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ASTM A681 D2 KNL Steel: Specifications & Listings

ASTM A681 D2 KNL: D2 KNL is a premium quality AISI D2 grade cold work tool steel produced by Kalyani (KNL), India. High carbon high chromium cold work tool steel. Excellent wear resistance, high compressive strength and good dimensional stability during hardening. Equivalent to DIN 1.2379, Cr12MoV.

Forms: Round Bar Flat Bar Category: Tool & Die Steels
Grade Details
GradeASTM A681 D2 KNL
Standard ASTM A681
ApplicationsBlanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Most Active InCentral (Madhya Pradesh)
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
DIN EN ISO 4957 1.2379 DIN EN ISO 4957:2018-11 Close Alternative
ASTM A681 A5 ASTM A681:2008 Related Material
DIN 17200 30CrMoV9 DIN 17200:1986 Related Material
BS 970 (Part 1) 708A37 BS 970 (Part 1):1983 Related Material
BS 970 (Part 1) 708M40 BS 970 (Part 1):1991 Related Material
BS 970 (Part 1) 709M40 BS 970 (Part 1):1991 Related Material
IS 1570 (Part 4) XT160Cr48 IS 1570 (Part 4):1988 Related Material
IS 1570 (Part 7) 12Cr9Mo10H IS 1570 (Part 7):1992 Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn Si Cr Mo V S P
1.40–1.60 ≤0.60 ≤0.40 11.00–13.00 0.70–1.20 ≤1.00 ≤0.030 ≤0.030
Mechanical Properties
Hardness (annealed) ≤255 HB
Hardness (hardened) 58–62 HRC
Compressive Strength 2600 MPa
Typical Available Sizes
Round Bar 16mm–300mm dia
Flat Bar various
Square Bar various
Forging Custom sizes
Sizes are indicative. Contact seller for exact availability.

Popular forms for this grade:

Round Bar (2)

Active ASTM A681 D2 KNL Listings on M-EX (For Sale)

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ASTM A681 D2 KNL Round Bar
1.000 MT
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ASTM A681 D2 KNL Round Bar
0.700 MT
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