Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels
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Product Highlights
- Exceptional Corrosion Resistance: Resists oxidizing/reducing media, sulfuric acid, hydrochloric acid, and various aggressive chemicals.
- Customized Grade Options: Available in Hastelloy C276, C22, C4, C2000, B2, B3, and X grades to meet specific needs.
- Wide Size Range: Sizes from 1/2 inch to 36 inches with Class 150# to 2500# and PN6 to PN64 ratings.
- Multiple Flange Types: Includes Slip-on, Weld Neck, Threaded, Lap Joint, Socket Weld, Blind, and Long Weld Neck types.
- Versatile Surface Treatment: Offers Bright surface with options like Ba, 2b, No.1, 8K, and Hl finishes.
- Comprehensive Certification: Certified under ISO, RoHS, ASTM, GB, JIS, and other international standards.
- Leak-Free Connections: Ensures safety and integrity in corrosive environments with reliable sealing.
Product Attributes
- Customization
- Available
- Type
- Stainless Steel Sheets
- Standard
- ASTM, AISI, GB, JIS, DIN, EN
- Model NO.
- UNS S30815
- Grade
- Customized
- Certification
- ISO, RoHS, ASTM, GB, JIS
- Shape
- Pipe Coil Sheet
- Technique
- Cold Rolled
- Surface Treatment
- Bright
- Thickness
- Cold Rolled 0.3-6.0mm; Hot Rolled:3.0-200mm
- Width
- 8-2500mm
- Surface
- Ba/2b/No.1/8K/Hl
- Series
- 2/3/4 Series
- Transport Package
- Standard Seaworthy Package
- Specification
- Customized
- Trademark
- Mesco Steel
- Origin
- China
- HS Code
- 72193400
- Production Capacity
- 5000ton/Month
Product Images of Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels
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Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels -
Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels -
Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels -
Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels -
Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels -
Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels -
Unss30815 / 253mA Heat Resistant Stainless Steel for Boilers & Pressure Vessels
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Product Description
UNS S30815 / 253MA Brief Introduction
| GRADE | UNS NO | ASTM/AISI | DIN | JIS |
| 253 MA | S30815 | 253 MA | 1.4835 | SUS253MA |
UNS S30815 / 253MA:
High silicon, cerium (Ce) containing rare earth, micro-nitrided austenitic heat-resistant stainless steel.
Core Advantages:
High temperature oxidation resistance, creep resistance, thermal fatigue resistance, and non-peeling oxide film.
Typical Uses:
High-temperature pressure-bearing components, heat exchangers, furnace internal components, burner accessories.
Standards Compliance:
Complies with ASTM A240/A240M, EN 1.4835, UNS S30815, ensuring stable quality and global compatibility.
Product Overview
Typical compositional ranges for grade 253MA stainless steels
| % | C | Mn | Si | P | S | Cr | Ni | N | Ce |
| min. | 0.05 | - | 1.1 | - | - | 20 | 10 | 0.14 | 0.03 |
| max. | 0.1 | 0.8 | 2 | 0.04 | 0.03 | 22 | 12 | 0.2 | 0.08 |
Mechanical Properties
Typical mechanical properties for grade 253MA stainless steel
| Tensile Str (MPa) min | Yield Str (MPa) min | Elongation (% in 50mm) min |
Hardness | |
| Rockwell B (HR B) max |
Brinell (HB) max |
|||
| 600 | 310 | 40 | 95 | 217 |
Physical Properties
Typical physical properties for grade 253MA stainless steel
| Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (mm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat | Electrical Resistivity (nW.m) | |||
| 0-100°C | 0-600°C | 0-1000°C | at 20°C | at 1000°C | 0-100°C (J/kg.K) | ||
| 200 | 17 | 18.5 | 19.5 | 15 | 29 | 500 | 850 |
Grade Specification
Comparison Approximate grade comparisons for 253MA stainless steel
| UNS No | Euronorm | Swedish | |
| No | Name | SS | |
| S30815 | 1.4835 | X9CrNiSiNCe21-11-2 | 2368 |
Available forms for1.4835 /ALLOY 253 MA
253 MA Stainless Steel Applications
Due to high creep strength, heat resistance and good corrosion resistance, quality grade 253 MA stainless steels are widely used for below applications.
1. Furnace Core Components
Burners, retorts, conveyor belts, fans, jigs & baskets, rollers, walking beams, radiant tubes, electric heater elements, refractory anchors, hoods, flues, grates, expansion bellows.
2. Petrochemical & Refinery
Parts Tube hangers for petrochemical and refinery service.
