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Corrosion Resistant High Pressure CNC Machined Circular Parts with Dimensional Accuracy for Oil, Gas & Chemical Industries

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Corrosion Resistant High Pressure CNC Machined Circular Parts with Dimensional Accuracy for Oil, Gas & Chemical Industries

MOQ:	1000szt
Ceny:	$0.5-2
standardowe opakowanie:	drewniana skrzynka
Okres dostawy:	30 dni
metoda płatności:	D/A, D/P, T/T
Pojemność dostaw:	10000 sztuk / miesiąc

Szczegóły Informacje

Opis produktu

Szczegółowe informacje

Miejsce pochodzenia

Qingdao, Chiny

Nazwa handlowa

Qingdao Sande Tech Co.,Ltd

Orzecznictwo

ISO, DIN, AISI, ASTM, BS, JIS, etc.

Numer modelu

OEM

Zgodność:

Statki morskie

Typ przetwarzania:

toczenie i frezowanie cnc

Pojemność:

10 000 miejsc miesięcznie

Stopień:

4.8

Aplikacje:

Nadaje się do różnych branż

Kontrola:

100% kontrola wymiarowa i kontrola jakości

Data dostawy:

45-60 dni

Stosowanie:

Przemysłowy

Opis produktu

OEM CNC Circular Parts – Oil, Gas & Chemical Industry

Product Overview

Our OEM Custom CNC Machined Circular Parts are precision-engineered components designed specifically for demanding applications in the petroleum, natural gas, and chemical processing industries. Manufactured using advanced CNC turning and machining centers, these circular parts deliver exceptional dimensional accuracy, surface finish, and mechanical performance under extreme operating conditions including high pressure, high temperature, and corrosive environments.

Typical Circular Part Types

Part Category	Examples
Rings	Precision retaining rings, sealing rings, snap rings, spacer rings
Discs	Round cover plates, blind discs, orifice plates, valve discs
Bushings	Cylindrical bushings, sleeves, wear bushings, guide bushings
Flanges	Circular flanges, adapter flanges, blind flanges
Collars	Shaft collars, locking collars, stop collars
Housings	Circular housings, end caps, circular covers
Seats	Valve seats, ball valve seats, ring seats
Impellers	Closed impellers, semi-open impellers (circular type)

Materials Available

We offer a wide range of materials suitable for sour service, high-pressure, and corrosive media environments:

Material Category	Grades / Specifications
Stainless Steel	304, 304L, 316, 316L, 321, 347, 17-4PH, 15-5PH
Duplex / Super Duplex	2205 (F51), 2507 (F53), 2304
Nickel Alloys	Inconel 625, Inconel 718, Monel 400, Monel K500
Hastelloy	Hastelloy C276, C22, B2
Titanium	Grade 2, Grade 5 (Ti-6Al-4V)
Carbon / Alloy Steel	A105, A350 LF2, 4140, 4340, 8620
Copper Alloys	Bronze, Brass, Aluminum Bronze

Industry Applications

Petroleum Industry

Downhole tools (drill collars, stabilizers, crossovers)
Wellhead equipment (casing hangers, tubing heads)
Mud pump components (pistons, valve seats, liners)
Rotary system parts (bushings, swivels)
Blowout preventer (BOP) components

Natural Gas Industry

Gas compressor components (valve plates, piston rings)
Pipeline fittings (orifice plates, blind discs)
LNG processing equipment (sealing rings, flanges)
Gas metering and regulation parts

Chemical & Petrochemical Industry

Chemical reactor components (agitator shafts, baffle rings)
Heat exchanger parts (tube sheets, baffle plates)
Pump and valve components (impellers, valve seats, stems)
Mixer and agitator parts (dispersion discs, rotor rings)
Corrosion-resistant pipe fittings

Customization Options

Option	Details
Dimensions	Any custom size based on 2D drawing or 3D model (STEP/IGS)
Tolerances	Standard or tighter as specified
Materials	Customer-specified or recommended based on application
Heat Treatment	Annealing, solution annealing, age hardening, stress relieving
Surface Coating	PTFE / Teflon coating, Electroless nickel plating, Zinc plating, Anodizing (aluminum)
Marking	Laser engraving, dot peen (material, heat number, part number)
Packaging	Standard export cartons, wooden cases, anti-rust oil + bubble wrap, or custom

Why Choose Us?

✅ 10+ years experience in CNC machining for oil, gas & chemical industries
✅ API / NACE / ISO compliant manufacturing processes
✅ Full in-house capability - CNC turning, milling, grinding, inspection
✅ Wide material range including corrosion-resistant superalloys
✅ Competitive pricing with high-quality standards
✅ On-time delivery with complete documentation
✅ Technical support for design optimization

Frequently Asked Questions

General Questions

Q1: What types of circular parts can you manufacture?

