Post Stock Login Register

BS 970 (Part 1):1983 805A22 Steel: Specifications & Listings

BS 970 (Part 1):1983 805A22: 805A22 is a case hardening alloy steel grade specified in BS 970 Part 1:1983 (Table 11, category 1).

Category: Alloy Steel
Grade Details
GradeBS 970 (Part 1):1983 805A22
Standard BS 970 (Part 1):1983
ApplicationsCase hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
GOST 4543 20HNM GOST 4543-2016 Russia 2 listings, 0 RFQs →
SAE J404 8622 SAE J404:2009 USA No activity yet
SAE J404 8630 SAE J404:2000 USA No activity yet
BS 970 (Part 1) 805A22 BS 970 (Part 1):1991 UK No activity yet
AISI 8620 AISI USA 2 listings, 0 RFQs →
IS 4367 20NiCrMo2 IS 4367:1991 India 1 listing, 1 RFQ →
IS 4432 20Ni2Cr2Mo2 IS 4432:1988 India No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 805A22 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 805A20 BS 970 (Part 1):1983 Strong Match
SAE J404 8622 SAE J404:2009 Strong Match
SAE J404 8622 SAE J404:2000 Strong Match
BS 970 (Part 1) 805A20 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 805A17 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 805A17 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 805M22 BS 970 (Part 1):1983 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn Cr Mo Ni P S
0.20-0.25 0.70-0.90 0.40-0.60 0.15-0.25 0.40-0.70 <=0.035 <=0.040

More data from BS 970 (Part 1):1983

From the standard
Other composition limits
Phosphorus and sulphur
P 0.035 max, S 0.040 max, alloy steels (clause 1.7.2.1)
Residual elements: see clause 1.7.3.
Source: BS 970 (Part 1):1983, clause 1.7.2.1
Mechanical properties, test bar
Test bar diameter (mm)Rm min (N/mm2)A min (%)Izod min (ft lbf)KCV min (J)
19930101011
Values as printed in Table 11 for the test bar diameter shown. 1 N/mm2 = 1 MPa.
Source: BS 970 (Part 1):1983, Table 11
Comparison with earlier editions
BS 970:1970/72 designation
805A22
BS 970:1955 En No.
None
Appendix D note 47: where a comparison is made the steels are not necessarily equivalent. 'Not listed' means the earlier edition has no entry under this designation.
Source: BS 970 (Part 1):1983, Appendix D

Active BS 970 (Part 1):1983 805A22 Listings on M-EX (For Sale)

+ Create a Listing for this grade

No active BS 970 (Part 1):1983 805A22 listings at this time.

Register for Alerts

Buyer RFQs for BS 970 (Part 1):1983 805A22

+ Post an RFQ for this grade

No open buyer requirements for BS 970 (Part 1):1983 805A22 at this time.

Register for Alerts