ASTM A299 GR.A Mn-Si Alloy Pressure jirgin ruwa farantin karfe

Carbon karfe tare da Manganese-Silicon farantin SA299 Grade A,SA299 Grade B karkashin karfe ƙayyadaddun ma'auni ASME SA 299/SA 299M.Akwai sauran biyu karfe maki A299 Grade A da A299 Grade B sun mallaki irin wannan ingancin karfe wanda yake bisa ga ASTM A 299 / A 299M.As ga zafi magani, karfe farantin A299 Grade A da A299 Grade B daidai kuma a karkashin 50 millimeter ne kullum birgima a cikin as-birgima yanayin, matsa lamba jirgin ruwa farantin karfe.
A cewar ASTM A299 / A299M misali, karfe farantin A299 Grade A da A299 Grade B za a zaba a cikin wadannan fasaha yanayi: S1.Vacuum magani, S2. Binciken samfur. S3. Simulated post weld zafi magani na inji gwajin takardun shaida, S4. Ƙarin gwajin tashin hankali, S5. Gwajin tasiri na Charpy V-notch, S6. Gwajin saukar da nauyi, S7. Gwajin tashin hankali mai girma.

Matsayin A299 Haɗin Sin
Daraja	Mafi Girman Element (%)
	C	Si	Mn	P	S	Mo
A299 G.A	0.28-0.30	0.13-0.45	0.84 -1.62	0.035	0.035	-

Daraja	Matsayin A299 A Kayan Injini
	Kauri	yawa	Tashin hankali	Tsawaitawa
A299 G.A	mm	Min Mpa	Mpa	Min %
	t≦50	275-290	515-655	19
	50	275-290	515-655	19

1. Matsayin Karfe: A 299 Digiri A, A 299 B.
2. Girma (T*W*L): Kauri: 8mm zuwa 300mm; Nisa: 1500mm zuwa 4020mm; Tsawon: 4000mm zuwa 18000mm
3. Matsayin karɓa: ASTM A299 da ASME SA 299.
4. Maganin zafi: Na'ura mai zafi, CR, Daidaitacce, Quenched, Tempering, TMCP, Fasahar Remelting Electroslag.
5. Sabis na Karfe: Yanke, Zane, fashewar ball, Pretreatment da ɓangare na uku a cikin DNV, BV, LR, GL, ABS da CCS a cikin farantin karfe mai kauri.

ASTM A299 Grade A tukunyar jirgi karfe farantin, ASME SA299 Grade A matsa lamba jirgin ruwan karfe farantin ne takamaiman ga carbon karfe da Manganese-Silicon. Amma ga bakin ciki farantin SA299 Grade A wanda aka samar daga karfe nada SA299 Grade A kuma an samar da shi ba tare da maganin zafi ba ko kawai tare da rage damuwa kawai, ƙarin buƙatun, gami da ƙarin buƙatun gwaji da rahoton ƙarin sakamakon gwajin za a yi amfani da su don A20 / A20M karfe misali.

Bukatun Fasaha & Ƙarin Sabis:

• Gwajin tashin hankali
• Gwajin tasirin ƙarancin zafin jiki
• An daidaita don faranti mai kauri sama da 40mm
• Simulated bayan-welded maganin zafi (PWHT)
• Bayar da takardar shaidar gwaji ta Orginal Mill a ƙarƙashin EN 10204 FORMAT 3. 1 /3. 2
• Harba fashewa da fenti, Yanke da walda kamar yadda ƙarshen buƙatun mai amfani