| Flanges Types | Blind |
|---|---|
| Class | 150 Lbs, Pn 6, 300 Lbs, 10, 16, 600 Lbs, 25, 900 Lbs, 40, 64, 100, 1500 Lbs, 160, 2500 Lbs Asa 150, Asa 300 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Large Male Female (lmf), Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Tongue & Groove, Small Male Female (smf), Small Tongue, Groove |
Carbon Steel Blind Flanges Supplier in Qatar | Industrial Pipe Flanges ASTM A105
New Era Pipes & Fittings has established itself as a reliable Carbon Steel Blind Flanges Supplier in Qatar, providing Carbon Steel Blind Flanges that meet global standards and industrial specifications. Carbon Steel Blind Flanges are thick flanges that are used to seal the ends of pipes or vessel openings. Carbon Steel Blind Flanges are very important in the maintenance, inspection, and testing of pipelines. They are often utilized in industries such as the oil & gas sector, petrochemical plants, power generation plants, etc. Carbon Steel Blind Flanges are very sturdy.
Carbon Steel Blind Flanges are designed to meet various pressure ratings and sizes. Carbon Steel Blind Flanges are often ordered by contractors and engineering companies from B2B portals for large-scale projects, where sealing performance is critical in high-temperature and high-pressure applications.
Material & Grades of Carbon Steel Blind Flanges
| Material | Grade / Standard | Specification | Type | Applications |
|---|---|---|---|---|
| Carbon Steel | ASTM A105 | ASME B16.5 | Blind Flange | Oil & Gas Pipelines |
| Carbon Steel | ASTM A350 LF2 | ASME B16.5 | Low Temperature Blind Flange | Cryogenic Services |
| Carbon Steel | ASTM A694 F52 / F60 / F65 / F70 | ASME B16.5 | High Strength Blind Flange | Offshore & High Pressure Pipelines |
Chemical Composition (Example: ASTM A105 Blind Flange)
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤0.35 |
| Manganese (Mn) | 0.60 – 1.05 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.040 |
| Silicon (Si) | 0.10 – 0.35 |
| Iron (Fe) | Balance |
Mechanical Properties (Example: ASTM A105 Blind Flange)
| Property | Value |
|---|---|
| Tensile Strength | 485 MPa (Min) |
| Yield Strength | 250 MPa (Min) |
| Elongation | 22% (Min) |
| Hardness | ≤187 HB |
Equivalent Grade
| Standard | Grade |
|---|---|
| ASTM | A105 / A350 LF2 / A694 F52, F60, F65, F70 |
| ASME | SA105 / SA350 LF2 / SA694 |
| EN | C22.8 / P250GH |
| UNS | K03504 |
Key Features & Advantages
- Excellent Pressure Withstanding Capacity
- High Mechanical Strength
- Superior Weldability
- Leak-Proof End Closure
- Accurate Dimensional Tolerance
- Long Service Life
Type of Sub-products
Frequently Asked Questions
Are carbon steel blind flanges suitable for high pressure applications?
How do carbon steel blind flanges improve pipeline maintenance?
Countries We Export
Qatar
Cities We Supply
Doha
Industries We Serve
Sugar
Oil And Gas Industries
Paper Mill
Power Plant
Bridge And Building
Aerospace Industries
Automobile Industry
Electrical Industry
Defense Industry
Construction & Fabrications
Ring Man Units
Railways

Gasket Industry
Pharmaceuticals Industry
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