A: We manufacture a wide range of circular components including:

Precision rings (retaining, sealing, snap, spacer)
Discs (blind discs, orifice plates, valve discs, cover plates)
Bushings & sleeves (cylindrical, wear, guide)
Circular flanges & adapter flanges
Shaft collars & locking collars
Valve seats & ring seats
Circular housings & end caps

Any custom circular part based on your drawing or sample.

Q2: What materials do you offer for oil, gas & chemical applications?

A: We offer corrosion-resistant and high-strength materials suitable for harsh environments:

Stainless Steel: 304/316/316L, 17-4PH, 321, 347
Duplex / Super Duplex: 2205 (F51), 2507 (F53)
Nickel Alloys: Inconel 625/718, Monel 400/K500
Hastelloy: C276, C22
Titanium: Grade 2, Grade 5 (Ti-6Al-4V)
Carbon/Alloy Steel: A105, 4140, 4340 (with anti-corrosion coating)

Q3: What is your typical tolerance capability?

A: Our standard tolerance is ±0.01mm (±0.0004″). For critical dimensions, we can achieve ±0.005mm (±0.0002″) depending on part geometry and material.

Q4: What is the maximum diameter you can machine?

A: Our CNC turning capacity covers OD from 5mm to 800mm (0.2″ to 31.5″). For larger diameters, please contact us for special solutions.

Customization & OEM

Q5: Do you offer OEM custom parts?

A: Yes, we are an OEM manufacturer. We produce parts strictly according to customer drawings, specifications, or physical samples. We do not stock standard finished parts -- everything is made-to-order.

Q6: What file formats do you accept for drawings?

A: We accept:

2D Drawings: PDF, DWG, DXF
3D Models: STEP, STP, IGS, X_T, SLDPRT
Physical samples (for reverse engineering)

Q7: Can you help with material selection?

A: Yes. If you are unsure which material is best for your application (e.g., sour service, high temperature, seawater), our engineering team will recommend the most suitable material based on your operating conditions.

Q8: Do you provide samples before mass production?

A: Yes. We offer prototype/sample development for customer approval before moving to full production. Sample lead time is typically 15-30 days.

Quality & Compliance

Q9: What quality standards do you comply with?

A: We comply with:

API 6A / 7K / 17D (oil & gas equipment)
ASME B16.5 / B16.47 (flange dimensions)
NACE MR0175 / ISO 15156 (sour service / H₂S resistant)
ISO 9001:2015 (quality management)
IATF 16949 (available upon request)

Q10: Do you provide material traceability?

A: Yes. Full material traceability is provided from mill certificate to finished part. Each part can be marked with heat number and material grade for complete traceability.

Q11: What inspections do you perform?

A: Our standard inspection package includes:

100% dimensional inspection (CMM / calipers / micrometers)
PMI (Positive Material Identification)
Hardness testing
Visual & surface finish inspection

Additional inspections available upon request:

Tensile / impact testing
Hydrostatic / pneumatic pressure testing
NDT: Ultrasonic, Dye penetrant, Magnetic particle
X-ray inspection

Q12: Are your parts suitable for sour service (H₂S environment)?

A: Yes. We manufacture parts compliant with NACE MR0175 / ISO 15156 for sour service applications. We use appropriate materials (e.g., 316L, Inconel, Hastelloy) and follow strict hardness control requirements.

Production & Lead Time

Q13: What is your typical lead time?

Prototype / Sample: 15-30 days
Small batch (≤1000 pcs): 30-45 days
Mass production (5000-10000+ pcs): 60-90 days

Lead time depends on part complexity, material availability, and quantity.

Q14: What is your minimum order quantity (MOQ)?

A: Production: 1000 pieces (flexible depending on part size and complexity). For very large or very small parts, MOQ can be negotiated.

Q15: Do you offer heat treatment and surface finishing?

A: Yes. We offer in-house or partnered services for:

Heat treatment: Annealing, solution annealing, age hardening, stress relieving
Surface finishing: Polishing, deburring, passivation
Coatings: PTFE/Teflon, electroless nickel plating, zinc plating, anodizing (for aluminum), anti-corrosion painting

Order & Shipping

Q16: How do I request a quote?

A: Please send us:

Drawing (PDF/DWG/STEP) or clear photos with dimensions
Material specification (if known)
Quantity required
Any special requirements (tolerance, surface finish, coating, inspection)

We will reply within 24 hours with technical feedback and quotation.

Q17: What payment terms do you accept?

A: Typical payment terms:

30% deposit by T/T (bank transfer)
70% balance before shipment or against copy of Bill of Lading
L/C at sight for larger orders
Other terms negotiable

Q18: How do you package the parts for shipment?

