ST12 frèt woule fèy asye se yon pwodwi komen frèt woule ki fè pati estanda Alman DIN1623, ekivalan a DC01 EN10130 a, SPCC JIS a, estanda Ameriken ASTM A1008 CS, ak Q/BQB 403 DC01.
ST12 se yon asye woule frèt komen ki gen yon kontni kabòn ki ba, ki fè li trè plastik ak duktil, fasil pou fòme ak fè nan diferan pwodwi. Pwosesis woule frèt la bay ST12 asye yon sifas ki lis, amelyore estetik li yo ak rezistans korozyon. Bon jan kalite sifas asye sa a ka divize an sifas fini FC-wo klas ak sifas fini FB-wo klas. Anplis de sa, ST12 asye gen karakteristik ekselan soude ak machin, apwopriye pou yon varyete de pwosesis fabrikasyon.
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Fwad Woule Steel Eleman Chimik |
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Mak |
% konpozan chimik |
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|
C |
Mn |
P |
S |
Alt |
Ti |
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DC01(St12) CR Steel |
<=0.10 |
<=0.50 |
<=0.035 |
<=0.025 |
>=0.020 |
_ |
|
DC03(St13) CR Steel |
<=0.08 |
<=0.45 |
<=0.030 |
<=0.025 |
>=0.020 |
_ |
|
DC04(St14,St15) CR Steel |
<=0.08 |
<=0.40 |
<=0.025 |
<=0.020 |
>=0.020 |
_ |
|
DC05(BSC2) CR Steel |
<=0.008 |
<=0.30 |
<=0.020 |
<=0.020 |
>=0.015 |
<=0.20 |
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DC06(St16,St14-T,BSC3) CR Steel |
<=0.006 |
<=0.30 |
<=0.020 |
<=0.020 |
>=0.015 |
<=0.20 |
