ASTM A681:2008 H21 Steel Flat Bar Listings

Grade Details

Grade	ASTM A681:2008 H21
Standard	ASTM A681:2008
Description	H21: hot work tool steel (UNS T20821). Specified in A681:2008.
Applications	Hot extrusion dies, hot forging dies for brass/bronze

Equivalent Grades

Grade	Standard	Region	Live Flat Bar on M-EX
EN ISO 4957 X30WCrV9-3	EN ISO 4957	Europe	No activity yet
BS 4659 BH21	BS 4659	UK	No activity yet
JIS G4404 SKD5	JIS G4404	Japan	No activity yet
ASTM A681 H22	ASTM A681	USA (ASTM)	No activity yet

Market Snapshot

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30D Offer Price

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ASTM A681:2008 H21 Flat Bar Deep Supply

Active ASTM A681:2008 H21 Flat Bar Listings (For Sale) 3

ASTM A681:2008 H21 Flat Bar

0.600 MT · Closes 29 Oct 2026

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ASTM A681:2008 H21 Flat Bar

1.300 MT · Closes 28 Oct 2026

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ASTM A681:2008 H21 Flat Bar

1.000 MT · Closes 30 Oct 2026

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No open buyer requirements for ASTM A681:2008 H21 Flat Bar at this time.

Related: All Flat Bar grades · Tool & Die Steels