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FORGED FLANGE ：
1) ANSI B16.5, ASME B16.47 FLANGE
2) EN1092-1 FLANGE
3) DIN FLANGE
4) GOST FLANGE
5) JIS B2220 FALNGE
304/304L – DUAL GRADE
This is the most common grade of flanged stainless steel fittings. 18% Cr, 8% Ni, nonmagnetic. We provide dual grade material that has the weldability that low carbon content improves as well as the higher rating of straight 304.
Do note that in high temperature applications (over 800degF), 304H would be recommended.
316/316/L – DUAL GRADE
This is the most common grade of stainless steel flange after 304/L, though due to certain industry demands, 316/L may be more readily available. 18% Cr, a minimum of 10% Ni, with Molybdenum added, 316 provides superior corrosion resistance compared to 304.
We provide dual grade material that has the weldability that low carbon content improves as well as the higher rating of straight 316. Do note that in high temperature applications (over 800degF), 316H would be recommended.
304H – UNS S30409
A high carbon variant of the most commonly used and extremely versatile stainless steel in the flange industry. 304H is an austenitic chromium stainless which contains a carbon content range of .04 – .10 to help with heat resistance for high temperature applications.
also carries all the general attributes and service properties of regular grade 304 stainless steel.
316H – UNS S31609
Similar in approach to 304H, grade 316H is a high carbon variant of regular grade 316 stainless steel, which contains a small percentage of molybdenum for use in marine grade applications.
This austenitic grade of stainless utilizes a higher carbon content for use in higher temperature service, much like its cousin grade 304H. Though it is less commonly used, it is still commercially available.
317/L – UNS S31700 / UNS S31703
An austenitic chromium grade containing molybdenum, and similar to grade 316, except with a higher value of stress resistance, increased tensile strength, higher service in elevated temperature, and general resistance to corrosion from chloride or sulfuric solutions. The low carbon option (L) can be selected for a more optimal socket weld flange requirement.
310/310S – UNS S31000 / UNS S31008
A stainless grade with excellent workability, utilized in heat exchanger applications and projects with elevated temperatures involving high salinity.
This grade contains an increased chromium and nickel content and has elevated characteristics of oxidation and corrosion resistance when compared to more common stainless grades such as 304 and 309.
321/321H – UNS S32100 / UNS S32109
An austenitic grade stainless containing over 4 or 5 times the level of titanium as it does in carbon, with a maximum titanium value of 0.70%.
This material has a high intergranular corrosion resistance and is well utilized in high heat applications in the aerospace industry such as aircraft jet engine manifolds and exhaust components.
347/347H – UNS S34700 / UNS S34709
A stainless flange grade containing a small percentage of columbium and tantalum for stabilization purposes.
Commonly used in the combined high heat and corrosion environments of refineries, power generation, and airline service, this austenitic alloy retains better properties in corrosive environments compared to similar alloys 321 and 317.
CHROME
A corrosion resistant material category containing a minimal nickel content, and just enough chromium to reduce oxidation. Popular grades under the A182 spec include F11, F22, F5, and F9.
DUPLEX
Can’t decide between stainless and alloy? How about the best of both worlds? We offer a variety of duplex in both forged and plate forms including grades 2205, F51, F53, and F60.
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BLIND FLANGES Blind flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for blind flanges, the standard height is 1/16" for blind flanges under 400#. For blind flanges of 400# and up, the standard blind flange raised face height is 1/4". Material: Carbon, Alloy and Stainless Steel Standards: ASTM A105, ASTM A182 Sizes: 1/2'' to 24'', Customized up to 48'' Thickness: Schedule 10(S) to SCH 160 Pressure Ratings: Class 150 to 2500 Face Type: RF, RTJ |
SLIP-ON FLANGES Slip on pipe flanges are typically provided with a raised or flat face. When a raised face is necessary for slip on pipe flanges, the standard height is 1/16" for slip on pipe flanges under 400#. For slip on pipe flanges of 400# and up, the standard slip on pipe flange raised face height is 1/4". Standard: ASTM A105, ASTM A182 Material: Carbon Steel, Alloy Steel, Stainless Steel Size: 1/2'' to 24'', customized up to 60'' Pressure Ratings: Class 150 to Class 2500 Face Type: RF, RTJ |
