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ASTM A312 UNS S30815 253MA Flange 8 Inch 300 BL Welding Neck Flange

ASTM A312 UNS S30815 253MA Flange 8 Inch 300 BL Welding Neck Flange

Brand Name: TOBO
Certification: SGS/BV/ABS/LR/TUV/DNV/BIS/API/PED
Model Number: Elbow
Minimum Order Quantity: 1pc
Delivery Time: 10-35days
Payment Terms: L/C, T/T, Western Union
TOBO STEEL GROUP CHINA
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Shanghai Shanghai China
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No.208,Lvdi Road,Baihe Town,Qingpu District,Shanghai,China
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ASTM A312 UNS S30815 (253MA) flange 8 inch 300 BL Welding neck flange

1.S30815 flange
2.sch5s-schxxs
3.ISO9001,ISO9000
4.Market:America,Africa,Middle East,Southeast of Asia

ASTM A312 UNS S30815 (253MA) flange

Product NameASTM A312 UNS S30815 (253MA) flange
StandardASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Type1.4835 (UNS S30815 – 253MA – SS2368)
Materials

Stainless steel:ASTM/ASMES/A182 F304 | F304L |F304H | F316 | F316L | F321 | F321H | F347|316Ti | 309S |310S | 405 |409|410 | 410S | 416 | 420 | 430 | 630 | 660 | 254SMO | 253MA | 353MA

Nickel Alloy: ASTM/ASME S/B366 UNS N08020 | N04400| N06600 | N06625 | N08800 | N08810 | N08825 | N10276 | N10665 | N10675 | Incoloy 800 | Incoloy 800H | Incoloy 800HT | Incoloy 825 | Incoloy 901 | Incoloy 925 | Incoloy 926, Inconel 600 | Inconel 601 | Inconel 625 | Inconel 706 | Inconel 718 | Inconel X-750, Monel 400 | Monel 401 | Monel R 405 | Monel K 500
Super Stainless Steel: ASTM/ASME S/A182 F44, F904L, F317L S32750 | S32760

Hastelloy:HastelloyB | HastelloyB-2 | HastelloyB-3 | HastelloyC-4 | Hastelloy C-22 | Hastelloy C-276 | Hastelloy X |Hastelloy G | Hastelloy G3
Nimonic: Nimonic 75 | Nimonic 80A | Nimonic 90
Duplex Steel: ASTM A182 F51 | F53 | F55, S32101 | S32205 | S31803 | S32304
Alloy Steel: ASTM/ASME S/ A182 F11 | F12 | F22 | F5 | F9 | F91

Carbon steel: API 5L...

MarkingSupply Logo + Standard + Size(mm) + HEAT NO +or as your requirement
TestChemical Component Analysis, Mechanical Properties, Metallurgical Analysis, Impact Testing, Hardness testing , Ferrite Testing, Intergranular corrosion testing, X-ray Inspection (RT), PMI, PT, UT, HIC & SSC test, etc. or as your requirment
CertificatesAPI, ISO, SGS, BV, CE, PED, KOC, CCRC, PDO, CH2M HILL and etc.
Applications

Ø EN 1.4835 has a good weldability and can be welded using the following methods:

  1. Shielded metal arc welding (SMAW)

  1. Gas tungsten arc welding, GTAW (TIG)

  1. Plasma arc welding (PAW)

  1. Gas metal arc GMAW (MIG)

  1. Submerged-arc welding (SAW)
  • Typical application areas for 1.4835:
  1. Ovens
  2. Construction
  3. Building
  4. As details at high temperature
Advantages

Material Description


1.4835 (UNS S30815 – 253MA – SS2368)

253MA Stainless Steel is Rare Earth Metals (REM) and lean austenitic heat resistant alloy with high strength and outstanding oxidation resistance. 253 MA maintains its heat resistant properties by advanced control of micro alloy additions. The use of rare earth metals in combination with silicon gives superior oxidation resistance up to 2000°F. Nitrogen, carbon and a dispersion of rare earth and alkali metal oxides combine to provide creep rupture strength comparable to the nickel base alloys. A wide variety of components requiring high strength at elevated temperature such as heat exchanger, kilns, stack dampers and oven components are common applications for 253 MA.


253MA is a grade combining excellent service properties at high temperature with ease of fabrication. It resists oxidation at temperatures up to 1150°C and can provide superior service to Grade 310 in carbon, nitrogen and sulphur containing atmospheres. Another proprietary designation covering this grade is 2111HTR.


253MA contains fairly low nickel content, which gives it some advantage in reducing sulphide atmospheres when compared to high nickel alloys and to Grade 310. The inclusion of high silicon, nitrogen and cerium contents gives the steel good oxide stability, high elevated temperature strength and excellent resistance to sigma phase precipitation.

The austenitic structure gives this grade excellent toughness, even down to cryogenic temperatures. These properties are specified for flat rolled product (stainless steel plate, sheet and coil) as Grade S30815 in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.


Function

By using 1.4835 (UNS S30815 – 253MA – SS2368) you get a Stainless High Temperature Steel designed to be used at temperatures over 550°C. It has a good resistance to oxidation and suits to be used as details in ovens, construction and buildings.


The steel grade 1.4835 ( also called UNS S30815, 253MA and SS2368) is an austenitic stainless high temperature steel with good resistance to oxidation. The steel has been designed to be used at temperatures over 550°C, the most suitable temperature range is 850-1100°C. The steel suits for production of details with good resistance to temperature corrosion and relatively high strength at elevated temperatures. It also has good creep strength properties. 1.4835 is not magnetic but can be slightly magnetic after cold working or welding.


