304/304L bụ Austenitc igwe anaghị agba nchara.Ọ na-aza ihe karịrị 50% nke igwe anaghị agba nchara emepụtara, na-anọchite anya n'etiti 50% -60% nke oriri nke igwe anaghị agba nchara na ngwa ntù n'ihe fọrọ nke nta ka ọ bụrụ ụlọ ọrụ ọ bụla.304L bụ obere carbon chemistry nke 304, ọ jikọtara ya na mgbakwunye na nke nitrogen na-enyere 304L aka izute n'ibu Njirimara nke 304. 304L na-ejikarị na-ezere kwere omume sensitization corrosion na welded components.lt nke na-abụghị magnetik na annealed ọnọdụ, ma nwere ike ịghọ. ntakịrị magnetik n'ihi ọrụ oyi ma ọ bụ ịgbado ọkụ.Enwere ike ịgbanye ya ngwa ngwa na nhazi ya site na usoro mmepụta ọkọlọtọ.Ọ nwere ezigbo nguzogide ikuku ikuku, na-eme ka ọ dị ntakịrị oxidizing na ibelata gburugburu ebe obibi, yana corrosion intergranular na conition dị ka-welded Ọ nwekwara ike dị mma na ike siri ike na okpomọkụ cryogenic.
Ọkwa(%) | Ni | Cr | Fe | N | C | Mn | Si | S | P |
304 igwe anaghị agba nchara | 8-10.5 | 18-20 | itule | - | 0.08 | 2.0 | 1.0 | 0.03 | 0,045 |
304L igwe anaghị agba nchara | 8-12 | 17.5-19.5 | itule | 0.1 | 0.03 | 2.0 | 0.75 | 0.03 | 0,045 |
Njupụta | 8.0 g/cm³ |
Ebe mgbaze | 1399-1454 ℃ |
Ọnọdụ | Ike ọdụdọ Rm N/mm² | Mpụta ike Rp 0.2N/mm² | Ogologo oge Dị ka% | Brinell siri ike HB |
304 | 520 | 205 | 40 | ≤187 |
304L | 485 | 170 | 40 | ≤187 |
ASTM: A 240, A 276, A312, A479
ASME: SA240, SA312, SA479
• Nguzogide corrosion
• Mgbochi mmetọ ngwaahịa
• Nguzogide oxidation
• Mfe nke imepụta ihe
• Magburu onwe formability
• Mma ọdịdị
• ịdị mfe nke ihicha
• Ike dị elu na obere ibu
• Ike dị mma na ike na okpomọkụ cryogenic
• Njikere availabilitu nke ụdị ngwaahịa dị iche iche
• Nhazi na njikwa nri
• Ndị na-agbanwe ọkụ
• Chemical usoro arịa
• Ndị na-ebugharị
• Ihe owuwu