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EN 10088-3 X39CrMo17-1 vs BS 970 (Part 1) 416S21

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

EN 10088-3 X39CrMo17-1 (EN 10088-3:2014) and BS 970 (Part 1) 416S21 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Stainless Steel category. EN 10088-3 X39CrMo17-1 is typically used for general purposes, semi-finished products, bars, rods, wire, sections and bright products, while BS 970 (Part 1) 416S21 is commonly used for ferritic and martensitic stainless and heat resisting steel (section five). EN 10088-3 X39CrMo17-1 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 1) 416S21 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10088-3 X39CrMo17-1 vs BS 970 (Part 1) 416S21 is a 71.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With EN 10088-3 X39CrMo17-1:
ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
71.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property EN 10088-3 X39CrMo17-1 BS 970 (Part 1) 416S21
Standard EN 10088-3:2014 BS 970 (Part 1):1991
Category Stainless Steel Stainless Steel
C (%) 0.33-0.45 0.09-0.15
Si (%) <=1.00 <=1.0
Mn (%) <=1.50 <=1.5
P (%) <=0.040 <=0.060
S (%) <=0.030 0.15-0.35
Cr (%) 15.5-17.5 11.5-13.5
Mo (%) 0.80-1.30 <=0.60
Ni (%) <=1.00 <=1.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10088-3 X39CrMo17-1 BS 970 (Part 1) 416S21
Tensile Strength <=900 MPa Not specified
Hardness <=280 HB Not specified
Condition Annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, size range not stated; hardness for guidance only Not specified
Typical Applications
EN 10088-3 X39CrMo17-1
General purposes, semi-finished products, bars, rods, wire, sections and bright products
BS 970 (Part 1) 416S21
Ferritic and martensitic stainless and heat resisting steel (section five)
Can EN 10088-3 X39CrMo17-1 Be Substituted With BS 970 (Part 1) 416S21?
EN 10088-3 X39CrMo17-1 and BS 970 (Part 1) 416S21 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.
On M-EX Right Now
EN 10088-3 X39CrMo17-1
0 active listings and RFQs →
BS 970 (Part 1) 416S21
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10088-3 X39CrMo17-1 and BS 970 (Part 1) 416S21?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10088-3 X39CrMo17-1 be substituted with BS 970 (Part 1) 416S21?
EN 10088-3 X39CrMo17-1 and BS 970 (Part 1) 416S21 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.