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Grade Cq35
Germany W-Nr. 1.1172
Corresponding Standard DIN 1654-4-1989
Classification Carbon Steel
Cq35 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.32 - 0.5 - -
Maximum Value 0.39 0.4 0.8 0.035 0.035
Cq35 Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Impact Energy Absorption
KV2
J
Steel Spheroidizing Annealing (GKZ) or Spheroidizing Annealing + Peeling (GKZ+SH) ≤570 ≥62
Steel Cold drawing + Spheroidizing Annealing (K+GKZ) ≤550 ≥64
Steel Cold drawing + Spheroidizing annealing + Skinning (K+GKZ+K) ≤570 ≥64
d≤16 Quenching and Tempering 630~780 ≥430 ≥17 ≥40 KU: ≥29
KV: ≥35
16＜d≤40 Quenching and Tempering 600~750 ≥370 ≥19 ≥45 KU: ≥29
KV: ≥35
40＜d≤100 Quenching and Tempering 550~700 ≥320 ≥20 ≥50 KU: ≥29
KV: ≥35
New and Old Grade Replacement List
Corresponding Standard Grade
DIN 1654-4-1989
Grade
Germany W-Nr.
DIN EN 10263(4)-2002
Grade
Germany W-Nr.
Old Grade
DIN EN 10263-4-2017
Grade
Germany W-Nr.
Old Grade
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ML35 U40352 SWRCH35K SWRCH35K SWRCH35K 1034 G10340 CE35E4
(C3) 		Cq35
(C35C) 		1.1172 XC38
FR36 		35 1/2
2 Approximate Comparison Table
Germany European Standard Russia
DIN EN/DIN EN Numerical Grade GOST
Cq35 C35EC 1.1172 35
Cq35 Corresponding Standards(Same grade name, different standards)
1 DIN EN 10263-4-2002
(Cq 35) C35EC 1.1172
2 DIN EN 10263-4-2018
(Cq 35) C35EC 1.1172
3 DIN 17240-1976
Cq 35 1.1172
4 DIN 1654-4-1989
Cq35 1.1172

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