Name: ASTM A312 UNS S30815 Stainless Steel Seamless Heat Resistant Pipe for High Temperature Applications
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A312 UNS S30815
Price: 150000.00 USD
Availability: InStock

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ASTM A312 UNS S30815 Stainless Steel Seamless Heat Resistant Pipe for High Temperature Applications

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	ASTM A312 UNS S30815

Payment & Shipping Terms:

Minimum Order Quantity:	500KGS
Price:	Negotiable
Packaging Details:	Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time:	15-20 Days
Payment Terms:	L/C,T/T
Supply Ability:	800 Tons/ Month

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Detailed Product Description

Standard:	ASTM A312 / ASME SA312	Material Grade:	UNS S30815
Product Type:	Seamless Pipe	Material:	Austenitic Heat-Resistant Stainless Steel
Application:	High Temperature Furnace Tubes, Heat Exchangers	Size Range:	OD 1/8“ To 12”, WT SCH 5S To XXS
Highlight:	UNS S30815 Stainless Steel Seamless Pipe , High Temperature Resistance Heat Resistant Pipe , ASTM A312 Seamless Tube

ASTM A312 UNS S30815 Stainless Steel Seamless Heat Resistant Pipe for Furnace & Heat Exchanger

YUHONG GROUP is a specialised manufacturer with over 35 years of industrial expertise and a global presence spanning 85 countries, dedicated to producing high-performance stainless steel tubing for the most demanding applications. Our ASTM A312 UNS S30815 seamless tubes are engineered for extreme high-temperature service in furnaces and heat exchangers, combining superior oxidation resistance with long-term structural integrity. Backed by international certifications and a commitment to precision manufacturing, we deliver reliable, high-quality solutions for the global power generation, petrochemical, and industrial heating sectors.

Chemical Composition of Grade S30815 (UNS S30815)

Element	Requirement (%)	Notes
Grade Designation	S30815	Austenitic heat-resistant steel (RA 253 MA)
UNS Designation	S30815
Carbon (C)	0.05 - 0.10
Manganese (Mn), max	0.8
Phosphorus (P), max	0.04
Sulfur (S), max	0.03
Silicon (Si)	1.40 - 2.00	For high-temperature oxidation resistance
Chromium (Cr)	20.0 - 22.0
Nickel (Ni)	10.0 - 12.0
Nitrogen (N)	0.14 - 0.20	For solid solution strengthening
Cerium (Ce)	0.03 - 0.08	Rare earth element for improved oxide scale adhesion

Annealing Requirements for Grade S30815

Parameter	Specification	Notes
Grade or UNS Designation	S30815, S31272	This annealing requirement applies to both UNS S30815 and S31272.
Heat Treating Temperature	1920 °F [1050 °C]

Tensile Requirements for UNS S30815

Property	Specification	Notes
Grade	(Referred to as TP30815)	The UNS number is the primary identifier in this table row.
UNS Designation	S30815	Austenitic heat-resistant steel (e.g., RA 253 MA)
Tensile Strength, min	87 ksi 600 MPa
Yield Strength (0.2% Offset), min	45 ksi 310 MPa

ASTM A312 UNS S30815 Stainless Steel Seamless Pipe - Key Application Advantages

Excellent High-Temperature Resistance
Specifically designed for continuous service in high-temperature environments up to 1150°C. It offers superior oxidation and scaling resistance, making it ideal for furnace radiant tubes, heat exchangers, and other thermal processing equipment.
Superior Corrosion Resistance
As an austenitic stainless steel grade, it provides good general corrosion resistance. The high chromium and rare earth (Cerium) content further enhances its resistance to oxidation and sulfidation under cyclic heating conditions.
High Strength & Reliable Structure
The seamless manufacturing process ensures a uniform, pore-free structure with no welded seams. This results in higher mechanical strength, better pressure-bearing capability, and improved leak-proof performance compared to welded pipes.
Long Service Life & Cost Efficiency
The combination of excellent heat resistance, corrosion resistance, and robust construction significantly extends the component's service life in demanding applications, reducing downtime and maintenance costs, thereby offering a lower total cost of ownership.
Proven Global Standard Compliance
Manufactured in full compliance with ASTM A312/ASME SA312 standards, ensuring material quality, traceability, and performance reliability for international projects in power generation, petrochemical, and industrial heating sectors.