Seamless Super Clean Pipe Stainless Steel 316L Hc-276 Hastelloy Ep Grade Tube

Product Overview

Our high-quality hydraulic tubing is produced by cold drawn or cold rolling process, ensuring superior size tolerance and excellent surface roughness for both outside and inside walls. Each tube is meticulously protected by end caps and PVC bags to maintain its integrity during transit.

Model NO.

FL-EP

Shape

Round

Grade

316/316L

Standard

ASTM A213/A269

Size

25mm X 2.5mm X 6000mm

O.D Tolerance

+/-0.05mm

Wall Tolerance

+/-0.05mm

Delivery Condition

Bright Annealing

Production Capacity

4,000,000m/Year

Technical Specifications

Key Configurations

Smelting Method: EAF + AOD + ESR for maximum purity.
Cold Working: High-precision Cold drawn or cold rolling.
Internal Surface: Wall roughness Ra < 0.4μm.
Packing: Plywood cases reinforced by steel angle bars for sea transportation.

Industry Applications

Hydraulic and Pneumatic Systems
Automotive Brake Systems
Oil & Gas Exploration
New Energy Sector Infrastructure
Aerospace Engineering

Quality Control & Testing

Non-destructive Testing (NDT)

Hydrostatic test: 100% verification
Eddy current test: 100% verification
Ultrasonic test: Available upon request

Destructive Testing

Mechanical Properties & Hardness (Max 90HRB)
Bending, Flattening, and Flaring tests
PMI Analysis for Material Grade

Delivery Condition Parameters

Delivery Condition	MP (Mechanical Polishing)	BA (Bright Annealing)	EP (Electro-polishing)
Internal Roughness (Ra)	Ra < 1.0μm	Ra < 0.6μm	Ra < 0.25μm
Standard Specification	ASTM A269	ASTM A269	ASTM A269
Austenitic Steel	304/304L, 316/316L, 321	304/304L, 316/316L, 321	304/304L, 316/316L, 321
Nickel Alloy	600/625/800H/HC276	600/625/800H/HC276	600/625/800H/HC276

After Sales & Global Support

Standard Warranty: 12 months comprehensive coverage.
Extended Warranty: Optional coverage available up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training Services: On-site or remote maintenance and operation training.

Why Partner With Us?

Service Advantages

OEM/ODM Professional capabilities
Competitive pricing & bulk discounts
Fast shipping & customs support
Complete turnkey project solutions

Extended Product Line

Instrumentation Tubing
Medium & High Pressure Tubing
High Purity Tubing
Coiled Tubing

Frequently Asked Questions

What is the standard lead time for orders?

Standard models typically ship within 15–30 days, while customized units require approximately 30–45 days depending on specifications.

Do you offer international after-sales support?

Yes, we provide 24/7 global technical assistance and have partnered service centers in key regions to support our international clients.

Can specifications be customized for specific projects?

Absolutely. We offer tailored configurations for size, thickness, and material grades (Stainless, Duplex, or Nickel Alloy) to meet your project requirements.

What quality documentation is provided?

We provide a full export documentation package, including Commercial Invoice, Packing List, Bill of Lading, and Certificate of Conformity (COC).

How are the tubes protected during sea transportation?

All tubes are protected with end caps and PVC bags, then packed in plywood cases reinforced with steel angle bars to ensure they arrive in perfect condition.

What material grades do you specialize in?

We specialize in Austenitic Stainless Steel (304/316L), Super Austenitic (904L, 6mo), Duplex/Super Duplex, and high-performance Nickel Alloys.