High-Quality Bright Seamless Copper Pipe C12200 ASTM B280

Name: High-Quality Bright Seamless Copper Pipe C12200 ASTM B280
Brand: EZ Steel Industrial Co., Ltd.
SKU: 2126129272

Hunan, ChinaEZ Steel Industrial Co., Ltd.

US$70.00-92.00

1 kg

Product specifications

color

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

Fire Sprinkler Systems, HVAC Systems, Medical Gas Systems, Plumbing, Refrigeration

certification

CE, ISO9001

Model NO.

Copper Alloy Pipe

Length

20 feet

Outer Diameter

2 inch

Type

Straight Copper Tube

Wall Thickness

Type L

Product Standard

ASTM B280

Material Standard

ASTM B68 / B68m

Material Name

Copper & Copper Alloy

Alloy / Uns Number

C12200

Copper (Cu) Content

≥ 99.90%

Material Type

Phosphorus Deoxidized Copper

Pipe Type

Seamless

Temper Condition

Soft (O60 / Annealed), Hard Drawn (H58)

Shape

Round Tube

Surface Finish

Bright, Clean

Internal Cleanliness

Degreased & Cleaned

Pressure Test

Hydrostatically Tested

Internal Protection

Nitrogen Charged (Capped / Sealed)

Od

1/4" (6.35 mm) to 4-1/8" (104.78 mm)

Wt

Varies by Od and Type

Transport Package

Wooden Case, Packed by Bundles with Plastic Bags

Specification

Copper Alloy Steel

Trademark

EZS

Origin

China

HS Code

7304

Production Capacity

200000ton/Year

Key features

Seamless Construction: Manufactured to ASTM B280 standard ensuring leak-free joints in critical HVAC&R systems.

Corrosion Resistance: Bright finish and phosphorus deoxidized composition provide inherent corrosion resistance.

Comprehensive Warranty: Standard 12-month or 2,000-hour warranty with optional extended coverage up to 36 months.

Global Technical Support: 24/7 assistance and spare parts supply available for all customers worldwide.

Strict Quality Control: ISO 9001:2015 certified with Hydrostatic, Ultrasonic, and X-ray testing prior to delivery.

Flexible Customization: Full customization available for special sizes, designs, and specific material grades.

Wide Application Range: Ideal for fire sprinklers, shipbuilding, seawater pipelines, and thermal power plants.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityOEM ServicesR&D Capabilities

EZ Steel Industrial Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9Years CertifiedNearest Port: Tianjin Port/Shanghai Port/Qingdao PortAverage Response Time: ≤2.01h

AI-Powered supplier vetting

SummaryEZ Steel Industrial Co., Ltd. is a trading company based in Changsha, China, specializing in steel pipe production with an annual output exceeding US$100 million. The company has a strong customization capability and offers OEM and ODM services. However, it lacks overseas warehouse services and showrooms and has limited overseas service capabilities. The company has clear procedures for corrective actions and customer complaints but lacks written procedures for effective supplier service capability.

Supplier typeThe supplier is a limited company operating as a trading company in the wholesale and retail industry.

After-Sales capabilityThe company has clear procedures and records for handling customer complaints and corrective actions.

Financial creditThe company has financial records for the past three years, indicating stable financial monitoring.

R&D capabilityThere is no new product development in the past year, indicating limited innovation capability.

Production capacityThe company produces 480,000 tons of steel pipes annually and maintains an annual production output above US$100 million.

Customization capabilityThe supplier offers extensive customization services including OEM and ODM, indicating strong customization capability.

Product Q&A

Q:Why does ASTM B280 specifically require C12200 (DHP) copper for HVAC systems?

ASTM B280 permits C10200, C12000, or C12200 . However, C12200 (Deoxidized High Phosphorus) is the industry standard for air conditioning and refrigeration (ACR) applications. Its residual phosphorus content (0.015-0.040%) provides excellent brazeability and prevents hydrogen embrittlement during high-temperature brazing. Additionally, the phosphorus deoxidization ensures an oxygen-free internal surface, preventing copper oxide (CuO) scale from contaminating the sealed refrigerant loop .

Q:What does "Seamless Bright Annealed" mean for ACR copper tube performance?

"Seamless" ensures there is no welded seam, eliminating potential leak paths under high refrigerant pressure (up to 600+ psig for R410A) . "Bright Annealed" (O60 temper) refers to a heat treatment performed in a controlled atmosphere that produces a clean, oxide-free surface inside and out. For ACR tube, this bright finish is critical because it allows the manufacturer to dehydrate and nitrogen-seal the tube, ensuring no moisture or debris enters the system upon installation .

Q:Is ASTM B280 C12200 copper tube the same as regular plumbing copper (ASTM B88)?

No. Interchangeability is dangerous. While both may be C12200 material, ASTM B280 specifies stringent cleanliness and dryness requirements mandatory for refrigeration systems. ACR tube comes dehydrated, purged with dry nitrogen, and sealed with caps . Standard plumbing tube (ASTM B88) lacks this internal cleanliness. Using plumbing tube in an HVAC system can introduce moisture that reacts with refrigerant and oil to form acids, leading to compressor failure .

Q:What is the standard temper and pressure rating for ASTM B280 C12200 bright annealed pipe?

O60 (Soft Annealed) is the standard temper for field installation, allowing bending without cracking . Typical tensile strength for annealed C12200 is 220-260 MPa . Working pressures vary by OD: For a 1/4" (6.35mm) tube, pressure rating is approx. 1,200 psig; for 7/8" (22.2mm), approx. 600 psig (calculated per ASME B31.5 for R410A at 100F) .