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X2CrNiMo17-12-2 is an extra-low-carbon austenitic stainless steel grade defined under the European standard (EN 10088). Its most common and direct global equivalent is 316L stainless steel, as specified by American standards (AISI/ASTM). Within the European system, it is also designated by the material number (W-Nr.) 1.4404.

AISI 316 defines the specific chemical composition and material grade of the stainless steel, whereas ASTM 316 is a set of standards that govern the manufacturing, testing, dimensions, and product form (such as pipes, sheets, or tubes).

The global market price for 17-4 PH (UNS S17400 / Grade 630) stainless steel plate typically ranges from $3,500 to $9,500 per ton ($3.50 to $9.50 per kg), depending on thickness, processing method, and order volume.

When choosing between 310S and 253MA for high-temperature applications, pick 253MA for extreme cyclic heating, high creep strength, and harsh sulfur atmospheres. Choose 310S for steady, continuous high-temperature exposure where superior chromium content helps prevent heavy corrosion.

EN 1.4404 is the European standard designation for low-carbon austenitic stainless steel, with its American equivalent being AISI 316L. Available as a bar stock (round, flat, square, or hexagonal), it is designed for applications requiring excellent corrosion resistance, particularly suitable for applications involving welding, such as those requiring resistance to chloride and acid corrosion.