Inconel 625 Bar For Chemical industry

2. Chemical Piping Standards: ASME B31.3 (Process Piping), ASME B31.4

3. Pressure Vessel Standards: ASME Section VIII Div.1, PED 2014/68/EU

4. Testing Standards: ASTM E8, ASTM E23, ASTM E10, ASTM G48, ASTM E1444, ASTM A388

5. Quality Management Standards: ISO 9001, ISO 14001, OHSAS 18001

2. International Designations: UNS N06625, W.Nr.2.4856, Alloy 625, NiCr22Mo9Nb

3. Equivalent Grades: NS3306 (China), Inconel 625 (USA), Nicrofer 6020 (Germany)

4. Special Grades: Forging grade for heavy components; LCF grade for high-cycle fatigue; ultra-low sulfur grade for maximum weldability

2. Chromium (Cr): 20.0-23.0 (for oxidation and oxidizing acid resistance)

3. Molybdenum (Mo): 8.0-10.0 (for reducing acid and pitting resistance)

4. Niobium + Tantalum (Nb+Ta): 3.15-4.15 (stabilizes against intergranular corrosion)

5. Iron (Fe): ≤5.0 (improves formability and cost-effectiveness)

6. Carbon (C): ≤0.010 (ultra-low content prevents intergranular corrosion)

7. Silicon (Si): ≤0.50

8. Manganese (Mn): ≤0.50

9. Phosphorus (P): ≤0.015

10. Sulfur (S): ≤0.010

1. Tensile Strength (RT): 760-930 MPa

2. 0.2% Yield Strength (RT): ≥415 MPa

3. Elongation (δ5): ≥45%

4. Reduction of Area: ≥55%

5. Hardness (HB): 180-230

Solution Treated and Aged State:

1. Tensile Strength (RT): 930-1100 MPa

2. 0.2% Yield Strength (RT): ≥760 MPa

3. Elongation (δ5): ≥30%

High-Temperature Properties:

1. Tensile Strength (600℃): ≥520 MPa

2. Creep Rupture Strength (650℃, 1000h): ≥170 MPa

3. Maximum Continuous Service Temperature: 650℃

2. Cold Drawn Bars: Ø6-30mm ±0.03mm; Ø30-80mm ±0.05mm; Ø80-150mm ±0.10mm

3. Precision Ground Bars: Ø6-100mm ±0.01mm

4. Rectangular/Square Bars: ±0.05mm (≤50mm); ±0.10mm (>50mm)

5. Length Tolerance: ±2mm (1-6m); custom lengths up to 12m available

6. Straightness Tolerance: ≤0.5mm/m (precision); ≤0.3mm/m (ultra-precision)

– Exceptional resistance to chloride-induced pitting, crevice corrosion and SCC, even at elevated temperatures

– Outperforms 316L stainless steel by 50+ times and Alloy 20 by 10+ times in high-chloride environments

– Immune to sulfide stress corrosion cracking (SSCC) in sour environments containing H2S and CO2

2. Superior High-Temperature Performance:

– Maintains excellent mechanical strength and corrosion resistance up to 650℃, ideal for high-temperature processes

– Forms a stable chromium oxide layer that resists oxidation and spalling during thermal cycling

– Excellent creep resistance for long-term operation at elevated temperatures and pressures

3. No Post-Weld Heat Treatment Required:

– Niobium stabilization eliminates carbide precipitation in weld heat-affected zones

– Retains 100% corrosion resistance after welding without post-weld heat treatment

– Reduces fabrication costs by 30-40% and shortens project timelines significantly

4. Excellent Fabricability and Machinability:

– Outstanding hot forgeability allows production of complex shapes such as pump impellers and valve bodies

– Good machinability compared to other high-nickel alloys, reducing tool wear and machining time

– Compatible with all conventional welding processes used in chemical plant construction

5. Broad Chemical Compatibility:

– Excellent resistance to oxidizing and reducing acids, alkaline solutions, salts and organic solvents

– Resists corrosion from seawater, brine solutions and marine atmospheres

– Suitable for multi-chemical process environments with varying operating conditions

– Applications: Pump shafts, valve bodies, impellers, agitator shafts, fasteners, flanges and heat exchanger tube sheets

– Customers: ExxonMobil, Shell, BP, Chevron, TotalEnergies, Saudi Aramco, Sinopec

2. Chlor-Alkali and Chlorine Processing Industry:

– Applications: Electrolyzer components, pump parts, valve stems, agitators, fasteners and structural parts

– Customers: Dow Chemical, Olin Corporation, Westlake Chemical, Shin-Etsu Chemical, Solvay, BASF

3. Pharmaceutical and Fine Chemical Industry:

– Applications: Reactor agitators, valve components, pump shafts, mixing blades, fasteners and process equipment parts

– Customers: Pfizer, Novartis, Merck, Roche, Johnson & Johnson, AstraZeneca

4. Seawater Desalination and Marine Chemical Industry:

– Applications: Seawater pump components, valve parts, heat exchanger tube sheets, fasteners and structural parts

– Customers: Siemens Energy, GE Power, DuPont Water Solutions, Veolia, SUEZ

5. Environmental Protection Industry:

– Applications: Flue gas desulfurization components, scrubber internals, wastewater treatment equipment parts and fasteners

