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Grade 17CrNi6-6
Corresponding Standard ISO 4954-1-2024
Steels for Cold Heading and Cold Extruding - Technical Delivery Conditions - Part1: Non-Alloy and Alloy Steels
Classification Alloy Steel
17CrNi6-6 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value 0.14 - 0.5 - - 1.4 1.4 -
Maximum Value 0.2 0.3 0.9 0.025 0.025 1.7 1.7 0.25
17CrNi6-6 Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Reduction of Area
ψ
% 		Hardness
HBW
5＜d≤40 +AC ≤600 ≥60
5＜d≤40 +FP 156~207
2≤d≤5 +AR+C+AC ≤600 ≥62
5＜d≤40 ≤580 ≥62
2≤d≤5 +AR+C+AC+LC ≤640 ≥60
5＜d≤40 ≤620 ≥60
5＜d≤10 +AC+C ≤720 ≥57
10＜d≤40 ≤710 ≥57
①+AR=as hot-rolled；+AR or +PE=as hot-rolled or peeled；+AR+C=as hot-rolled+cold drawn；+AR+C+AC=as hot-rolled+cold drawn+spheroidized；+AR+C+AC+LC=as hot-rolled+cold drawn+spheroidized+skin passed；+AC= spheroidized ；+AC or +AC+PE=spheroidized or spheroidized+peeled；+AC+C=spheroidized +cold drawn；+FP=treated to ferrite-pearlite structure and hardness range；+AC+C+AC=spheroidized +cold drawn + spheroidized；+AC+C+AC+LC=spheroidized +cold drawn + spheroidized + skin passed
1 Approximate Comparison Table Hardenability Guaranteed Structural Steel
China International Organization for Standardization Germany European Standard
GB ISO DIN EN/DIN EN Numerical Grade
17Cr2Ni2H 17CrNi6-6 15CrNi6 17CrNi6-6 1.5918
2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
International Organization for Standardization European Standard
ISO EN Numerical Grade
17CrNi6-6 17CrNi6-6 1.5918
17CrNi6-6 Corresponding Standards(Same grade name, different standards)
1 EN 10084-1998
17CrNi6-6 1.5918
2 EN 10263-3-2001
17CrNi6-6 1.5918
3 DIN EN 10263-3-2018
17CrNi6-6 1.5918
4 EN 10263-3-2017
17CrNi6-6 1.5918
5 DIN EN ISO 683-3-2019
17CrNi6-6
6 ISO 683-3-2019
17CrNi6-6
7 DIN EN 10084-2008
17CrNi6-6 1.5918
8 ISO 4954-2018
17CrNi6-6
9 NF EN 10084-2008
17CrNi6-6 1.5918 (16CN6)
10 ISO 4954-1-2024
17CrNi6-6

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