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Warranty: | 1 Years |
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product | High pressre thread/ socket weld forged pipe fittings |
Material | ASTM A105, ASTM A182( F304/304L, F316/316L) |
Range | ELBOW, TEE, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, OUT-LET, SWAGE NIPPLE, BULL PLUG, REDUCER, INSERT AND HEX NIPPLE, STREET ELBOW, BOSS, ETC. |
Contact type | Socket-weld, Screwed ( NPT/ BSP), Butt weld |
Dimension | ASME B 16.11, MSS-SP-79, 83, 95, 97, BS 3799-1974 |
Pressure | Screwed end:2000lb/3000lb/6000lb; Socket weld end:3000lb/6000lb/9000lb; |
Butt weld end | SCH40/SCH80/SCH160/XXS |
Place of origin | China |
Package | Plastic bag and Cartons then Pallet |
advantage | quick, safe |
Delivery | By sea, By air and By express |
Lead time | withinn 35-45 days after confiming the normal order |
Primary Standard: ASTM A105 (Carbon Steel Forgings for Piping Applications).
Complementary Standards:
ASME B16.9: Butt-Weld Fitting Dimensions and Tolerances.
NACE MR0175/ISO 15156: H2S Sour Service Compliance.
Parameter | Tolerance (ASME B16.9) |
---|---|
OD Tolerance | ±1.5 mm (≤24") / ±3 mm (>24") |
Wall Thickness Tolerance | ±12.5% (Minimum WT ≥87.5% Nominal) |
Center-to-End (90° Elbow) | ±1.5 mm (≤24") / ±3 mm (>24") |
High-Pressure Resistance: Withstands ≥10,000 PSI (Class 2500) due to forged construction.
Weldability: Controlled carbon content (C ≤0.35%) ensures compatibility with SMAW, GTAW, and SAW processes.
Interchangeability: Complies with ASME B16.9 for seamless integration with global piping systems.
Chemical Composition:
Element | ASTM A105 Requirement |
---|---|
C | ≤0.35% |
Mn | 0.60-1.05% |
P | ≤0.040% |
S | ≤0.050% |
Mechanical Properties:
Tensile Strength: ≥485 MPa
Yield Strength: ≥250 MPa
Hardness: ≤187 HB (Normalized Condition).
Oil & Gas: High-pressure pipeline directional changes, wellhead systems.
Power Plants: Steam lines, boiler feedwater circuits.
Chemical Processing: Acid/alkali transport with anticorrosion coatings.
Export Packaging: Anti-rust oil coating + waterproof wrapping for marine transport.
Certification: EN 10204-3.1 Mill Test Certificates + NDE Reports (UT/RT if required).
Class | Max Pressure at 38°C (Bar) | Max Temp (°C) |
---|---|---|
150 | 19.6 | 425 |
300 | 51.1 | 425 |
600 | 103.4 | 425 |
Normalizing: Heated to 900-925°C and air-cooled for uniform grain structure.
Optional Q&T (Quench & Temper): Enhances toughness for low-temperature/sour service.