Source high-performance UNS S38815 Stainless Steel Pipe and Tube (RA 253MA) for your most demanding thermal applications. Our S38815 seamless and welded tubing offers excellent creep strength and oxidation resistance, making it the optimal choice for furnace tubing, heat exchangers, and petrochemical processing equipment. We provide the material solution for environments where temperature and corrosion are primary failure factors.
Professional team
7x24 hours
UNS S38815 Stainless Steel Pipe and Tube
Material Category:
14Cr-16Ni-6Si-1Mo-1Cu Austenitic steel
UNS S38815 is a high Silicon containing stainless steel, usually produced by AOD / VOD / VIM followed by electro slag refining (ESR) / VAR if necessary for special purposes.
Standard: ASTM A213, ASTM A249, ASTM A312
Grade: UNS S38815
Dimension: OD 12.7 - 1422mm, WT 1 - 45mm Length: 5 - 12m
Type: Seamless and Welded.
Specifications & Standards
| Category | Specification |
|---|---|
| UNS | S38815 |
| Common Name / Trademark | RA 253MA® |
| Product Forms | Seamless Pipe, Seamless Tube, Welded Tube |
| Standard Grades | UNS S38815 Pipe, UNS S38815 Tube, RA 253MA Tube |
| Common Standards | ASTM A213/A213M (Seamless), ASTM A249/A249M (Welded), ASTM A312/A312M (Pipe) |
Products Applications
UNS S38815 is the material of choice for critical components in high-heat industries:
Heat Exchanger Tubes (Recuperators, Air Preheaters)
Radiant Tubes & Muffles in heat treatment furnaces
Reformer & Cracking Tubes in petrochemical processing
Boiler Superheater and Reheater Tubes
Thermal Oxidizer Components
Furnace Trays, Baskets, and Conveyor Systems
Chemical Composition (Weight %)
| Element | C | Cr | Ni | Si | N | Ce | Mn | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Min. | 0.05 | 20.0 | 10.0 | 1.40 | 0.14 | 0.03 | - | - | - | Bal. |
| Max. | 0.10 | 22.0 | 12.0 | 2.00 | 0.20 | 0.08 | 1.00 | 0.040 | 0.030 | Bal. |
Mechanical Properties (Typical for Annealed Condition)
| Property | Tensile Strength (min) | Yield Strength (0.2% Offset, min) | Elongation in 2" (min) | Hardness (Brinell) |
|---|---|---|---|---|
| Room Temperature | 95 ksi (655 MPa) | 45 ksi (310 MPa) | 40% | 217 HBW Max |
Why Source UNS S38815 From Us?
Technical Expertise: Our team understands high-temperature applications and can provide material selection support to ensure your project's success.
Certified Quality: All material is supplied with full Mill Test Certification (MTC/EN 10204 3.1), guaranteeing compliance with specified standards.
Global Logistics: We maintain a strategic inventory and reliable supply chain to meet your urgent project deadlines and international requirements.
Value-Added Processing: We offer cutting, bending, and other fabrication services to deliver ready-to-install components.
Hot Tags: uns s38815 stainless steel pipe and tube, China uns s38815 stainless steel pipe and tube manufacturers, suppliers, factory
