316 Chemical Pipe Flange Castings
316 Stainless Steel Chemical Pipe Flange Castings
Product Overview
Manufactured from premium ZG03Cr17Ni14Mo2 (CF-3M) material, our 316 stainless steel flanges are designed for corrosive chemical pipelines, compliant with ASTM A351 and EN 10213 standards.
Material Grades (Global Standards)
|
China GB |
ASTM |
EN |
JIS |
Characteristics |
|
ZG03Cr17Ni14Mo2 |
CF-3M |
1.4409 |
SCS16A |
Low-carbon IGC resistant |
|
ZG03Cr17Ni12Mo2N |
CF-8M |
1.4408 |
SCS13A |
Nitrogen-strengthened |
|
ZG03Cr17Ni14Mo2Cu2 |
- |
1.4409 |
- |
Acid-resistant |
Key Features
Superior Corrosion Resistance
PREN ≥35 (PREN=%Cr + 3.3×%Mo + 16×%N)
Passes ASTM A262 Method E (IGC test)
Resists SCC (Cl⁻≤20000ppm)
Precision Casting
Dimensional accuracy CT7-8
Min. wall thickness 10mm
Seal face finish Ra≤3.2μm (electropolishable to Ra≤0.8μm)
Special Treatments
Solution annealing (1050℃ WQ)
Stellite overlay on sealing faces
Anti-coking coating (optional)
Technical Parameters
Size range: DN15-DN800
Pressure rating: PN10-PN100 (ANSI 150#-600#)
Temperature: -20℃~400℃
Media: Sulfuric acid, HCl, NaOH, organic acids
Applications
✓ Petrochemical pipelines
✓ Pharmaceutical high-pressure flanges
✓ Electroplating acid transfer systems
✓ Chemical reactor connections
✓ Food-grade acid/alkali lines
Quality Control
Material Tests:
✓ OES analysis (Mo≥2.5%)
✓ Ferrite content (FN3-8)
NDT:
✓ PT (ASTM E165)
✓ UT thickness measurement
Performance Tests:
✓ Salt spray test (5000hrs)
✓ Hydrostatic test (1.5x design pressure)
Certifications
✓ PED 2014/68/EU
✓ ASME B16.5/B16.47
✓ NACE MR0175/ISO 15156
✓ FDA Compliance
Note:
Non-standard sizes available
Full material traceability
Emergency delivery service
Technical documentation package
FAQ
Q: Can you develop new parts based on client needs?
Q: What information do I need to provide for a custom part?
Q: Do you accept OEM or ODM projects?
Q: Can you replicate existing parts from samples?
Q: What's your approach to quality assurance?
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