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KS D3867 SCM415 vs EN ISO 683-17 20CrMo4

Close Alternative — 81.3% match based on chemical composition and mechanical property overlap.

KS D3867 SCM415 (KS D 3867:2025) and EN ISO 683-17 20CrMo4 (EN ISO 683-17:2014) are both steel grades. Both fall under the Alloy Steel category. KS D3867 SCM415 is typically used for gears, shafts, camshafts, piston pins, precision machine components requiring hard surface and tough core., while EN ISO 683-17 20CrMo4 is commonly used for used in gears, shafts, axles, high-tensile bolts, and structural components.. KS D3867 SCM415 is defined under Korean Industrial Standards (KS), originating from South Korea, while EN ISO 683-17 20CrMo4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, KS D3867 SCM415 vs EN ISO 683-17 20CrMo4 is a 81.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 81.3%.

Frequently Compared With KS D3867 SCM415:
UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 7) 12Cr4Mo5H GOST 4543 12HN3A IS 11169 (Part 1) 12Cr4Mo2 GB/T 3077 12Cr2Ni4A IS 1570 (Part 7) 12Cr9Mo10H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
81.3%
MECHANICAL MATCH
No shared data
OVERALL
81.3%
Specifications
Property KS D3867 SCM415 EN ISO 683-17 20CrMo4
Standard KS D 3867:2025 EN ISO 683-17:2014
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 0.18-0.23
Mn (%) 0.6-1.2 0.60-0.90
Si (%) 0.1-0.35 <=0.40
P (%) max 0.03 <=0.035
S (%) max 0.03 <=0.035
Cr (%) 0.15-0.35 0.90-1.20
Mo (%) 0.15-0.3 0.15-0.25
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 SCM415 EN ISO 683-17 20CrMo4
Tensile Strength Not specified 700-850 MPa
Yield Strength Not specified 500 MPa min
Elongation Not specified 14% min
Hardness Not specified 207-248 HB
Typical Applications
KS D3867 SCM415
Gears, shafts, camshafts, piston pins, precision machine components requiring hard surface and tough core.
EN ISO 683-17 20CrMo4
Used in gears, shafts, axles, high-tensile bolts, and structural components.
Can KS D3867 SCM415 Be Substituted With EN ISO 683-17 20CrMo4?
KS D3867 SCM415 and EN ISO 683-17 20CrMo4 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
KS D3867 SCM415
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–5700 mm (204.72–224.41 in)
EN ISO 683-17 20CrMo4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–6400 mm (204.72–251.97 in)
On M-EX Right Now
KS D3867 SCM415
2 active listings and RFQs →
EN ISO 683-17 20CrMo4
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D3867 SCM415 and EN ISO 683-17 20CrMo4?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can KS D3867 SCM415 be substituted with EN ISO 683-17 20CrMo4?
KS D3867 SCM415 and EN ISO 683-17 20CrMo4 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.