Astm A312 Tp304 Seamless Stainless Steel Pipe, Asme Sa312 304 Erw Pipe
ASTM A 312 standard covers seamless steel pipe and straight-seam welded steel pipe manufactured for prime-temperature and common corrosive service, it belongs to austenitic chrome steel household. covers seamless, straight-seam welded, and heavily chilly labored welded austenitic chrome steel pipe supposed for high-temperature and common corrosive service. In addition to being non-magnetic, austenitic stainless steels usually are not warmth treatable. They can be cold labored to enhance hardness, power, and stress resistance, nevertheless.
Austenitic stainless steels are divided into the collection 200 (chromium-manganese-nickel alloys) and 300 (chromium-nickel alloys like 304, 309, 316, 321, 347, and so on). Grade 304/304L is the commonest austenitic stainless steel that suits most corrosive applications. Any different grade within the 300 sequence enhances the basic features of SS304. This specification covers seamless, straight-seam welded, and closely cold labored welded chrome steel pipe supposed for top-temperature and general corrosive service.
Stock Thickness: 0.1-200.0mm
Production thickness: 0.5.0-200mm
Width: 600-3900mm
Length: 1000-12000mm
Grade:
200 series: 201,202
300 series: 301,304,304L,304H,309,309S,310S,316L,316Ti,321,321H,330
400 series: 409,409l,410,420J1,420J2,430,436,439,440A/B/C
Duplex: 329,2205,2507,904L,2304
Surface: No.1,1D,2D,2B,NO.4/4K/hairline,satin,6k,BA,mirror/8K
We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.
Our stainless production range
chromium and nickel in stainless steel
- Tensile properties of the material shall conform to the prescribed tensile energy and yield strength.
- The steel pipe shall bear mechanical exams such as transverse or longitudinal tension check and flattening check.
- All pipes shall be furnished within the warmth-handled situation in accordance with the required warmth treating temperature and cooling/testing necessities.
- Grain size determination and weld decay checks shall be carried out.
- This information covers commonplace specification for seamless, straight-seam welded, and chilly worked welded austenitic stainless steel pipe intended for top-temperature and common corrosive service.
We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.
Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean
There are chilly labored and annealed kinds of pipes in the 304 grade of steel. The common attribute of stainless steels is that they present resistance to corrosion because of an outer chromium oxide layer. Such oxide acts like a microscopic safety layer that reacts with oxygen and blocks corrosion. Further, chrome steel alloys characteristic higher toughness in cryogenic purposes than carbon steel, higher power and hardness, improved ductility and low maintenance costs.
AS1528, Parts 1 to 4 Tubes and tube fittings for the meals business. Standard Description ASTM A182/A182M Forged or rolled alloy steel pipe flanges, cast fittings and valves and components for top temperature service.
Duplex and super duplex stainless steels are weldable and have average formability. These kinds of stainless steels are magnetic but to a lower extent than ferritic, martensitic and precipitation hardening grades as a result of 50% austenitic content. Martensitic stainless steels are just like ferritic steels as they both have outstanding chromium content material, however, martensitic steels have larger carbon content up to 1%. The high carbon content allows martensitic steels to be hardened and tempered as standard carbon and chrome alloy steels . Even if austenitic steels are usually non-magnetic, they will show some magnetic property based mostly on the precise alloy composition and the work hardening given throughout production.
What is duplex pipe?
Here are some examples: A312 TP304 TP = tubular product. A403 WP304 WP = wrought product. A351 CF8M C = casting. A182 F304 F = forging.
Our stainless production range