55NiCrMoV7 is belongs to Alloy tool steel under the Chinese standard of GB/T 1299-2000 , it mainly add the chromium, molybdenum, tungsten, vanadium and other alloying elements to improve the harden ability and toughness in carbon tool steel .
ASTM A242 steel is a high-strength low-alloy structural steel (HSLA) formulated for primary forming into wrought products. ASTM A242 HSLA steel is available in steel shapes, plates, and bars with atmospheric corrosion resistance.
ISG4304 SUS 410 stainless steel belongs to MARTENSITIC SERIES. The material have more than 17 years history on KUNFENG. KUNFENG is one of the best suppliers of JISG4304 SUS 410 MARTENSITIC stainless steel coil/plates.
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