Ring joint gasket is machined from solid metal in a variety of shapes according to API 6A & ASME B16.20 standards,it's designed for high pressure ,high temperature or highly corrosive applications by selecting the most suitable material and shape. It is designed to with stand exceptionally high assembly loads over a small area, thus producing high seating stresses
size | Outside diameter:20-300mm;Inside diameter :10-290mm |
Thickness | 0.5-40mm |
Temperture | High Temperature Mechanical Seal |
Standard | PI-6A,ASME B 16.20, ASME B 16.5, BS1560,BS EN 1092, DIN, JIS, and NF, etc |
pressure | 2000-20000 |
Material | Soft Iron, Low Carbon Steel, F5 Alloy Steel, |
Temperature | -400ºC to 1000ºC |
Technics | Forged |
Certification | ISO ,Ts, CE, RoHS, ISO 9001:2000, ISO 9001:2008, SGS |
Transport Package | Wooden Case, Plywood Case, Carton, Pallet |
type | Oval type, Octagonal type |


Rydmet Standard Carbide Grade Chart for Wear Parts, Components | ||||||
Grade Code | Binder Content & Type | Hardness (Ra) | Hardness | Density (g/cm3) | Transverse Rupture Strength (TRS) | Grain Size |
(HV30) | ||||||
RD06X | 6% Co | 91.5 | 1530 | 14.95 | 2,300 | Fine |
RD08X | 8% Co | 90.8 | 1450 | 14.75 | 2,500 | Fine |
RD15X | 15% Co | 88.9 | 1250 | 13.9 | 2,700 | Fine |
RD06M | 6% Co | 90.3 | 1380 | 14.95 | 2500 | Medium |
RD08M | 8% Co | 89.5 | 1300 | 14.75 | 2600 | Medium |
RD011M | 11% Co | 89.2 | 1270 | 14.3 | 2,650 | Medium |
RD015M | 15% Co | 87 | 1070 | 14.0 | 2,650 | Medium |
RD06S | 6% Co | 93 | 1790 | 14.95 | 2,600 | Submicron |
RD10S | 10% Co | 91.8 | 1580 | 14.45 | 2,650 | Submicron |
RD10C | 10% Co | 88 | 1160 | 14.5 | 2,700 | Coarse |
FC11C | 11% Co | 87.5 | 1110 | 14.45 | 2,800 | Coarse |
RD06N | 6% Ni | 90 | 1350 | 14.9 | 1,800 | Medium |
RD08N | 8% Ni | 88.5 | 1700 | 14.7 | 1,900 | Medium |
RD10N | 10% Ni | 88 | 1160 | 14.5 | 1,930 | Medium |
RD12N | 12% Ni | 87.5 | 1110 | 14.1 | 1,950 | Medium |
RD06N2 | 6% Ni+Cr | 89 | 1250 | 14.2-14.9 | 1,600 | Medium |
RD08N2 | 8% Ni+Cr | 88.5 | 1210 | 14.0-14.8 | 1,700 | Medium |
RD06UF | 6% Co | 94 | 2010 | 14.9 | 3,800 | Ultra-fine |












1.How many countries you already expeorted?
--We exported stainless steel pipes to more than 30 countries mainly from Egypt,Turkey,India,Iran,Dubai,Thailand,Philippine
2.What is our product range?
--Based on our stainless steel seamless pipe factory, We supply the ONE-STOP service fittings,flanges, valves etc.
3.what is your delivery time?
-- It depends on the demanded quantities and your location,nearly in 15-50days.Also seamless pipes /welded pipes need more time than other pipe fittings.
4. Can you provide OEM service?
--Yes. Welcom to contact us for more details discuss.
5. Can we visit your factory?
--Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
