High strength tensile strength hot-rolled steel sheets
(General symbol: SP250)
Chemical composition
Grade
Chemical composition
C
Mn
P
S
RP251-540/SP251-540
–
–
≤0.030
≤0.030
RP252-540/SP252-540
–
–
≤0.030
≤0.030
RP252-540F/SP252-540F
–
–
≤0.030
≤0.020
RP251-590/SP251-590
≤0.10
–
≤0.030
≤0.030
RP253-590/SP253-590
≤0.10
–
≤0.030
≤0.030
RP254-590/SP254-590
–
–
≤0.030
≤0.030
Mechanical properties
Grade:RP251-540/SP251-540
Mechanical properties
Thickness
<1.6mm
1.6mm-2.0mm
2.0mm-3.2mm
3.2mm-6.3mm
≥6.3mm
Yield point(MPa)
510
500
490
480
470
Elongation%
25
26
27
28
29
Tensile strength(MPa): ≥540
Grade:RP252-540/SP252-540
Mechanical properties
Thickness
<1.6mm
1.6mm-2.0mm
2.0mm-3.2mm
3.2mm-6.3mm
≥6.3mm
Yield point(MPa)
450
440
430
420
410
Elongation%
28
29
30
31
32
Tensile strength(MPa): ≥540
Grade:RP252-540F/SP252-540F
Mechanical properties
Thickness
<1.6mm
1.6mm-2.0mm
2.0mm-3.2mm
3.2mm-6.3mm
≥6.3mm
Yield point(MPa)
–
440
430
420
–
Elongation%
–
29
30
31
–
Tensile strength(MPa): ≥540
Grade:RP251-590/SP251-590
Mechanical properties
Thickness
<1.6mm
1.6mm-2.0mm
2.0mm-3.2mm
3.2mm-6.3mm
≥6.3mm
Yield point(MPa)
–
555
545
535
–
Elongation%
–
24
25
26
–
Tensile strength(MPa): ≥590
Grade:RP253-590/SP253-590
Mechanical properties
Thickness
<1.6mm
1.6mm-2.0mm
2.0mm-3.2mm
3.2mm-6.3mm
≥6.3mm
Yield point(MPa)
420
410
400
390
–
Elongation%
29
30
31
32
–
Tensile strength(MPa): ≥590
Grade:RP254-590/SP254-590
Mechanical properties
Thickness
<1.6mm
1.6mm-2.0mm
2.0mm-3.2mm
3.2mm-6.3mm
≥6.3mm
Yield point(MPa)
500
510
520
–
–
Elongation%
30
31
32
–
–
Tensile strength(MPa): ≥590
Other Japanese standard steel:
SPCC
SP123
SPCC
SP124
SPCD
SP131-340
SPCE
SP132-340
SPCEN
SP135-340
SPFC340
SP131-370
SPFC340H
SP132-370
SPFC370
SP150-390
SPFC390
SP152-440
SPFC440
SP150-490
SPFC490
SP150-540
SPFC540
SP151-590
SPFC590
SP153-590Z
SPFC590Y
SP153-780
SPFC780
SP150-980
SPFC980
SP629
SS330
SP621
SS400
SP622
SPHC
SP623
SPHD
SP606
SPHE
SP607
SAPH310
SP608
SAPH370
SP600-370~980
SAPH440
SP605-310~540
SPFH490
SP709
SPFH540
SP70
SPFH540Y
SP702
SPFH590
SP706
SPFH590Y
SP789
SECC20/20
SP781
SECC20/20
SP782
SECD20/20
RP791
SECEN20/20
SP791
SEHC
SP781-340
SEHD
SP782-340
SEHE
SP785-340
SEFC370~980Y
SP781-390
SEPH310~440
SP782-390
SEFH490~540
SP783
SGC440F04
SP784
SA1C
RP791-440
SP129
SP791-440
SP121
Our company specializes in supplying steel materials that comply with Japanese Industrial Standards (JIS), aiming to provide customers with high-quality products and services. Our steel types cover a variety of specifications in JIS standards, and we can also customize processing according to customer needs. We put a lot of energy into supply chain management and quality control to ensure that our products can meet customers’ requirements and expectations.