A: Standard packaging includes:

Anti-rust oil coating (for steel parts)
Bubble wrap / foam protection
Sealed plastic bag
Strong export carton or wooden case
Labeling with part number and quantity

Custom packaging is available upon request.

Tagi:

Części do obróbki CNC,

usługi obróbki cnc,

Części obrabiane CNC

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Corrosion Resistant High Pressure CNC Machined Circular Parts with Dimensional Accuracy for Oil, Gas & Chemical Industries

MOQ:	1000szt
Ceny:	$0.5-2
standardowe opakowanie:	drewniana skrzynka
Okres dostawy:	30 dni
metoda płatności:	D/A, D/P, T/T
Pojemność dostaw:	10000 sztuk / miesiąc

Szczegółowe informacje

Opis produktu

Szczegółowe informacje

Miejsce pochodzenia

Qingdao, Chiny

Nazwa handlowa

Qingdao Sande Tech Co.,Ltd

Orzecznictwo

ISO, DIN, AISI, ASTM, BS, JIS, etc.

Numer modelu

OEM

Zgodność:

Statki morskie

Typ przetwarzania:

toczenie i frezowanie cnc

Pojemność:

10 000 miejsc miesięcznie

Stopień:

4.8

Aplikacje:

Nadaje się do różnych branż

Kontrola:

100% kontrola wymiarowa i kontrola jakości

Data dostawy:

45-60 dni

Stosowanie:

Przemysłowy

Minimalne zamówienie:

1000szt

Cena:

$0.5-2

Szczegóły pakowania:

drewniana skrzynka

Czas dostawy:

30 dni

Zasady płatności:

D/A, D/P, T/T

Możliwość Supply:

10000 sztuk / miesiąc

Opis produktu

OEM CNC Circular Parts – Oil, Gas & Chemical Industry

Product Overview

Typical Circular Part Types

Part Category	Examples
Rings	Precision retaining rings, sealing rings, snap rings, spacer rings
Discs	Round cover plates, blind discs, orifice plates, valve discs
Bushings	Cylindrical bushings, sleeves, wear bushings, guide bushings
Flanges	Circular flanges, adapter flanges, blind flanges
Collars	Shaft collars, locking collars, stop collars
Housings	Circular housings, end caps, circular covers
Seats	Valve seats, ball valve seats, ring seats
Impellers	Closed impellers, semi-open impellers (circular type)

Materials Available

We offer a wide range of materials suitable for sour service, high-pressure, and corrosive media environments:

Material Category	Grades / Specifications
Stainless Steel	304, 304L, 316, 316L, 321, 347, 17-4PH, 15-5PH
Duplex / Super Duplex	2205 (F51), 2507 (F53), 2304
Nickel Alloys	Inconel 625, Inconel 718, Monel 400, Monel K500
Hastelloy	Hastelloy C276, C22, B2
Titanium	Grade 2, Grade 5 (Ti-6Al-4V)
Carbon / Alloy Steel	A105, A350 LF2, 4140, 4340, 8620
Copper Alloys	Bronze, Brass, Aluminum Bronze

Industry Applications

Petroleum Industry

Downhole tools (drill collars, stabilizers, crossovers)
Wellhead equipment (casing hangers, tubing heads)
Mud pump components (pistons, valve seats, liners)
Rotary system parts (bushings, swivels)
Blowout preventer (BOP) components

Natural Gas Industry

Gas compressor components (valve plates, piston rings)
Pipeline fittings (orifice plates, blind discs)
LNG processing equipment (sealing rings, flanges)
Gas metering and regulation parts

Chemical & Petrochemical Industry

Chemical reactor components (agitator shafts, baffle rings)
Heat exchanger parts (tube sheets, baffle plates)
Pump and valve components (impellers, valve seats, stems)
Mixer and agitator parts (dispersion discs, rotor rings)
Corrosion-resistant pipe fittings

Customization Options

Option	Details
Dimensions	Any custom size based on 2D drawing or 3D model (STEP/IGS)
Tolerances	Standard or tighter as specified
Materials	Customer-specified or recommended based on application
Heat Treatment	Annealing, solution annealing, age hardening, stress relieving
Surface Coating	PTFE / Teflon coating, Electroless nickel plating, Zinc plating, Anodizing (aluminum)
Marking	Laser engraving, dot peen (material, heat number, part number)
Packaging	Standard export cartons, wooden cases, anti-rust oil + bubble wrap, or custom

Why Choose Us?