WELD NECK FLANGES Weld neck pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for weld neck pipe flanges, the standard height is 1/16" for weld neck pipe flanges under 400#. For weld neck pipe flanges of 400# and up, the standard weld neck pipe flange raised face height is 1/4". Material: Carbon, Alloy and Stainless Steel Standards: ASTM A105, ASTM A182 Sizes: 1/2'' to 24'', Customized up to 48'' Thickness: Schedule 10(S) to SCH 160 Pressure Ratings: Class 150 to 2500 Face Type: RF, RTJ |
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LAP JOINT FLANGES Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 24". Sizes above 24" are produced as lap joints to slip on dimensions. Coastal Flange provides Lap Joint pipe flanges in all material grades, specifications and sizes. Carbon steel: ASTM A105, A350 LF2 Stainless steel: A182 F304/F304L/F316/F316L/F321 Alloy steel: ASTM A182, GR F1, F11, F22, F5, F9, F91 Outer Diameters: 1/2'' to 24'' Wall Thickness Schedule: SCH 10, SCH 40, SCH 160 |
THREADED FLANGES Threaded pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for threaded pipe flanges, the standard height is 1/16" for threaded pipe flanges under 400#. For threaded pipe flanges of 400# and up, the standard threaded pipe flange raised face height is 1/4". Standard: ASTM A105, ASTM A182 Material: Carbon Steel, Stainless Steel, Alloy Steel Size Range: 1/2'', 1'', 2'', 3'', 4'' to 24'' Pressure Class: Class 150 to 2500 Face: Raised face (RF), Ring type joint (RTJ) |
SOCKET WELD FLANGES Socket Weld pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for socket weld pipe flanges, the standard height is 1/16" for socket weld pipe flanges under 400#. For socket weld pipe flanges of 400# and up, the standard socket weld pipe flange raised face height is 1/4". Standard: Carbon steel ASTM A105, ASTM A350 LF1/2, ASTM A181 Alloy steel ASTM A182 F5, F9, F11, F22, F91 Stainless steel ASTM A182 F304/L, F316/L Outer Diameters: 1/2 inch to 24 inch, up to 2500# Special made: 24'' to 60'', up to 900# Wall Thickness: Schedule 40 to 160 Pressure Ratings: Class 150 to Class 2500 Face Type: RF, RTJ |
| Welding neck |
| 1, Preferred for high-pressure, subzero or elevated temperature |
| 2, Hub is tapered and bored to match pipe’s inside diameter so flow is not restricted, preventing turbulence and reducing erosion |
| 3, Easily radiographed and provides excellent stress distribution |
| Slip-on |
| 1, Not normally used in high-stress applications due to low hub and weld attachment |
| 2, Silps over outside of pipe |
| 3, Inside of flange welded at hub and end of pipe |
| Lap joint |
| 1, Used where bolt alignment or access for cleaning is required |
| 2, Similar to slip-on flange when used with lap joint stub end |
| 3, Radius at intersection of flange face and bore to match lap joint stub end |
| Threaded |
| 1, Used where welding would would be hazardous |
| 2, Designed for low-pressure and non-cyclic applications |
| 3, Bore is threaded to match pipe thread |
| 4, Tapered to seal pipe and flanges |
| Socket welding |
| 1, For small-diameter chemical processes, hydraulic and stream distribution lines |
| 2, Similar to slip-on flange |
| 3, Counter bore matches pipe bore, allowing unrestricted flow |
| 4, Counter bore from hub side fits pipe’s outer diameter – can insert pipe in socket with fillet weld at hub |
| Blind |
| 1, Used to close ends of piping |
| 2, Has no bore |
| 3, Permits access to sealed lines |
| Other flanges |
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Orifice, Expander, Reducing, Lightweight, Studding Outlets, Long Weld Necks,Metric, Navy Drawings, Customer Drawings |
| Stainless Steel Pipe Flange |
| ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L |
| Carbon Steel Pipe Flange |
| ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52 |
| Low Temperature Pipe Flange |
| ASTM A350 LF2, LF3, LF6 |
| Alloy Steel Pipe Flange |
| ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 |
| Duplex & Super Duplex Steel Pipe Flange |
| ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61 |
| Nickel Alloy Pipe Flange |
| UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200) |
| High Yield Pipe Flanges |
| ASTM A694 F42, F52, F60, F65, F70 |
If you have any inquiries and questions, please contact CONTINENTAL STEEL CO.,LTD. at any time. Thanks in advance. Welcome!
