牌号

C

Si

Mn

P

S

抗拉强度Mpa

伸长率%

硬度HRB

SPCC

≤0.12

≤0.05

≤0.05

≤0.035

≤0.035

≥270

≥20

180

SPCD

≤0.10

≤0.03

≤0.45

≤0.030

≤0.035

≥270

≥28

180

SPCE

≤0.08

≤0.03

≤0.40

≤0.025

≤0.030

≥270

≥35

180

Q195

0.06~0.12

≤0.30

0.25~0.50

≤0.045

≤0.050

315-430

≥33

180

Q215

0.09~0.15

≤0.30

0.25~0.55

≤0.045

≤0.050

≥355

≥13

--

Q235A

0.14~0.22

≤0.30

0.30~0.65

≤0.45

≤0.50

375-500

≥21

--

DC01

≤0.12

---

≤0.60

≤0.04

≤0.045

270

～410

≧28

St13

<0.08

---

<0.45

<0.030

<0.0255

270~370

≥32.0

57-180