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KS D3867 SCM435 vs UNI 11234 100Cr6

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

KS D3867 SCM435 (KS D 3867:2025) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. KS D3867 SCM435 is typically used for shafts,bolts,studs,axles,gears,structural components,fasteners,machine parts, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. KS D3867 SCM435 is defined under Korean Industrial Standards (KS), originating from South Korea, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, KS D3867 SCM435 vs UNI 11234 100Cr6 is a 67.6% match. As per mechanical properties, the match is 15.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With KS D3867 SCM435:
NF A35-565 100C6 GOST 4543 12HN3A IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 GB/T 3077 12Cr2Ni4A IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
67.6%
MECHANICAL MATCH
15.3%
OVERALL
35%
Specifications
Property KS D3867 SCM435 UNI 11234 100Cr6
Standard KS D 3867:2025 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.33-0.38 0.93-1.05
Si (%) 0.15-0.35 0.15-0.35
Mn (%) 0.60-0.85 0.25-0.45
P (%) <=0.030 <=0.025
S (%) <=0.030 <=0.025
Cr (%) 0.90-1.20 1.35-1.65
Mo (%) 0.15-0.30 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property KS D3867 SCM435 UNI 11234 100Cr6
Tensile Strength 930-1080 MPa 750-1000 MPa
Yield Strength 785 MPa min 400-600 MPa
Elongation 12-15 % 10-14 %
Hardness 269-321 HB 60-64 HRC
Typical Applications
KS D3867 SCM435
shafts,bolts,studs,axles,gears,structural components,fasteners,machine parts
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can KS D3867 SCM435 Be Substituted With UNI 11234 100Cr6?
KS D3867 SCM435 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
KS D3867 SCM435
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5400–6000 mm (212.6–236.22 in)
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
KS D3867 SCM435
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D3867 SCM435 and UNI 11234 100Cr6?
KS D3867 SCM435 specifies Mo which is not specified for UNI 11234 100Cr6.
Can KS D3867 SCM435 be substituted with UNI 11234 100Cr6?
KS D3867 SCM435 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.