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BLIND FLANGES Blind flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for blind flanges, the standard height is 1/16" for blind flanges under 400#. For blind flanges of 400# and up, the standard blind flange raised face height is 1/4". Material: Carbon, Alloy and Stainless Steel Standards: ASTM A105, ASTM A182 Sizes: 1/2'' to 24'', Customized up to 48'' Thickness: Schedule 10(S) to SCH 160 Pressure Ratings: Class 150 to 2500 Face Type: RF, RTJ |
SLIP-ON FLANGES Slip on pipe flanges are typically provided with a raised or flat face. When a raised face is necessary for slip on pipe flanges, the standard height is 1/16" for slip on pipe flanges under 400#. For slip on pipe flanges of 400# and up, the standard slip on pipe flange raised face height is 1/4". Standard: ASTM A105, ASTM A182 Material: Carbon Steel, Alloy Steel, Stainless Steel Size: 1/2'' to 24'', customized up to 60'' Pressure Ratings: Class 150 to Class 2500 Face Type: RF, RTJ |
WELD NECK FLANGES Weld neck pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for weld neck pipe flanges, the standard height is 1/16" for weld neck pipe flanges under 400#. For weld neck pipe flanges of 400# and up, the standard weld neck pipe flange raised face height is 1/4". Material: Carbon, Alloy and Stainless Steel Standards: ASTM A105, ASTM A182 Sizes: 1/2'' to 24'', Customized up to 48'' Thickness: Schedule 10(S) to SCH 160 Pressure Ratings: Class 150 to 2500 Face Type: RF, RTJ |
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LAP JOINT FLANGES Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 24". Sizes above 24" are produced as lap joints to slip on dimensions. Coastal Flange provides Lap Joint pipe flanges in all material grades, specifications and sizes. Carbon steel: ASTM A105, A350 LF2 Stainless steel: A182 F304/F304L/F316/F316L/F321 Alloy steel: ASTM A182, GR F1, F11, F22, F5, F9, F91 Outer Diameters: 1/2'' to 24'' Wall Thickness Schedule: SCH 10, SCH 40, SCH 160 |
THREADED FLANGES Threaded pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for threaded pipe flanges, the standard height is 1/16" for threaded pipe flanges under 400#. For threaded pipe flanges of 400# and up, the standard threaded pipe flange raised face height is 1/4". Standard: ASTM A105, ASTM A182 Material: Carbon Steel, Stainless Steel, Alloy Steel Size Range: 1/2'', 1'', 2'', 3'', 4'' to 24'' Pressure Class: Class 150 to 2500 Face: Raised face (RF), Ring type joint (RTJ) |
SOCKET WELD FLANGES Socket Weld pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for socket weld pipe flanges, the standard height is 1/16" for socket weld pipe flanges under 400#. For socket weld pipe flanges of 400# and up, the standard socket weld pipe flange raised face height is 1/4". Standard: Carbon steel ASTM A105, ASTM A350 LF1/2, ASTM A181 Alloy steel ASTM A182 F5, F9, F11, F22, F91 Stainless steel ASTM A182 F304/L, F316/L Outer Diameters: 1/2 inch to 24 inch, up to 2500# Special made: 24'' to 60'', up to 900# Wall Thickness: Schedule 40 to 160 Pressure Ratings: Class 150 to Class 2500 Face Type: RF, RTJ |
| Welding neck |
| 1, Preferred for high-pressure, subzero or elevated temperature |
| 2, Hub is tapered and bored to match pipe’s inside diameter so flow is not restricted, preventing turbulence and reducing erosion |
| 3, Easily radiographed and provides excellent stress distribution |
| Slip-on |
| 1, Not normally used in high-stress applications due to low hub and weld attachment |
| 2, Silps over outside of pipe |
| 3, Inside of flange welded at hub and end of pipe |
| Lap joint |
| 1, Used where bolt alignment or access for cleaning is required |
| 2, Similar to slip-on flange when used with lap joint stub end |
| 3, Radius at intersection of flange face and bore to match lap joint stub end |
| Threaded |
| 1, Used where welding would would be hazardous |
| 2, Designed for low-pressure and non-cyclic applications |
| 3, Bore is threaded to match pipe thread |
| 4, Tapered to seal pipe and flanges |
| Socket welding |
| 1, For small-diameter chemical processes, hydraulic and stream distribution lines |
| 2, Similar to slip-on flange |
| 3, Counter bore matches pipe bore, allowing unrestricted flow |
| 4, Counter bore from hub side fits pipe’s outer diameter – can insert pipe in socket with fillet weld at hub |
| Blind |
| 1, Used to close ends of piping |
| 2, Has no bore |
| 3, Permits access to sealed lines |
| Other flanges |
|
Orifice, Expander, Reducing, Lightweight, Studding Outlets, Long Weld Necks,Metric, Navy Drawings, Customer Drawings |
| Stainless Steel Pipe Flange |
| ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L |
| Carbon Steel Pipe Flange |
| ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52 |
| Low Temperature Pipe Flange |
| ASTM A350 LF2, LF3, LF6 |
| Alloy Steel Pipe Flange |
| ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 |
| Duplex & Super Duplex Steel Pipe Flange |
| ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61 |
| Nickel Alloy Pipe Flange |
| UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200) |
| High Yield Pipe Flanges |
| ASTM A694 F42, F52, F60, F65, F70 |
If you have any inquiries and questions, please contact CONTINENTAL STEEL CO.,LTD. at any time. Thanks in advance. Welcome!
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