Good formability and weldability
1.4835 has a good weldability and can be welded with shielded metal arc welding, gas tungsten arc welding, plasma arc welding and submerged-arc welding. You shall use low heat input and use filler metals of type EN 1.4835 when you weld. The steel can be both cold and hot formed but it can only be hardened by cold working. The steel has high hardness and at machining you need to follow cutting recommendations.

Chemical Composition ranges for 253MA grade stainless steel

GradeCMnSiPSCrNiNCe
253MAmin. max.0.05 0.10- 0.801.10 2.00- 0.040- 0.03020.0 22.010.0 12.00.14 0.200.03 0.08

Mechanical properties of 253MA grade stainless steel

GradeTensile Strength
(MPa) min
Yield Strength
0.2% Proof (MPa) min
Elongation (% in 50mm) minHardness
Rockwell B
(HR B) max
Brinell (HB) max
253MA6003104095217

Physical properties of 253MA grade stainless steel

GradeDensity (kg/m3)Elastic Modulus (GPa)Mean Coefficient of Thermal Expansion (mm/m/°C)Thermal Conductivity (W/m.K)Specific Heat
0-100°C (J/kg.K)
Electrical Resistivity (nW.m)
0-100°C0-600°C0-1000°Cat 20°Cat 1000°C
253MA780020017.018.519.515.029.0500850

Grade specifications Comparison for 253MA grade stainless steel

Grade

UNS No

Old British

Euronorm

Swedish SS

Japanese JIS

BS

En

No

Name

253MAS30815--1.4835X9CrNiSiNCe21-11-22368-
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Possible alternative grades to 253MA grade stainless steel

GradeWhy it might be chosen instead of 253MA
310Carburising atmospheres require a higher nickel content
304HLower cost alternative, provided the operating temperature is below about 800°C
Nickel AlloysCarburising atmospheres or temperatures above the 1100 - 1150°C maximum of 253MA.

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Unit : inch
Nominal
Pipe
Size
Outside Dia.
(OD)
Wall Thickness (T)90o L/R Elbow Center To End A45o L/R Elbow Center To End B90o S/R Elbow Center To End ATees Center To Ends C.MCap Length
E
Sch.5SSch.10SSch.40SSch.80S
1/20.8400.0650.0830.1090.1471.500.6251.001.00
3/41.0500.0650.0830.1130.1541.120.4381.131.00
11.3150.0650.1090.1330.1791.500.8751.001.501.50
1-1/41.6600.0650.1090.1400.1911.881.001.251.881.50
1-1/21.9000.0650.1090.1450.2002.251.121.502.251.50
22.3750.0650.1090.1540.2183.001.382.002.501.50
2-1/22.8750.0830.1200.2030.2763.751.752.503.002.00
33.5000.0830.1200.2160.3004.502.003.003.382.50
44.5000.0830.1200.2370.3376.002.504.004.133.00
55.5630.1090.1340.2580.3757.503.125.004.883.50
66.6250.1090.1340.2800.4329.003.756.005.634.00
88.6250.1090.1480.3220.50012.005.008.007.005.00
1010.7500.1340.1650.3750.50015.006.2510.008.506.00
1212.7500.1560.1800.3750.50018.007.5012.0010.007.00
1414.0000.1560.2500.3750.50021.008.7514.0011.007.50
1616.0000.1650.2500.3750.50024.0010.0016.0012.008.00
1818.0000.1650.2500.3750.50027.0011.2518.0013.509.00
2020.0000.1880.2500.3750.50030.0012.5020.0015.0010.00
2424.0000.2180.2500.3750.50036.0013.5024.0017.0012.00


Unit : inch
Nominal
Pipe
Size
Outside Dia.
(OD)
Wall Thickness (T)90o L/R Elbow Center To End A45o L/R Elbow Center To End B90o S/R Elbow Center To End A
Sch.5SSch.10SSch.40SSch.80S
1/20.8400.0650.0830.1090.1471.500.625
3/41.0500.0650.0830.1130.1541.120.438
11.3150.0650.1090.1330.1791.500.8751.00
1-1/41.6600.0650.1090.1400.1911.881.001.25
1-1/21.9000.0650.1090.1450.2002.251.121.50
22.3750.0650.1090.1540.2183.001.382.00
2-1/22.8750.0830.1200.2030.2763.751.752.50
33.5000.0830.1200.2160.3004.502.003.00
44.5000.0830.1200.2370.3376.002.504.00
55.5630.1090.1340.2580.3757.503.125.00
66.6250.1090.1340.2800.4329.003.756.00
88.6250.1090.1480.3220.50012.005.008.00
1010.7500.1340.1650.3750.50015.006.2510.00
1212.7500.1560.1800.3750.50018.007.5012.00
1414.0000.1560.2500.3750.50021.008.7514.00
1616.0000.1650.2500.3750.50024.0010.0016.00
1818.0000.1650.2500.3750.50027.0011.2518.00
2020.0000.1880.2500.3750.50030.0012.5020.00
2424.0000.2180.2500.3750.50036.0013.5024.00


Product Tags:

Pipe Fittings Elbow

      

Stainless Steel 90 Degree Elbow

      

ASTM A312 UNS S30815 253MA Flange 8 Inch 300 BL Welding Neck Flange Images

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