✅ 10+ years experience in CNC machining for oil, gas & chemical industries
✅ API / NACE / ISO compliant manufacturing processes
✅ Full in-house capability - CNC turning, milling, grinding, inspection
✅ Wide material range including corrosion-resistant superalloys
✅ Competitive pricing with high-quality standards
✅ On-time delivery with complete documentation
✅ Technical support for design optimization

Frequently Asked Questions

General Questions

Q1: What types of circular parts can you manufacture?

A: We manufacture a wide range of circular components including:

Precision rings (retaining, sealing, snap, spacer)
Discs (blind discs, orifice plates, valve discs, cover plates)
Bushings & sleeves (cylindrical, wear, guide)
Circular flanges & adapter flanges
Shaft collars & locking collars
Valve seats & ring seats
Circular housings & end caps

Any custom circular part based on your drawing or sample.

Q2: What materials do you offer for oil, gas & chemical applications?

A: We offer corrosion-resistant and high-strength materials suitable for harsh environments:

Stainless Steel: 304/316/316L, 17-4PH, 321, 347
Duplex / Super Duplex: 2205 (F51), 2507 (F53)
Nickel Alloys: Inconel 625/718, Monel 400/K500
Hastelloy: C276, C22
Titanium: Grade 2, Grade 5 (Ti-6Al-4V)
Carbon/Alloy Steel: A105, 4140, 4340 (with anti-corrosion coating)

Q3: What is your typical tolerance capability?

A: Our standard tolerance is ±0.01mm (±0.0004″). For critical dimensions, we can achieve ±0.005mm (±0.0002″) depending on part geometry and material.

Q4: What is the maximum diameter you can machine?

A: Our CNC turning capacity covers OD from 5mm to 800mm (0.2″ to 31.5″). For larger diameters, please contact us for special solutions.

Customization & OEM

Q5: Do you offer OEM custom parts?

Q6: What file formats do you accept for drawings?

A: We accept:

2D Drawings: PDF, DWG, DXF
3D Models: STEP, STP, IGS, X_T, SLDPRT
Physical samples (for reverse engineering)

Q7: Can you help with material selection?

Q8: Do you provide samples before mass production?

A: Yes. We offer prototype/sample development for customer approval before moving to full production. Sample lead time is typically 15-30 days.

Quality & Compliance

Q9: What quality standards do you comply with?

A: We comply with:

API 6A / 7K / 17D (oil & gas equipment)
ASME B16.5 / B16.47 (flange dimensions)
NACE MR0175 / ISO 15156 (sour service / H₂S resistant)
ISO 9001:2015 (quality management)
IATF 16949 (available upon request)

Q10: Do you provide material traceability?

A: Yes. Full material traceability is provided from mill certificate to finished part. Each part can be marked with heat number and material grade for complete traceability.

Q11: What inspections do you perform?

A: Our standard inspection package includes:

100% dimensional inspection (CMM / calipers / micrometers)
PMI (Positive Material Identification)
Hardness testing
Visual & surface finish inspection

Additional inspections available upon request:

Tensile / impact testing
Hydrostatic / pneumatic pressure testing
NDT: Ultrasonic, Dye penetrant, Magnetic particle
X-ray inspection

Q12: Are your parts suitable for sour service (H₂S environment)?

Production & Lead Time

Q13: What is your typical lead time?

Prototype / Sample: 15-30 days
Small batch (≤1000 pcs): 30-45 days
Mass production (5000-10000+ pcs): 60-90 days

Lead time depends on part complexity, material availability, and quantity.

Q14: What is your minimum order quantity (MOQ)?

A: Production: 1000 pieces (flexible depending on part size and complexity). For very large or very small parts, MOQ can be negotiated.

Q15: Do you offer heat treatment and surface finishing?

A: Yes. We offer in-house or partnered services for:

Heat treatment: Annealing, solution annealing, age hardening, stress relieving
Surface finishing: Polishing, deburring, passivation
Coatings: PTFE/Teflon, electroless nickel plating, zinc plating, anodizing (for aluminum), anti-corrosion painting

Order & Shipping

Q16: How do I request a quote?

A: Please send us:

Drawing (PDF/DWG/STEP) or clear photos with dimensions
Material specification (if known)
Quantity required
Any special requirements (tolerance, surface finish, coating, inspection)

We will reply within 24 hours with technical feedback and quotation.

Q17: What payment terms do you accept?

A: Typical payment terms:

30% deposit by T/T (bank transfer)
70% balance before shipment or against copy of Bill of Lading
L/C at sight for larger orders
Other terms negotiable

Q18: How do you package the parts for shipment?

A: Standard packaging includes:

Anti-rust oil coating (for steel parts)
Bubble wrap / foam protection
Sealed plastic bag
Strong export carton or wooden case
Labeling with part number and quantity

Custom packaging is available upon request.

Tagi: