253MA / UNS30815 efere
Nkọwa dị mkpirikpi:
| Nkọwapụta nke 253MA efere: |
Nkọwapụta:ASTM A240 / ASME SA240
Ọkwa:253SMA, S31803, S32205, S32750
Obosara1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, wdg
Ogologo:2000mm, 2440mm, 3000mm, 5800mm, 6000mm, wdg
Ọkpụrụkpụ:0.3 mm na 50 mm
Teknụzụ:Efere akpọre akpọre ọkụ (HR), Akwụkwọ mpịakọta oyi (CR)
Mmecha elu:2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, ntutu akara, ájá gbawara, ahịhịa, SATIN (Met na Plastic mkpuchi) wdg.
Akụrụngwa:POSCO, Acerinox, Thyssenkrup, Baosteel, TISCO, Arcelor Mittal, Saky Steel, Outokumpu
Ụdị:Mpempe akwụkwọ dị larịị, efere, okpuru ulo, wdg.
| Mpempe igwe anaghị agba nchara 253MA & Plates Dakọtara akara ule: |
| Ọkọlọtọ | Ọrụ NR. | Nhọpụta EN | UNS |
| 253MA | 1.4835 | X9CrSiNCe21-11-2 | S30815 |
| 253MAIbé akwụkwọ, efere kemịkalụ ihe mejupụtara na ihe eji arụ ọrụ(nchara saky): |
| Ọkwa | C | Cr | Mn | Si | P | S | N | Ce | Fe | Ni |
| 253MA | 0.05-0.10 | 20.0-22.0 | 0.80 kacha | 1.40-2.00 | 0.040 kacha | 0.030 kacha | 0.14-0.20 | 0.03-0.08 | Nhazi | 10.0-12.0 |
| Ike ọdụdọ | Ike Mpụta (0.2% kwụsịrị) | Mgbatị (na 2 in.) |
| Psi: 87,000 | Psi 45000 | 40% |
| Ihe kpatara ịhọrọ anyị: |
1. Ị nwere ike nweta ihe zuru oke dịka ihe ị chọrọ na ọ dịkarịa ala ọnụahịa.
2. Anyị na-enyekwa Reworks, FOB, CFR, CIF, na ọnụ ụzọ nnyefe ọnụ ụzọ. Anyị na-atụ aro ka ịme azụmahịa maka mbupu nke ga-adị oke ọnụ ahịa.
3. Ihe anyị na-enye bụ nkwenye kpamkpam, site na akwụkwọ nyocha nke akụrụngwa ruo na nkwupụta akụkụ ikpeazụ. (Akụkọ ga-egosi na achọrọ)
4. e kwere nkwa inye nzaghachi n'ime awa 24 (na-abụkarị n'otu elekere)
5. Ị nwere ike nweta ngwaahịa ọzọ, igwe ihe nnyefe na ibelata n'ichepụta oge.
6. Anyị raara onwe anyị nye ndị ahịa anyị kpamkpam. Ọ bụrụ na ọ gaghị ekwe omume imezu ihe ị chọrọ mgbe ị nyochachara nhọrọ niile, anyị agaghị eduhie gị site n'ịkwe nkwa ụgha nke ga-eme ka ndị ahịa nwee mmekọrịta dị mma.
| Nkwenye ịdịmma nke SAKY STEEL (gụnyere ma nke na-emebi emebi na nke anaghị emebi emebi): |
1. Nleba anya akụkụ
2. Mechanical nyochaa dị ka tensile, elongation na mbenata nke ebe.
3. Mmetụta mmetụta
4. Nyocha nyocha nke kemịkalụ
5. Nnwale ike ike
6. Nnwale nchedo pitting
7. Nnwale penetrant
8. Nnwale corrosion intergranular
9. Nnwale siri ike
10. Metallography nnwale nnwale
| Nkwakọ ngwaahịa SAKY STEEL: |
1. Nkwakọ ngwaahịa dị ezigbo mkpa karịsịa n'ihe gbasara mbupu mba ofesi nke mbupu na-agafe na ọwa dị iche iche iji ruo ebe kachasị elu, yabụ anyị na-etinye nchegbu pụrụ iche gbasara nkwakọ ngwaahịa.
2. Saky Steel's mkpọ ngwongwo anyị n'ọtụtụ ụzọ dabere na ngwaahịa. Anyị na-akwakọ ngwaahịa anyị n'ọtụtụ ụzọ, dị ka,
Alloy 253Ma nwere njirimara ndị a:
253MA bụ igwe anaghị agba nchara austenitic na-eguzogide okpomọkụ emebere maka ngwa chọrọ ike dị elu na nguzogide corrosion dị mma. Oke okpomọkụ na-arụ ọrụ bụ 850 ~ 1100 Celsius.
Ngwakọta kemịkalụ nke 253MA bụ nke ziri ezi, nke na-eme ka ígwè ahụ nwee ihe kachasị mma zuru oke na ọnọdụ okpomọkụ nke 850 ° C-1100 Celsius C, nguzogide oxidation dị oke elu, na ọnụ ọgụgụ okpomọkụ dị elu ruo 1150 ° C; ike dị elu na-eguzogide ike na ike mgbawa; ezigbo nguzogide corrosion dị elu nke okpomọkụ na iguzogide ahịhịa ahịhịa n'ọtụtụ mgbasa ozi gas; ike mkpụrụ dị elu na ike nkwụsị na okpomọkụ dị elu; ezi formability na weldability Na ezu machinability.
Na mgbakwunye na chromium na nickel alloying, igwe anaghị agba nchara 253MA nwekwara obere metal metal na-adịghị ahụkebe (Rare Earth Metals, REM), nke na-eme ka ikike antioxidant ya dịkwuo mma. A na-agbakwunye nitrogen iji meziwanye ihe na-akpụ akpụ ma mee ka ígwè a bụrụ austenite zuru oke. Ọ bụ ezie na ọdịnaya chromium na nickel dị ntakịrị, igwe anaghị agba nchara nwere ọtụtụ njiri mara oke okpomọkụ dị ka nnukwu alloy alloy steel na alloy dabere na nickel.
Ngwa 253Ma:
A na-eji 253MA eme ihe n'ọtụtụ ebe na akụrụngwa sintering, ngwa ọkụ ọkụ ọkụ, igwe na-agbaze, igwe ọkụ na akụrụngwa nkedo na-aga n'ihu, igwe igwe igwe (ọkụ ọkụ), ọkụ ọgwụgwọ ọkụ na ngwa, akụrụngwa ịnweta na akụrụngwa mmepụta ciment.
