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High-strength steels
Category · 128 grades

High-strength steels

High-strength steels are steels designed to carry high loads while resisting deformation. They are used for load-bearing structures, vehicles and machinery where strength, durability and reduced material weight are important.

GradeMaterial no.CPSMnSiCr
SH590P—max 0.12max 0.03max 0.03max 2max 0.4—
SPFH590Y———————
SEV295—max 0.19max 0.02max 0.020.8 - 1.60.15 - 0.6—
SBHS500—max 0.11max 0.02max 0.006max 2max 0.55—
SHY685—max 0.18max 0.03max 0.025max 1.5max 0.55max 1.2
SPFC340———————
SPFC590Y———————
SPFC340H———————
SPFH540Y———————
SEV245—max 0.2max 0.02max 0.020.8 - 1.60.15 - 0.6—
SBHS400W—max 0.15max 0.02max 0.006max 20.15 - 0.550.45 - 0.75
SBHS700W—max 0.11max 0.015max 0.006max 20.15 - 0.550.45 - 1.2
SFT590—max 0.2max 0.03max 0.03max 1.5max 0.35—
SPFC540Y———————
SPFC980Y———————
STKT590—max 0.12max 0.03max 0.03max 2max 0.4—
SBHS400—max 0.15max 0.02max 0.006max 2max 0.55—
SBHS700—max 0.11max 0.015max 0.006max 2max 0.55—
SHY685NS—max 0.14max 0.015max 0.015max 1.5max 0.55max 0.8
SPFC490Y———————
SH590S—max 0.18max 0.035max 0.03max 1.8max 0.4—
SEV345—max 0.19max 0.02max 0.020.8 - 1.70.15 - 0.6—
SBHS500W—max 0.11max 0.02max 0.006max 20.15 - 0.550.45 - 0.75
SHY685N—max 0.18max 0.03max 0.025max 1.5max 0.55max 0.8
SPFC370———————
SPFC780Y———————
36Mn71.5069~0,350,0250,025~1,60~0,50—
51Mn71.5085~0,550,0250,025~1,90~0,60—
L1751.8700≤0,210,030,03≤0,60—≤0,50
20MnCr5-31.8701≤0,240,0350,035≤1,60≤0,700,50-1,20
21MnCr5-41.8702≤0,250,0350,035≤1,70≤0,700,50-1,20
20MnCr6-41.8703≤0,230,0250,0251,20-2,000,30-0,700,80-1,30
20MnCr6-51.8704≤0,240,0350,035≤1,90≤0,700,60-1,40
21MnCr6-51.8705≤0,250,0250,025≤1,90≤0,700,80-1,60
21MnCr7-51.8706≤0,250,0350,035≤2,00≤0,700,80-1,60
L175P1.8707≤0,210,080,03≤0,60—≤0,50
20MnCrNiMo6-31.87080,16-0,220,0350,0351,30-1,550,15-0,350,60-0,75
16CrMo5-21.8709≤0,200,0150,005≤1,600,30-0,601,00-1,60
21CrMo5-21.8710≤0,260,0150,005≤1,600,30-0,601,00-1,60
21MnCr4-31.8711≤0,200,0250,025~1,00~0,70~0,80
16MnCr5-31.87120,09-0,220,0250,0250,60-1,700,20-0,600,50-1,00
L2101.8713≤0,220,030,03≤0,90—≤0,50
18MnCr4-31.8714≤0,200,0250,01≤1,50≤0,80≤1,00
17MnCr5-31.8715≤0,180,0250,025≤1,80≤0,50≤1,00
16MnCrMo3-21.87160,12-0,210,0250,0250,70-1,000,20-0,350,40-0,65
16MnCrMo4-31.87170,12-0,210,0250,0250,95-1,300,20-0,350,40-0,65
17NiCrMnMo5-51.87180,14-0,210,0250,0250,95-1,300,15-0,351,00-1,50
15MnCrMo3-21.87190,10-0,200,0250,0250,60-1,000,15-0,350,40-0,65
18MnCr5-31.87200,09-0,220,0250,0250,60-1,700,20-0,600,50-1,00
26MnCr6-31.8721≤0,300,0250,025≤1,80≤0,50≤1,00

Standards covering this category

12

Property ranges

5
PropertyUnitMinMaxGrades
ReHN/mm²3909608
RmN/mm²340115034
ReN/mm²17570026
A%63527
rhog/cm³7.857.85102

Derived from 102 grades in this category with a recorded value.

Composition range

17
PropertyUnitMinMaxGrades
B%0.00020.00527
C%0.090.5562
N%0.0060.02517
Al%0.0150.058
Si%0.150.859
P%0.0150.0862
S%0.0050.03562
Ti%0.010.0514
V%0.030.230
Cr%0.31.650
Mn%0.6262
Ni%0.05236
Cu%0.151.529
Zr%0.150.156
Nb%0.030.0618
Mo%0.1148
W%0.11.53

Derived from 62 grades in this category with a recorded value.

Related guides

2