– Customers: Mitsubishi Heavy Industries, Babcock & Wilcox, Ecolab, Xylem

6. Fertilizer and Agrochemical Industry:

– Applications: Phosphoric acid plant components, pump shafts, valve bodies, agitators, fasteners and structural parts

– Customers: Yara International, Nutrien, Mosaic, CF Industries, OCP Group, Sinochem

– Chloride Corrosion Resistance: Must resist pitting, crevice corrosion and SCC in high-chloride environments

– Sulfide Corrosion Resistance: Must withstand SSCC in sour oil and gas environments

– High-Temperature Strength: Must maintain sufficient strength at operating temperatures up to 650℃

– Intergranular Corrosion Resistance: Must resist intergranular corrosion after welding

– Forgeability: Must be forgeable into complex shapes without cracking or defects

2. Quality and Compliance Requirements:

– Material Standard Compliance: Must meet all requirements of ASTM B446 and ASME SB446

– ASME B31.3 Compliance: Must comply with process piping code for chemical plant construction

– Full Traceability: Must provide 100% traceability from raw material ore to finished product

– Material Certification: Must provide comprehensive MTRs including chemical analysis and NDT results

– Third-Party Inspection: Must allow inspection by TÜV, SGS, BV or other authorized organizations

3. Manufacturing Requirements:

– Precision Dimensional Tolerances: Must meet tight tolerances for proper fit and assembly of components

– Surface Quality: Must have a smooth, defect-free surface to prevent corrosion initiation

– Internal Quality: Must be free from inclusions, porosity and segregation (100% UT verified)

– Consistent Quality: Must have uniform chemical composition across all batches

– Machinability: Must be easily machinable using conventional CNC equipment

4. Supply Chain Requirements:

– Reliable Delivery: Must meet tight project schedules and plant turnaround deadlines

– Emergency Response: Must provide expedited production for unplanned shutdowns

– Small Batch Capability: Must produce small quantities for prototype development and maintenance

– Global Supply Capability: Must deliver to chemical plants worldwide with consistent quality

– Inventory Management: Must offer stock holding solutions to reduce customer inventory costs

5. Cost Requirements:

– Competitive Pricing: Must offer fair pricing while maintaining the highest quality standards

– Low Total Cost of Ownership: Must provide long service life and reduced maintenance costs

– Value-Added Services: Must offer cutting, turning, milling and heat treatment services

2. Inconel 625 Square/Rectangular Bars: Custom sizes for structural applications and machine components

3. Inconel 625 Hexagonal Bars: Used for manufacturing nuts, bolts, screws and other threaded fasteners

4. Inconel 625 Forgings: Custom forgings including pump bodies, valve casings, flanges and impellers

5. Inconel 625 Fasteners: Bolts, nuts, screws, studs and washers for severe corrosion service

6. Inconel 625 Welding Materials: Electrodes, wires and filler metals for chemical industry welding

7. Inconel 625 Machined Components: Precision-machined shafts, pins, valves and pump parts

8. Inconel 625 Sheets and Plates: Used for manufacturing tanks, vessels and heat exchangers

9. Inconel 625 Pipes and Tubes: Used for chemical process piping and heat exchangers

10. Custom Fabricated Assemblies: Pre-fabricated pump and valve components

2. Dedicated Chemical Grade Production Line: We operate a dedicated clean production line for Inconel 625 bars, ensuring strict control over chemical composition

3. Full-Process Quality Control: We implement comprehensive quality control including 100% ultrasonic and magnetic particle testing

4. Complete International Certifications: Our products meet all major international standards and hold ASTM, ASME, PED and ISO 9001 certifications

5. Advanced Customization Capability: We can produce custom sizes, lengths, tempers and surface finishes according to your drawings

6. Global Chemical Supply Chain Experience: We have extensive experience supplying to major chemical companies worldwide with reliable on-time delivery

7. Professional Technical Support: Our team of metallurgical engineers and corrosion specialists provides expert guidance on material selection

8. One-Stop Solution: We provide complete solutions from raw material supply to precision machining, reducing your supply chain complexity

2. Full Material Traceability: Every bar has a unique heat number and complete traceability documentation from raw material to finished product

3. Value-Added Processing: We offer precision cutting, CNC turning, milling, grinding and heat treatment services

4. Prototype Development Support: We support small batch prototype orders with fast turnaround times

5. Emergency Response Service: We provide 24/7 emergency service for unplanned plant shutdowns with expedited shipping

6. Market Growth: The global Inconel 625 bar market for chemical industry is projected to grow at a CAGR of over 6% through 2030, driven by increasing demand from petrochemical and environmental protection industries

7. Sustainability Commitment: All our products are manufactured using sustainable practices and are 100% recyclable

2. Waterproof Film: Each bar is individually wrapped in waterproof and anti-corrosion film

3. Bundle Packing: Bars of the same size are bundled with steel straps and wooden spacers to prevent contact damage

4. Wooden Case: Bundles are packed in sturdy fumigated wooden cases with steel reinforcement for international shipping

5. Export Standard Packing: All packaging complies with international export standards and ISPM 15 regulations

6. Marking: Each package is clearly marked with product specifications, heat number, quantity and destination