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Standard GB /T 699-1999 Quality Carbon Structural Steels
Standard GB /T 1222-2007 Spring Steels
Standard GB /T 699-2015 Quality carbon structure steels
Standard GOST 14959-1979 CARBONACEOUS AND ALLOYED SPRING ROLLED STEEL SPECIFICATIONS
Standard GB /T 1222-2016 Spring steels
Standard GB 3525-1983 Cold-rolled spring and steel strips
Standard YB /T 5058-2005 Cold-rolled spring and tool steel strips


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
GB /T 1222-2007
Spring Steels
85
(U20852)
 
Min
Max
GB /T 699-1999
Quality Carbon Structural Steels
85
(U20852)
(85#)
 
Min
Max
GOST 14959-1979
CARBONACEOUS AND ALLOYED SPRING ROLLED STEEL SPECIFICATIONS
85
 
Min
Max
GB /T 699-2015
Quality carbon structure steels
85
(U20852)
 
Min
Max
GB /T 1222-2016
Spring steels
85
(U20852)
 
Min
Max
YB /T 5058-2005
Cold-rolled spring and tool steel strips
85
 
Min
Max
GB 3525-1983
Cold-rolled spring and steel strips
85
 
Min
Max
For Reference Only