1.4301 steel provider

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.


2b finish

In such applications, 316 stainless will last longer than 304, offering you with additional years of life and utilization. If your application uses milder acids or does not contain salt publicity, stainless 304 is perfect. Below we list some frequent applications for each grades of metal. The two metal grades are comparable in look, chemical makeup and characteristics.

Is satin the same as brushed?

Bright Annealed (BA) is produced by heat-treating (annealing) steel with a controlled atmosphere furnace. BA stainless steel can be buffed to attain a more reflective finish, and is often specified for applications where a highly reflective surface is desired.


This achieves a low reflective matte floor appearance that’s ideal for industrial and engineering purposes but has totally different aesthetics than 2B. There is little knowledge on finishes of ferritic grades but basic observation reveals that for comparable thickness and ending processes, cold rolled 430 is brighter than 304. It isn’t identified if this difference extends to comparisons between more extremely alloyed grades. Most articles on finishes assume that normal grade austenitic stainless-steel is used.

It is mostly utilized in industrial functions, similar to tools for elevated temperature service. A bright, clean mirror-like end sometimes produced by chilly rolling followed by annealing in a protecting environment so as to forestall oxidation and scaling throughout annealing. A finish that’s designated “2BA” has been bright annealed and then passed between extremely polished rolls.

2b finish

  • Cold rolled, warmth handled, pickled and pinch passed – this is a shiny chilly rolled finish besides that the ultimate mild chilly rolling cross is completed using polished rolls.
  • It is very frequent in industrial, chemical and meals processing applications but additionally used in some architectural functions that will not be carefully examined for uniformity of finish.
  • A No. 2B end is the most broadly used stainless steel surface end and is produced very similar to the No. 2D finish.
  • The result’s a extra reflective finish that resembles a cloudy mirror.

Our stainless production range

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From the naked eye, it can be extremely tough to inform the distinction between grades of chrome steel. 304 and 316, in particular, look almost identical and the differences between the 2 are simple to miss. Below we reply that query and discuss completely different purposes the place the grades are used. The above finishes are a few of many mechanical finishes which are sometimes used within the metal finishing business. Both the NiDi No. 9012 and former revisions of ASME BPE specifications embody a listing that describes numerous mechanical surface finishes for stainless-steel.

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What is No 1 finish in stainless steel?

Surface roughness, also called surface texture or finish, is a trait of any surface. Surface roughness is typically indicated in RMS or microinches (µin) and is located on the left side of the symbol above the check mark. In the example below the roughness value is 32 RMS maximum and 16 RMS minimum.

A No. 2D is a refined floor finish that is achieved by chilly rolling, warmth treating and pickling. A No. 2D finish retains lubricants properly, making it interesting for deep drawing.

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