SUS321 bụ ígwè nwere ike ike ≥ 520 yana ike mkpụrụ ≥ 205.

1. Njirimara na Oke Ngwa

Mgbakwunye nke Ti na-eme ka nkwụsị nke intergranular corrosion dịkwuo mma ma akwadoghị ya dị ka akụkụ ịchọ mma.

2. Nsogbu nke Corrosion

SUS321, SUS347, na SUS348 bụ igwe anaghị agba nchara nke titanium, niobium na tantalum kwadoro, ma dabara adaba maka ya.

jiri dị ka welded òtù na elu okpomọkụ. 348 bụ igwe anaghị agba nchara kwesịrị ekwesị maka ụlọ ọrụ ike nuklia, nke nwere ụfọdụ

mgbochi na nchikota nke na-agwụ ike na ịkụ ala.

3. Chemical mejupụtara

•  Carbon C: ≤ 0.08
•  Silicon Si: ≤1.00
•  Manganese mmadụ: ≤ 2.00
•  Sulfur S: ≤0.030
•  - Phosphorus P: ≤ 0.035 chromium Cr: 17.00 ~ 19.00
•  - Nickel Ni: 9.00 ka 12.00
•  - Titanium Ti: ≥ 5 × C%

4. Mechanical Njirimara

• Mbelata mpaghara ψ (%): ≥ 50
• Isi ike: ≤187HB; ≤90HRB; ≤200HV

5. Nkọwa ọgwụgwọ okpomọkụ na Òtù Metallographic

Nkọwa ọgwụgwọ okpomọkụ:

• 1) ngwọta siri ike 920 ~ 1150 Celsius C ngwa ngwa jụrụ oyi;
• 2) dị ka chọrọ nke ina nwere ike kwụsie ike, okpomọkụ ọgwụgwọ okpomọkụ bụ 850 ~ 930 Celsius C,ma a ga-akọwapụta ya na nkwekọrịta.

Njikọ na akụkọ a ： Ngwongwo ígwè: SUS321

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