ASTM A181 Class 60 Flanges


ASME SA181 CL 70 Blind Flanges

A181 Class 60 Slip On Flanges

SA181 Class 70 Weld Neck Flange
Table of Content
- ASTM A181 Material Specification
- ASTM A181 Class 60 Equivalent
- Two Types Of ASTM A181 Flanges
- Types Of ASME SA181 Pipe Flanges
- ASTM A181 Forged Flanges Chemical Requirements
- Tensile Requirements Of A181 Reducing Flange
- ASTM A181 Class 60 Mechanical Properties
- ASTM A181 Class 70 Mechanical Properties
- Maximum Weight Of ASTM A181 RF Slip On Flange
- ASTM A181 Class 60 and 70 Working Pressure
Check ASME SA181 CL 70 Forgings Specification
ASTM A181 Material Specification
A181 Class 60 Blind Flange manufacturer in India offer MTC with Each Delivery, View Equivalent
| Class | Section Thickness Less Than or Equal to 2 in. (Max.) | Section Thickness Greater Than 2 in. (Max.) |
|---|---|---|
| A181 Class 60 | 0.45 | 0.46 |
| A181 Class 70 | 0.47 | 0.48 |
Two Types Of ASTM A181 Flanges
- Class 60
- Class 70
Deliver SA181 Class 70 Forged Flange in Most Selling Type Like Lap Joint, Plate, Reducing and Thickness Ranging From SCH 20 To 180
Types Of ASME SA181 Pipe Flanges

ASTM A181 Class 60 socket weld flange

ASTM A181 Class 70 lap joint flange

A181 Class 60 plate flanges

A181 Class 70 long neck flanges

ASME SA181 Class 60 threaded flange

Carbon Steel Class 60 orifice flange
Buy ASME SA181 Class 60 Slip On and Threaded Flange Online in Customized Size, View ASTM A181 Carbon Steel Forgings Chemical Requirements
ASTM A181 Forged Flanges Chemical Requirements
Check A181 Carbon Steel Class 70 Weld Neck Flange Tensile Requirements, and Mechanical Properties
Tensile Requirements Of A181 Reducing Flange
| Tensile Strength | KSI | MPa |
|---|---|---|
| Class 60 | 60 | 415 |
| Class 70 | 70 | 485 |
ASTM A181 Class 60 Mechanical Properties
| Yield Strength KSI | Yield Strength MPa | Elongation in 2 in. [50 mm] | Reduction of area |
|---|---|---|---|
| 30 | 205 | 22% (min) | 35% (min) |
ASTM A181 Class 70 Mechanical Properties
| Yield Strength KSI | Yield Strength MPa | Elongation in 2 in. [50 mm] | Reduction of area |
|---|---|---|---|
| 36 | 205 | 18% (min) | 24% (min) |
Maximum Weight Of ASTM A181 RF Slip On Flange
- 4540 KG (10,000 LB)
ASTM A181 Class 60 and 70 Working Pressure
| Temperature | PN20 |
|---|---|
| -29 to 38 ºC | 1960 |
| 50 ºC | 1920 |
| 100ºC | 1770 |
| 150ºC | 1580 |
| 200ºC | 1400 |
| 250ºC | 1210 |
| 300ºC | 1020 |
| 350ºC | 840 |
| 400ºC | 650 |
| 450ºC | 470 |
| 500ºC | 280 |
| Temperature | PN50 |
| -29 to 38 ºC | 5110 |
| 50 ºC | 5010 |
| 100ºC | 4640 |
| 150ºC | 4520 |
| 200ºC | 4380 |
| 250ºC | 4170 |
| 300ºC | 3870 |
| 350ºC | 3700 |
| 400ºC | 3450 |
| 450ºC | 2000 |
| 500ºC | 880 |
| Temperature | PN100 |
|---|---|
| -29 to 38 ºC | 10210 |
| 50 ºC | 10020 |
| 100ºC | 9280 |
| 150ºC | 9050 |
| 200ºC | 8760 |
| 250ºC | 8340 |
| 300ºC | 7750 |
| 350ºC | 7390 |
| 400ºC | 6900 |
| 450ºC | 4010 |
| 500ºC | 1760 |
| Temperature | PN150 |
|---|---|
| -29 to 38 ºC | 15320 |
| 50 ºC | 15020 |
| 100ºC | 13910 |
| 150ºC | 13570 |
| 200ºC | 13150 |
| 250ºC | 12520 |
| 300ºC | 11620 |
| 350ºC | 11090 |
| 400ºC | 10350 |
| 450ºC | 6010 |
| 500ºC | 2640 |
| Temperature | PN250 |
|---|---|
| -29 to 38 ºC | 25530 |
| 50 ºC | 25040 |
| 100ºC | 23190 |
| 150ºC | 22610 |
| 200ºC | 21910 |
| 250ºC | 20860 |
| 300ºC | 19370 |
| 350ºC | 18480 |
| 400ºC | 17250 |
| 450ºC | 10020 |
| 500ºC | 4400 |
| Temperature | PN420 |
|---|---|
| -29 to 38 ºC | 42550 |
| 50 ºC | 41730 |
| 100ºC | 38650 |
| 150ºC | 37690 |
| 200ºC | 36520 |
| 250ºC | 34770 |
| 300ºC | 32280 |
| 350ºC | 30800 |
| 400ºC | 28750 |
| 450ºC | 16690 |
| 500ºC | 7330 |
Top 8 Reasons to Choose Ramesh Group for High Pressure Applications

- ADNOC approved manufacturer and supplier of seamless fittings and forged steel flanges
- Supply industrial steel piping products in Europe as per CBAM requirements
- Exporter of high performance weld fittings suitable for corrosion resistant environment
- Distributor of butt welding fittings for Marine application as per MTC EN 10204 3.1/ 3.2
- All pipe flange comes with NACE MR0175 and pressure class 150 to 2500 as per ASME B16.5.
- Over 250 Fabricators and traders in Middle East and European countries import prime quality BLRF, SORF and WNRF flanges because our material is accepted in Abu Dhabi National Oil Company
- Supplying SMLS elbow, tee, reducer and end cap to Stockist and wholesaler of piping materials in Saudi Arabia at Resale price as per ASME B16.9.
- Keep custom sizes Ex stock of standard sizes with stockholders in USA and Mexico for urgent requirements in replacement situations























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