China 12.7mm OD Stainless Steel Seamless Coil Tubing - 0.7-2.11mm Wall Thickness, Vacuum Bright Annealed for sale

12.7mm OD Stainless Steel Seamless Coil Tubing - 0.7-2.11mm Wall Thickness, Vacuum Bright Annealed

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: 50 DAYS

Brand: zheheng

Product Description

Product Overview

Precision cold-drawn stainless steel bright seamless coil tubing designed for demanding industrial applications requiring superior corrosion resistance and reliability.

Key Advantages

Custom cutting and bending capabilities reduce material waste and installation costs
Minimized joint requirements enhance pipeline safety and reduce leakage risks
Vacuum bright annealing process ensures clean, bright surfaces without oxidation
Complete seamless construction with no welding points for maximum integrity

Technical Specifications

Product Name	Precision Cold-Drawn Stainless Steel Bright Seamless Coil Tubing
Production Process	Cold rolling followed by cold drawing and coiling
Surface Treatment	Vacuum bright annealing (prevents oxidation, maintains clean surfaces)
Delivery State	Soft state (HRB≤90)
Available Materials	304/304L / 321/317L / 2205/2507
Production Standards	ASTM(ASME)SA/A312 / A213 / A269, DIN, GB, JIS
Diameter Range	OD Φ4mm to 31.8mm
Wall Thickness	0.7mm to 2.11mm
Diameter Tolerance	±0.1mm
Wall Thickness Tolerance	±10%

Coil Specifications

Single coil weight: Up to 120kg depending on diameter and wall thickness
Complete seamless construction with no welding points
Custom butt welding available for super-long coil requirements (thousands of meters)

Quality Assurance

Hydraulic testing: 10Mpa - 35Mpa
Air pressure testing
Eddy current flaw detection
Custom coding identification available

Packaging & Delivery

Packaging: Woven bags, plywood boxes, or plywood spools
Optimized for sea, land, and air transportation
Production cycles: 25-60 days based on coil weight requirements

Product Applications

Ideal for oil drilling, shipbuilding, aerospace, petrochemical refining equipment, heat exchangers, chemical pipelines, fluid transport, steam insulation, heating coils, high-pressure fluid systems, and cable protection.

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