H21 Tool Steel | 1.2581 | 3Cr2W8V | 30WCrV9 | SKD5
H21 Tool steel is a hot work W-Cr-Mo Tungsten hot work steel belong to ASTM A681-1999 Steel Grade standard. H21 Special Steel China Supplier and factory Otai Special Steel Supply H21 Tool steel in Round bar, Plate, Flat bar, Square, Forging Ring and others any shape.
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