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Grade St42
Germany W-Nr. 1.0140
Corresponding Standard DIN 1652-1963
Bright Non-Alloy Steel - Technical Delivery Conditions
Classification Carbon Steel
St42 Chemical Element Composition Content (%)
Component C P S N *
Minimum Value - - - -
Maximum Value 0.25 0.08 0.05 0.08
St42 Mechanical Properties
thickness
t
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
t≤5 St42 K Cold Drawn and Without Heat Treatment (K) 600~900 ≥500 ≥6
5<t≤10 Cold Drawn and Without Heat Treatment (K) 550~850 ≥450 ≥7
10<t≤16 Cold Drawn and Without Heat Treatment (K) 550~850 ≥390 ≥7
16<t≤25 Cold Drawn and Without Heat Treatment (K) 550~800 ≥350 ≥8
25<t≤40 Cold Drawn and Without Heat Treatment (K) 500~750 ≥310 ≥9
40<t≤80 Cold Drawn and Without Heat Treatment (K) 450~700 ≥270 ≥11
t>80 Cold Drawn and Without Heat Treatment (K) By Agreement By Agreement By Agreement
10<t≤16 St42 SH Peeling and No Heat Treatment (SH) 420~500 ≥260 ≥22
16<t≤40 Peeling and No Heat Treatment (SH) 420~500 ≥250 ≥22
40<t≤100 Peeling and No Heat Treatment (SH) 420~500 ≥240 ≥22
t>100 Peeling and No Heat Treatment (SH) ≥420 By Agreement By Agreement
t≤25 St42 K+G；St42 SH+G Cold Drawn and Annealed (K+G) or Descaled and Annealed (SH+G) 390~500 ≥220 ≥22
25<t≤100 Cold Drawn and Annealed (K+G) or Descaled and Annealed (SH+G) 420~500 ≥240 ≥22
t>100 Cold Drawn and Annealed (K+G) or Descaled and Annealed (SH+G) ≥420 By Agreement By Agreement
t≤100 St42 K+N；St42 SH+N Cold Drawn and Normalized (K+N) or Pickled and Normalized (SH+N) 420~500 ≥240 ≥22
t>100 Cold Drawn and Normalized (K+N) or Pickled and Normalized (SH+N) ≥420 By Agreement By Agreement

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