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Home Material YB /T 5135-2014
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Grade 3J9
Other Names
Corresponding Standard YB /T 5135-2014
Cold Drawn Wire of High Elastic Alloy 3J9 for Spring
Classification Alloy Steel
3J9 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo More
Minimum Value 0.22 1.3 1.8 - - 19 9 1.6 Fe:余量
Maximum Value 0.26 1.7 2.2 0.03 0.02 20.5 10.5 1.85
3J9 Mechanical Properties
diameter
d
mm		 Mark
Tensile Strength
σb
Mpa
0.4≤d≤0.8 - ≥2058
0.8<d≤1.8 Performance Group A 1450~1700
0.8<d≤1.8 Performance Group B ≥1666
1.8<d≤2.5 Performance Group A 1400~1650
1.8<d≤2.5 Performance Group B ≥1600
2.5<d≤3.5 - ≥1470
3.5<d≤6 - ≥1375
6<d≤8 - ≥1300
3J9 Corresponding Standards(Same grade name, different standards)
1 GB /T 15018-1994
3J9 3J09
2 YB /T 5135-2014
3J9 2Cr19Ni9Mo

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!