Stainless Steel Pipe | 304L/316L Chemical Transport Tanks

Stainless Steel Pipe | 304L/316L Chemical Transport Tanks

Product Overview

Our 304L/316L stainless steel pipes are engineered for safe and efficient chemical transport, offering unparalleled corrosion resistance, durability, and compliance with ASTM/ASME standards. Designed for industries ranging from petrochemical plants to pharmaceutical manufacturing, these pipes feature seamless construction, precision tolerances (±0.1mm), and customizable stainless steel schedule pipe chart specifications. Ideal for handling acids, alkalis, and high-purity fluids, our pipes ensure leak-proof performance in extreme environments.

Technical Specifications

For custom stainless steel schedule pipe chart configurations or stainless steel water pipes retrofits, consult our technical team.

Key Attributes

1. Corrosion Resistance:
   • 304L: 18-20% chromium and 8-10% nickel resist oxidation in mild acids and freshwater.
   • 316L: 2-3% molybdenum enhances chloride resistance, ideal for marine and chemical environments.
2. Thermal Stability: Withstands temperatures up to 870°C (304L) and 843°C (316L), perfect for high-temperature chemical reactors.
3. Hygienic Design: Mirror-polished surfaces (Ra ≤0.3μm) meet NSF/ANSI 372 standards for food and pharmaceutical use.

Detailed Performance Characteristics

Tensile & Bend Strength

• Tensile Strength:
  Both grades achieve ≥485 MPa tensile strength, ensuring structural integrity in high-pressure systems like hydraulic lines and offshore platforms. The austenitic microstructure prevents stress concentration, critical for welded joints in stainless steel pipe tube assemblies.
• Bend Strength:
  Cold-drawn pipes retain ductility under tight-radius bends (1.5x OD). Use mandrel bending tools to avoid work hardening, especially for stainless steel water pipes in complex layouts.

Identification Methods

• Laser Etching/Stamping: Permanent markings include grade ("304L" or "316L"), OD, thickness, and heat number per ASTM A480.
• Certification: Mill Test Reports (MTRs) validate chemical composition (Cr, Ni, Mo) and mechanical properties for full traceability.

Weight Calculation

Use the formula:
Weight (kg/m)=1000(OD−WT)×WT×0.0248
Example: A 100mm OD pipe with 5mm wall thickness weighs ~11.6 kg/m. Download our stainless steel schedule pipe chart for bulk calculations.

Causes of Stainless Steel Rust

Despite its corrosion resistance, rust can occur under:

1. Chloride Exposure: Seawater or de-icing salts disrupt the passive chromium oxide layer, causing pitting.
2. Mechanical Damage: Scratches from improper handling expose raw metal to oxidation.
3. Galvanic Corrosion: Contact with carbon steel in conductive fluids accelerates degradation.
4. Improper Welding: High carbon precipitation in heat-affected zones reduces corrosion resistance. Use low-carbon 304L/316L and post-weld annealing.

Applications

• Chemical Transport Tanks: 316L pipes handle sulfuric acid, alkalis, and chlorides in reactors.
• Pharmaceutical CIP Systems: Compatible with NaOH and HNO3 cleaning agents.
• Municipal Water Systems: Stainless steel water pipes ensure zero lead contamination and long-term durability.

Why Choose Our Stainless Steel Pipes?

1. Certified Quality: ASTM/ASME compliance with third-party inspections and ISO 9001 certification.
2. Global Supply: As a leading stainless steel pipe tube supplier, we ensure 15-30 day delivery for bulk orders.
3. Technical Expertise: 24/7 guidance on stainless steel schedule pipe chart integration and orbital welding protocols.
4. Cost Efficiency: 20-30% lifecycle savings vs. carbon steel alternatives.
5. Sustainability: 100% recyclable with ISO 14001-certified eco-packaging.