3. Main Application Industries
Sintering equipment
Blast furnace equipment
Steel melting equipment
Furnace and continuous casting equipment
Rolling mill heating furnaces
Heat treatment furnaces and accessories
Mineral processing & cement production equipment
Non-pressure high-temperature
1.Core Grade & Material Number
#253 MA #253MA Stainless Steel #Material No.1.4835 #1.4835 Steel #1.4835 Alloy #EN X9CrNiSiNCe21-11-2 #X9CrNiSiNCe21-11-2 Steel #UNS S30815 #S30815 Stainless Steel #Alloy 253MA
2.Material Property Keywords
#High Temperature Stainless Steel #Heat Resistant Steel #Oxidation Resistant Steel #High Temperature Alloy #Heat And Corrosion Resistant #Creep Resistance Steel #High Temperature Strength #Scale Resistance Steel #Silicon Alloyed Stainless Steel #Rare Earth Added Steel #Nitrogen Strengthened Steel #High Temperature Oxidation Resistance #Thermal Stability Steel
3.Product Form Keywords
#253MA Steel Plate #253MA Steel Coil #253MA Steel Sheet #253MA Steel Strip #1.4835 Sheet #1.4835 Plate #1.4835 Coil #S30815 Sheet Metal #X9CrNiSiNCe21-11-2 Flat Steel #Hot Rolled Stainless Steel #Cold Rolled Stainless Steel
4.Equipment & Industrial Application Keywords
#Heat Treatment Furnace Steel #Boiler Stainless Steel #Furnace Component Material #Industrial Furnace Parts #Radiant Tube Material #Burner Parts Steel #Flue Gas Duct Steel #High Temperature Pipeline #Power Plant Steel #Petrochemical High Temperature Equipment #Thermal Processing Industry #Kiln Lining Material #Exhaust System Steel
5.Standard & Industry Attribute Keywords
#EN Standard Stainless Steel #UNS Standard Alloy #European Standard 1.4835 #Austenitic Heat Resistant Stainless Steel #Special Alloy Steel #Industrial Special Stainless Steel #High Grade Heat Resistant Alloy #Anti-rust High Temperature Steel #253MA High Temperature Plate #1.4835 Boiler Steel Sheet #S30815 Furnace Use Coil #X9CrNiSiNCe21-11-2 High Temperature Resistant Plate #253 MA Alloy For High Temperature Furnace #Material 1.4835 Oxidation Resistant Sheet
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2491952". Items marked "
" are certified.
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Company Profile
MESCO STEEL was founded in 2007, headquarter locates in Dalian city, Liaoning province, now there are 32 employees. MESCO is a famous supplier of coated steel series products in northeast China, it is the biggest private steel export enterprice in this area as well. The main products are: Aluminized steel; ZAM steel; Prepainted coil / sheet; Powder pre-painting steel; Galvanized steel coil / sheet; Galvalume steel coil / sheet; Cold rolled steel coil / sheet
Till 2023, the products have been exported to the following 82countries and regions: Russia, Ukraine, Uzbekistan, Turkey, Canada, Romania, Estonia, Spain, Sweden, South Africa, Gana, Angola, Brazil, Chile, Peru, Columbia, Guatemala, Equador, Vietnam, Philippines, Malaysia, Tailand, India, Singapore, Jordan, United Arab Emirates, Pakistan, Bangladesh, Sri Lanka, Israel, Syria, Iraq, Qatar, Yemen, Saudi Arabia, Korea, etc.
On the base of the advantage of rich resource, MESCO has become the regular supplier of raw material of many Global Enterprises, such as SANYO Japan, Iris Japan, SK Steel Korea, Bluescope, Sicom, etc. Meanwhile it is the supplier or raw material of many large projects in China. The quality and service is highly approved by the clients.
16 years, adhering to the ideas of "Professional, Efficient, Sincere", learn and reserch continuously, keeps up with the times. Now MESCO has become one of the fewest supplier who has super strong professional ability in the industry. We can provide the products and technical consultation in first time, especially in the domain of non-standard and high stancard products, and being the first choice of some international and domestic cli. Ents.
In the future, relying on the advantages of raw material and facility, MESCO will develop metal cutting, forming, drawing, punching, etc, provide more convenient personalized service for the customers.
MESCO honor:
Director enterprise of China Iron and Steel Alliance
Founding enterprise of northeast Steel Structure Industry Alliance
Current chairman of Dalian pearl net chamber of Commerce
Top 50 enterprises of Lange steel in 2019
Lange Steel's top 20 enterprises of integrity in 2019
About Our Factory & Business Background
- Address
- Floor 4th. International Business Building Free Trade Zone. Dalian, Liaoning China.
- Terms of Payment
- LC, T/T
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, EXW
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: one month - Nearest Port
- Tianjin, Qingdao
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2007-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What grades of Hastelloy are available?
- We offer Hastelloy C276, C22, C4, C2000, B2, B3, and X grades.
- What is the size range for these flanges?
- Sizes range from 1/2 inch to 36 inches, covering Class 150# to 2500# and PN6 to PN64.
- Which industries use these flanges?
- They are used in chemical processing, oil and gas, pharmaceuticals, and power generation.
- What types of flange faces are available?
- Options include Flat Face (FF), Raised Face (RF), and Ring Type Joint (RTJ).
- Can the flanges be customized?
- Yes, grades, dimensions, and surface treatments can be customized according to requirements.
- What are the lead times for production?
- Peak season lead time is within 15 workdays, while off-season is one month.
- What payment terms do you accept?
- We accept LC and T/T payment terms.
- What are the mechanical properties of Hastelloy C276?
- Tensile strength is 115,000 psi (790 MPa), yield strength is 52,000 psi (355 MPa), and density is 8.89 g/cm3.
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