Pipes General

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.

a312 steel

Tensile properties of the fabric shall conform to the prescribed tensile power and yield energy. The steel pipe shall undergo mechanical exams similar to transverse or longitudinal pressure test and flattening test. Grain measurement dedication and weld decay checks shall be carried out. Each pipe shall even be subjected to the nondestructive electrical take a look at or the hydrostatic take a look at. This kind of stainless steel is commonly used in the heat exchangers, oil and gasoline trade, chemical processing equipment, offshore platforms, pressure vessels, and boilers.

These dimensions are also relevant to heavily cold labored pipe. Pipe having dimensions is permitted to be ordered and furnished offered such pipe complies with all other necessities of this specification. Nearly, every certainly one of us has heard of stainless-steel or will need to have used it in some or the way in which. But, there isn’t a doubt in saying that not everyone seems to be familiar with its significance and its types. There are several benefits associated with stainless steel which in turn makes it one of the most demanding supplies within the industrial sector.

Stainless Steel Types

This resistance is extremely necessary for providers similar to marine environments, brackish water, bleaching operations, closed loop water techniques and a few food processing applications. The excessive chromium, molybdenum and nitrogen contents of 2205 provide resistance superior to widespread stainless steels, corresponding to, 316L and 317L in most environments.


  • This information covers normal specification for , straight-seam welded, and cold worked welded austenitic stainless-steel pipe supposed for high- and corrosive service.
  • Several grades of steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, titanium, columbium, tantalum, nitrogen, vanadium, , cerium, boron, aluminum, and others.
  • Tensile properties of the material shall conform to the prescribed tensile power and yield energy.
  • All pipes shall be furnished in the heat-handled condition in accordance with the required heat treating temperature and cooling/ requirements.

Thickness: 0.1-200.0mm
Production thickness: 0.5.0-200mm
Width: 600-3900mm
Length: 1000-12000mm
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

Grade 2205 duplex will usually carry out well in environments which trigger untimely failure of the usual austenitic grades of sequence 300 stainless-steel. It has additionally stronger resistance to seawater corrosion, in comparison with stainless-steel 316. Martensitic stainless steels are similar to ferritic steels as they both have exceptional chromium content material, nonetheless, martensitic steels have higher carbon content as much as 1%. The excessive carbon content allows martensitic steels to be hardened and tempered as normal carbon and chrome alloy steels (but present generally low weldability and ductility).

The resistance to corrosion may be further improved by augmenting the percentage of chrome, moly, and nitrogen to the bottom alloy. The designation of “duplex” comes with the biphasic structural structure of the austenitic and ferritic part of each in equal portions. This kind of stainless-steel is considered finest and it is extensively chosen over the austenitic and ferritic stainless steel due to its elevated energy. Because of its elevated strength, the thinner sections could be simply created that in flip provide important weight financial savings.

Any different grade in the 300 collection enhances the fundamental features of SS304. covers seamless, straight-seam welded, and heavily cold labored welded austenitic chrome steel pipe intended for prime-temperature and general corrosive service.

Even if austenitic steels are usually non-magnetic, they’ll show some magnetic property based on the precise alloy composition and the work hardening given during manufacturing. Austenitic stainless steels are divided into the sequence 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 chrome steel that suits most corrosive purposes.

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 :
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

a312 steel
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