AISI H21 Steel - Specifications, Equivalents & Listings

Forms: Round Bar Flat Bar Category: Tool & Die Steels

Grade Details

Grade	ASTM A681 H21 / AISI H21
Standard	ASTM A681
Description	Tungsten hot work tool steel
Applications	Hot extrusion dies, hot forging dies for brass/bronze

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
X30WCrV9-3	DIN	Germany	2 listings, 0 RFQs →
BH21	BS	UK	2 listings, 0 RFQs →
SKD5	JIS	Japan	2 listings, 0 RFQs →

Market Snapshot

7D Offer Price

▼ -0.3%

15D Offer Price

▼ -0.3%

30D Offer Price

▼ -0.4%

Flat Bar →

Supply, no demand

Round Bar →

Balanced

Chemical Composition (%)

C	Mn	Si	Cr	W	V	P	S
0.26–0.36	0.15–0.40	0.15–0.50	3.00–3.75	8.50–10.00	0.30–0.60	≤0.030	≤0.030

Mechanical Properties

Typical Available Sizes

Round Bar	16mm–300mm dia
Flat Bar	20×10mm–300×100mm

Sizes are indicative. Contact seller for exact availability.

Active ASTM A681 H21 / AISI H21 Listings on M-EX (For Sale)

ASTM A681 H21 / AISI H21 Flat Bar

0.900 MT

View Listing

ASTM A681 H21 / AISI H21 Flat Bar

1.300 MT

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ASTM A681 H21 / AISI H21 Flat Bar

0.700 MT

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No open buyer requirements for ASTM A681 H21 / AISI H21 at this time.