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BS 970 (Part 1) 527A17 vs UNI 11234 100Cr6

Minimal Match — 45.7% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 527A17 (BS 970 (Part 1):1991) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 527A17 is typically used for case hardening steel (section four), while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. BS 970 (Part 1) 527A17 is defined under British Standards (BS), originating from United Kingdom, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, BS 970 (Part 1) 527A17 vs UNI 11234 100Cr6 is a 68.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 45.7%.

Frequently Compared With BS 970 (Part 1) 527A17:
IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
68.6%
MECHANICAL MATCH
0%
OVERALL
45.7%
Specifications
Property BS 970 (Part 1) 527A17 UNI 11234 100Cr6
Standard BS 970 (Part 1):1991 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.93-1.05
Mn (%) 0.70-0.90 0.25-0.45
Cr (%) 0.70-0.90 1.35-1.65
Si (%) Not specified 0.15-0.35
P (%) Not specified <=0.025
S (%) Not specified <=0.025
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 527A17 UNI 11234 100Cr6
Condition Case hardened, 19 mm test bar Not specified
Tensile Strength 770 MPa min 750-1000 MPa
Elongation 12 % min 10-14 %
Yield Strength Not specified 400-600 MPa
Hardness Not specified 60-64 HRC
Typical Applications
BS 970 (Part 1) 527A17
Case hardening steel (section four)
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can BS 970 (Part 1) 527A17 Be Substituted With UNI 11234 100Cr6?
BS 970 (Part 1) 527A17 and UNI 11234 100Cr6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
BS 970 (Part 1) 527A17
No active listings currently.
UNI 11234 100Cr6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6800 mm (224.41–267.72 in)
On M-EX Right Now
BS 970 (Part 1) 527A17
0 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 527A17 and UNI 11234 100Cr6?
UNI 11234 100Cr6 specifies Si, P, S which are not specified for BS 970 (Part 1) 527A17.
Can BS 970 (Part 1) 527A17 be substituted with UNI 11234 100Cr6?
BS 970 (Part 1) 527A17 and UNI 11234 100Cr6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.