SPA-H Nɛgɛ min bɛ wele ko Weathering Steel

An bɛ dimensional tolerance kunkolodimi ɲɛnabɔ. Promisteel bɛ a janya (2,0-35.0mm) ni a bonya (600-3000mm) dilan ka kɛɲɛ ni a yɛrɛ sago ye ni muɲuli kɔlɔsili gɛlɛnw ye. An ka slitting tigitigi b’a to bobinew bɛ balo ka ɲɛ i ka automatique stamping lines kɔnɔ k’a sɔrɔ u ma ja walima ka tiɲɛni kɛ.

Aw bɛ hami "corten" nɛgɛ nkalonmaw la wa? An bɛ JIS G3125 sariya labato kosɛbɛ, k’a lajɛ ko Kupu (0,25-0,60%), Kɔrɔmu (0,30-1,25%), ani Niki ( A ka dɔgɔn walima ka bɛn 0,65%) ma, olu ka girinya tilayɔrɔ bɛnnen don. Bobine bɛɛ bɛ na ni Mill Test Certificate (MTC) fɔlɔ ye, wa a bɛ mɔgɔ sabananw ka sɛgɛsɛgɛli dɛmɛ (misali la, SGS).

Konteyna pannew bɛ mago ɲɛ corrugation complexe la. An ka SPA-H bobinew bɛ ni Yield Strength ye min bɛ kɔrɔsi ( A ka bon walima a bɛ bɛn 345MPa ma ka tɛmɛ walima a bɛ bɛn 6mm ma) ani Elongation ɲumanba ( A ka bon walima a bɛ bɛn 22% ma). O b’a to fɛn in bɛ se ka kɔrɔta (radius 0,5t) ani ja jugumanba muɲu k’a sɔrɔ a ma kari walima ka fɛn tiɲɛ.

Aw bɛ to ka minɛnw ladonni dabila. Cu, Cr ani Ni ye oksizɛni caman sɔrɔ, an ka SPA-H nɛgɛ bɛ fiɲɛ sɔgɔli kunbɛn ka ɲɛ siɲɛ 2 fo siɲɛ 8 ka tɛmɛ nɛgɛ gansan kan. A dabɔra kɛrɛnkɛrɛnnenya la walasa ka kɔgɔji sisiba-kɔgɔba ni funteni jiginni jugumanba muɲu.

Jagokɛcogo dafalen bɛ tali kɛ welda ɲumanw na. An bɛ nɔgɔw kɔlɔsi kosɛbɛ i n’a fɔ Fosiforo ( A ka dɔgɔn walima a bɛ bɛn 0,040% ma) ani Kibaru ( A ka dɔgɔn walima a bɛ bɛn 0,030 ma). O b’a to an ka SPA-H nɛgɛ bɛ jɔcogo sabatili sabati welding waati la, ka karilenw bali minɛnw kɔnɔna jɔlanw ni u karamɔgɔya la.

Aw bɛ dɔ bɔ aw ka fɛntigiya musaka bɛɛ lajɛlen na (TCO). Hali ni a sɔngɔ ka dɔgɔ ka kɔn o ɲɛ, nɛgɛ min bɛ kɛ ni karɔbɔli ye, o ka kan ka penti kokura tuma bɛɛ. SPA-H bɛ dɔ bɔ ladonni ni penti seginni mago la tuma caman na k’a sababu kɛ a yɛrɛ{3}}kɛnɛya nɔgɔ sɔgɔlen ye, o bɛ baara musakaw tigɛ kosɛbɛ minɛn in baarakɛ waati kɔnɔ.