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Stainless Steel High Pressure Pipe - 304L Grade, Corrosion Resistant, for Chemical Plants, ASTM A312 Standard, 1/2" to 24" Sizes

Basic Information

Place of Origin:	CHINA WUXI
Brand Name:	Jiangsu China Steel Union
Certification:	ISO9001,SGS, ASTM, ASME
Model Number:	SS304L,SS316L,SS321,SS310S,SS2205,SS347H

Minimum Order Quantity:	1000KG
Price:	1.5-2.3USD/KG
Packaging Details:	Steel strip + kraft paper + fumigated wooden box export exquisite packaging
Delivery Time:	3-5Days
Payment Terms:	T/T, L/C, Western Union, MoneyGram
Supply Ability:	2 metric tons per month

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Detail Information

Resistance:	Corrosion Resistant	Certifications:	ASTM, ASME, DIN, JIS
Pipe Type:	High Pressure	Surface Finish:	Polished
Length:	Standard Lengths Or Cut To Size	Material:	Stainless Steel
Pressure Testing:	Conducted Before Delivery	Durability:	Durable
Connection Type:	Threaded, Welded, Flanged	Weight:	Lightweight
Weldability:	Excellent	Strength:	High Strength
Shape:	Round	Productname:	Stainless Steel High Pressure Pipe
Pressure Rating:	High Pressure
Highlight:	304L stainless steel high pressure pipe , corrosion resistant ASTM A312 pipe , chemical plant stainless steel pipe

Product Description

The Stainless Steel High Pressure Pipe, specifically the 304L grade, is engineered to meet the rigorous demands of modern chemical processing and other aggressive industrial environments. Designed for superior performance under high-pressure conditions, this pipe offers exceptional corrosion resistance, ensuring long-term reliability and safety in critical applications. Manufactured in strict compliance with the ASTM A312 standard, it guarantees consistent quality, material integrity, and dimensional accuracy. Available in a versatile range from 1/2 inch to 24 inches, this stainless steel high pressure pipe provides a robust and durable piping solution for transporting various chemicals, solvents, and high-purity fluids.

Key Characteristics & Selling Points:

This 304L grade stainless steel pipe stands out due to its optimized chemical composition. The lower carbon content (max 0.03%) significantly enhances its resistance to intergranular corrosion, making it particularly suitable for welded constructions and environments where carbide precipitation is a concern. The stainless steel high pressure pipe exhibits excellent resistance to a wide spectrum of corrosive chemicals, acids, and atmospheric oxidation. Its high strength-to-weight ratio, combined with excellent formability and weldability, allows for easier fabrication and installation. The inherent durability of the 304L material ensures minimal maintenance, reduced lifecycle costs, and enhanced operational safety for chemical plants, pharmaceutical facilities, and petrochemical installations.

Applications & Technical Specifications:

The primary application of this ASTM A312 304L pipe is within chemical processing plants for conveying corrosive fluids, high-purity process streams, and utility lines. It is equally vital in oil and gas, petrochemical, power generation, pharmaceutical, food and beverage, and semiconductor industries. Its corrosion-resistant nature makes it ideal for heat exchanger tubes, condenser tubes, instrumentation lines, and high-pressure hydraulic systems.

Technical Specifications Table:

Item	Specification / Detail
Material Grade	304L (UNS S30403)
Standard	ASTM A312 / ASME SA312
Type	Seamless / Welded (Depending on order)
Size Range	1/2" NB to 24" NB (Sch 5S to Sch XXS)
Key Element Composition	C ≤0.03%, Cr 18-20%, Ni 8-12%, Mn ≤2.0%, Si ≤1.0%
Key Properties	Excellent Corrosion Resistance, Low Carbon Content, Good Weldability
Pressure Rating	Suitable for High-Pressure Services (Exact rating varies with Schedule)
End Connection	Plain End, Beveled End, or as per customer requirement

Advantages & Manufacturing:

The significant advantage of this product lies in its proven reliability in harsh conditions. The 304L grade stainless steel provides a cost-effective solution compared to higher alloys for many corrosive services. The production process, whether seamless (via extrusion or piercing) or welded (using automatic TIG or plasma arc welding followed by solution annealing and pickling), ensures a homogeneous, scale-free surface that reinforces the corrosion-resistant barrier. Rigorous testing, including hydrostatic testing, non-destructive examination, and chemical analysis, is performed to guarantee compliance with ASTM A312 standards.

Service & Support:

We provide comprehensive technical data sheets, material test certificates, and support for material selection. Custom cutting, precise beveling, and protective packaging are available to meet specific project requirements and ensure the stainless steel high pressure pipe arrives in perfect condition.

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Q: Why choose 304L over standard 304 for chemical plant piping?

A: The 304L grade's lower carbon content prevents harmful carbide precipitation during welding, maintaining its corrosion resistance in the heat-affected zones, which is critical for chemical plant integrity.
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Q: Is this ASTM A312 pipe suitable for high-temperature service?

A: Yes, the 304L stainless steel high pressure pipe performs well at elevated temperatures, though specific limits depend on pressure and corrosive environment. Continuous service is generally recommended up to approximately 425°C.
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Q: What are the available surface finishes?

A: Standard finishes include annealed and pickled. Other finishes like polished can be specified to meet process requirements, such as for sanitary applications or to reduce friction.

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