Cold Drawn ASTM Ss 304 316 Seamless Stainless Steel Tube Pipe with Bright Matte Hairline Mirror Finish for Food Grade, Sanitary

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Cold Drawn ASTM Ss 304 316 Seamless Stainless Steel Tube Pipe with Bright Matte Hairline Mirror Finish for Food Grade, Sanitary

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Product Description

📋 Basic Information

Shape

Round

Grade

316/316L

Standard

ASTM A213/A269

Size

25mm X 2.5mm X 6000mm

O.D Tolerance

+/-0.05mm

Wall Thickness Tolerance

+/-0.05mm

Delivery Condition

Bright Annealing

Transport Package

Plywood Case

HS Code

7304119000

Production Capacity

4,000,000m/Year

🔍 High-Quality Hydraulic Tubing

Our premium hydraulic tubing is manufactured using advanced cold drawn or cold rolling processes, ensuring superior size tolerance and exceptional outside/inside surface roughness. Each tube is meticulously protected by end caps and PVC bags, then packed in reinforced steel angle bar plywood cases for safe international sea transportation.

⚙ Technical Specifications

Cold Drawn Seamless Stainless Steel Tube

Main Applications:
- Hydraulic Systems
- Automotive Brake Systems
- Oil & Gas
- New Energy Sector
- Aerospace

Key Configurations:
- Smelting: EAF+AOD+ESR
- Cold Working: Cold drawn or cold rolling
- Size Tolerance: O.D/Thickness +/-0.05mm
- Internal Roughness: Ra<0.4μm
- Packing: Reinforced Plywood Case

✔ Quality Testing Content

Size Checking (O.D-Thickness-Length): 100% checking

Non-destructive Testing: Hydrostatic test (100%), Eddy current test (100%), Ultrasonic test (As per client's request)

Destructive Testing: Mechanical Properties Test, Bending test, Flattening test, Flaring test

Hardness test: Max 90HRB

PMI Test

Size Checking

Internal Checking

📊 Technical Data Comparison

Delivery Condition	MP(Mechanical Polishing)	BA(Bright Annealing)	EP(Electro-polishing)
Internal Roughness (ra)	Ra<1.0μm	Ra<0.6μm	Ra<0.25μm
Specification	ASTM A269	ASTM A269	ASTM A269
Austenitic Stainless Steel	304/304L, 316/316L, 317L, 321	304/304L, 316/316L, 317L, 321	304/304L, 316/316L, 317L, 321
Super Austenitic	6mo(S31254), 904L	6mo(S31254), 904L	6mo(S31254), 904L
Duplex & Super Duplex	S31803, S32205, S32750, S32760	S31803, S32205, S32750, S32760	S31803, S32205, S32750, S32760
Nickel Alloy	600/625/800H/Monel 400/ HC276	600/625/800H/Monel 400/ HC276	600/625/800H/Monel 400/ HC276

🛠 After Sales Service

★ Standard Warranty: 12 months.

★ Extended Warranty: Optional coverage up to 36 months.

★ Global Support: 24/7 technical assistance and spare parts supply.

★ Training: On-site or remote operation/maintenance training.

🏭 Manufacturer Overview

We are a leading Chinese manufacturer specialized in stainless, duplex, and nickel alloy seamless tubing and fittings with over 10 years of expertise. Certified with ISO 9001 and PED, we export to over 20 countries worldwide, offering reliable machinery backed by R&D innovation and strict quality control.

Why Choose Us?
- OEM/ODM capabilities
- Competitive pricing & bulk discounts
- Fast shipping & customs clearance support
- Turnkey project solutions

Other Products:
- Instrumentation tube
- Medium & High pressure tubing
- High purity tubing
- Coiled tubing

❓ Frequently Asked Questions

Q1: What is the lead time for standard and custom orders?

A: Standard models ship in 15–30 days, while customized units typically require 30–45 days depending on the specifications.

Q2: Do you provide after-sales service for international clients?

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

Q3: Can I request customized technical configurations?

A: Absolutely! We offer tailored configurations, including customized bucket sizes and specific alloy requirements to meet your project needs.

Q4: What documents are provided for export?

A: We provide a full export package including the Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and other required certifications.

Q5: What is the standard warranty period for your tubes?

A: We offer a standard 12-month warranty on all our products, with optional extended coverage available up to 36 months.

Q6: How do I initiate a quote or place an order?

A: You can reach out to our sales team via inquiry for a detailed quote. Once confirmed, you can finalize the order with a Purchase Order (PO).

Cold Drawn ASTM Ss 304 316 Seamless Stainless Steel Tube Pipe with Bright Matte Hairline Mirror Finish for Food Grade, Sanitary

Product Description

📋 Basic Information

🔍 High-Quality Hydraulic Tubing

⚙ Technical Specifications

✔ Quality Testing Content

📊 Technical Data Comparison

🛠 After Sales Service

🏭 Manufacturer Overview

❓ Frequently Asked Questions

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