BS 4659 BH21 Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Tool & Die Steels

Grade Details

Grade	BS 4659 BH21
Standard	BS 4659
Description	British tungsten hot work tool steel
Applications	Hot extrusion dies, brass/bronze forging dies

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
H21	AISI	USA	3 listings, 0 RFQs →
X30WCrV9-3	DIN	Germany	2 listings, 0 RFQs →
AISI H21	AISI	USA	3 listings, 0 RFQs →
DIN X30WCrV93	DIN 17350	Germany	2 listings, 0 RFQs →
JIS SKD5	JIS G4404	Japan	2 listings, 0 RFQs →
GOST 3H2W8F	GOST 5950	Russia	2 listings, 0 RFQs →
GB/T 3Cr2W8V	GB/T 1299	China	2 listings, 0 RFQs →

Round Bar →

Balanced

Chemical Composition (%)

C	Mn	Cr	W	V
0.26–0.36	0.15–0.40	3.00–3.75	8.50–10.00	0.30–0.60

Mechanical Properties

Hardness HRC (hardened)	36–54
Hardness HB (annealed)	≤229

Typical Available Sizes

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

Sizes are indicative. Contact seller for exact availability.

Active BS 4659 BH21 Listings on M-EX (For Sale)

BS 4659 BH21 Round Bar

0.500 MT

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BS 4659 BH21 Round Bar

1.900 MT

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No open buyer requirements for BS 4659 BH21 at this time.