High Temperature Stainless Steel Forged Products F310h (UNS S31009, 25Cr, 20Ni)

• Temperature Classification: High Temperature Piping
• MPa Classfication: High Pressure Piping
• Material: Stainless Steel
• Standard: ASTM, GB, API
• Diameter: >720mm
• Medium: Gas
• Model NO.: 201, 202, 301, 321, 304, 304L, 304H, 316, 316Letc
• Cross-Section Shape: Round
• Connection Type: Seamless
• Types: Open Die Forging
• Transport Package: Wooden Case
• Specification: acc to the ASTM specifications or others
• Trademark: Tongji Engineering
• Origin: China
• HS Code: 7307930000
• Production Capacity: 50000PCS

Product Description

Standard: ASTM A182, A266, A105 or closer

Grades: A105, A266, F316L, F316, F304L, AISI 410, AISI 410S
F321, F44, F51, F53, F54, F55, F904L

Size: Diameter up to 5000mm, height: Up to 500mm. Others on the request.

Testing: Mechanical Test, Hardness Test, Inter-granular corrosion Test.
Ultrasonic Test, PT, MT, or as requirement.


Maitan Forged Stainless Steel/ Alloy Steel Ring, Flanges, Blocks, Discs are typically made from forged matetials and machined according to standard dimensions. These parts are widely used to connect process equipment, piping lines to each other and other special fluid applications.


We always seek and improve our service as per requirement of our valued customers.

Commodity	Flange, Disc, Forging Fitting,Block, Tubesheet, Special Forging
Process method	Forged, CNC Machined,
Materials Grades	F316L, F316, F304L, AISI 410, AISI 410S F321, F44, F51, F54, F55, F904L etc
Standards:	ASTM A182 ,A266, A105 or closer
Forged Size	Ring: OD up to 2000 mm, High to 500 mm or as per drawing.  Flange:NPS 1/2" to 48" or as per drawing.  Fitting: NPS 1/2" to 48" or as per drawing Disc & Block: as the request.
Condition	Anneal, Normalize, Normalize+Temper, Quench+ Temper, as requirements
Inspection Testing	Mechanical Test, Hardness Test, Inter-granular corrosion Test. Ultrasonic Test, PT, MT, Hydraulic Test, or as required
Certificate	EN 1024 3.1/ 3.1B/ 3.2, PED, DNV, TUV.
Packing	Wooden case/ Steel framed plywood case/ simple packing.
Delivery Time	By mutual agreement.
We also can provide High quality Special Alloys forgings as well as non-standards forgings.