 15 countries globally like Malaysia, India. Flange 300# for Thailand, class 300 reducing flange suppliers in dubai, Vietnam, threaded flange class 300 suppliers in qatar, Indonesia, Saudi Arabia (KSA), philippines, Singapore, Kuwait, Qatar, Philippines, South Africa, UK, class 300 pipe flange for Oman, Bahrain. You can mail to sales@skylandmetal.in for astm a105 class 300 flange to induce live quotes now. Looking to buy ASME class 300 flange at the best cost in India.
Client Reference In Worldwide
Petrochemicals (Malaysia) Sdn. Bhd.
Johor, Malaysia.
petrofac international
Abu Dhabi, United Arab Emirates
ST Paper Resources PTE LTD
Chin Bee Rd, Singapore
JMC Projects (India) Limited
Mumbai, India
Gulf Farabi Petrochemical
Jubail, Saudi Arabia
Tatweer Petroleum
Al Rumamin, Bahrain
Qatar Petrochemical Company
Doha, Qatar
SacOil Holdings Ltd
Bryanston, South Africa
United Pulp And Paper Co., Inc
Bulacan, Philippines
Kikuchi Industry (Thailand) Co., Ltd.
Bangkok, Thailand
Tecnon OrbiChem Ltd
Croydon, UK
petrolimex corporation
Hà Nội, Vietnam

