Detail Information

Use:	Pipes	Customization:	Available On Request
Payment Term:	TT DP LC	Standard:	ASTM A312, ASTM A213, DIN 17456, JIS G3459
Welding Method:	TIG	Production Capacity:	50000ton/Month
Color:	Sliver	Surface Finish:	Polished, Matte, Mirror, Brushed
Technique:	Hot Rolled , Cold Rolled , Extrusion	Wall Thickness:	0.5mm To 20mm
Sanitary Welded Pipes:	304	Welding Line Type:	ERW,Seamless
Corrosion Resistance:	High	Section Shape:	Round
Size:	1/2 Inch
Highlight:	99.7% Pure Aluminum Ingot , Pure Aluminum Ingot A7 , Aluminium A7 Ingots

Product Description

Sanitary Welded Stainless Steel Pipes: Precision Engineered for Hygienic Flow

Sanitary Welded Stainless Steel Pipes are engineered to establish a superior, cleanable, and reliable flow path for demanding applications where hygiene, corrosion resistance, and system integrity are non-negotiable. These pipes are fabricated from high-grade stainless steel, featuring a precision-welded seam that is internally smoothed to minimize crevices and prevent bacterial entrapment. The product is the cornerstone of closed-system fluid transfer, ensuring product purity and operational consistency in sensitive processes. Unlike standard industrial pipes, sanitary welded pipes prioritize internal surface finish and cleanability, making them indispensable for industries governed by stringent sanitary standards.

Key Features & Selling Points:

•
Hygienic Design: The smooth, polished internal surface (achievable in Ra ≤0.8µm or better) and fully penetrated, contoured welds prevent contamination buildup and facilitate easy cleaning and sterilization (CIP/SIP).
•
Exceptional Material: Primarily constructed from 304/304L or 316/316L stainless steel, offering excellent resistance to corrosion, oxidation, and chemical attack from process fluids and cleaning agents.
•
Precision Manufacturing: Utilizing advanced automatic orbital welding or laser welding technology ensures consistent, high-integrity welds with minimal heat-affected zones, preserving the material's metallurgical properties.
•
Robust Construction: The welded seam provides enhanced structural strength and leak-proof performance under various pressure and temperature ranges.
•
Versatile Connectivity: Available with various sanitary end finishes such as butt weld ends, clamp-style (Tri-clamp), or bevel-seat fittings for a secure, flush connection within the system.

Specifications at a Glance

Dimension / Parameter	Details / Options
Primary Material Grades	AISI 304, 304L, 316, 316L (meets ASTM A270 standard)
Standard Sizes (OD)	1/2" to 4" (DN15 to DN100) and larger, custom sizes available
Wall Thickness	Sch 5S, Sch 10S, or as specified per application requirements
Surface Finish (Internal)	Mechanically polished to #180 grit, #320 grit, or electro-polished; Ra 0.8µm to 0.4µm
Welding Standard	Automatic Orbital Welding (GTAW/TIG), following ASME BPE guidelines
Common End Connections	Butt Weld, Tri-Clamp (DIN/SMS/ISO), Bevel Seat, Flanged

Technology & Manufacturing Process

The production of Sanitary Welded Stainless Steel Pipes involves cutting, precision forming, and welding using automated orbital TIG or laser welders under inert gas shielding. The critical post-weld treatment includes internal bead smoothing (for butt-weld pipes) and a multi-step mechanical and/or electro-polishing process. This achieves the required micro-finish, passivates the surface to restore the chromium oxide layer, and ensures the pipe interior is free of contaminants and pockets.

Applications

Sanitary Welded Stainless Steel Pipes are fundamental in industries where preventing contamination is critical:

•
Food & Beverage: Transfer of dairy, juices, sauces, and alcoholic beverages.
•
Pharmaceutical & Biotech: Process lines for purified water, WFI, and sensitive biopharmaceutical products.
•
Cosmetics: Movement of creams, lotions, and liquid personal care products.
•
Semiconductor: High-purity chemical and gas delivery.

Advantages Over Alternatives

Compared to seamless pipes or threaded pipes, these welded sanitary pipes offer a more cost-effective solution for high-purity applications without compromising hygiene. The controlled welding process allows for greater consistency in wall thickness and internal smoothness over long lengths. Their design inherently supports faster assembly and disassembly for maintenance and inspection.

Service & Support

We provide comprehensive technical support, including material certification (Mill Test Reports), process validation documentation, and guidance on system design and installation best practices. Custom fabrication according to client drawings and specifications is available.

FAQ

•
Q: How do I clean these pipes effectively?

A: They are designed for Clean-in-Place (CIP) and Sterilize-in-Place (SIP) procedures using recommended solutions and cycles.
•
Q: Can these pipes be bent or fabricated on-site?

A: For sanitary integrity, field bending is not recommended. Prefabricated spools and components are advised, which we can supply as per isometric drawings.
•
Q: What is the pressure rating?

A: The pressure rating depends on the material grade, wall thickness, and diameter. Specific ratings should be confirmed based on the selected specification.

Tag:

Place of Origin:	CHINA WUXI
Brand Name:	Jiangsu China Steel Union
Certification:	ISO9001,SGS, ASTM, ASME
Model Number:	SS304,SS316L,SS321,SS310S,SS2205,SS304H

Minimum Order Quantity:	1000Kilogram
Price:	Negotiable
Packaging Details:	Steel strip + kraft paper + fumigated wooden box export exquisite packaging
Delivery Time:	5-7Days
Payment Terms:	T/T, L/C, Western Union, MoneyGram
Supply Ability:	2 metric tons per month

Sanitary Welded Stainless Steel Pipes, Mirror Finish, FDA Compliant

99.7% Pure Aluminum Ingot

Pure Aluminum Ingot A7

Aluminium A7 Ingots

Stainless Steel Tubing,

Stainless Steel Seamless Pipes,

ASTM Stainless Steel Tubing

High-Pressure 316 Stainless Steel Pipes, SCH40, Industrial Use EN 10216-5

Custom Size 304 Stainless Steel Pipes, ASTM A554, Decorative & Structural

Corrosion Resistant Duplex Steel Pipes, High Strength, EN 10216

Thin Wall Stainless Steel Pipes 0.5mm JIS G3459 Lightweight for HVAC Ducting

316Ti 2205 Stainless Steel Pipe 3/8 In DIN 17456 Chloride Resistance For Desalination Plants

316L Stainless Steel Pipes High Purity ASME SA789 3/4 OD Stainless Steel Tubing

2205 Duplex Stainless Steel Pipe 2 Inch EN 10216-5 Stainless Steel Tubing

Schedule 40 304 Stainless Steel Pipe 1/2 Inch ASTM A312 Stainless Steel Tube