1. Binciken abubuwan da ke tattare da sinadarai: Hanyar bincike na sinadarai, hanyar bincike na kayan aiki (kayan aikin CS infrared, karatun spectrometer kai tsaye, zcP, da dai sauransu). ① Infrared CS Mita: Yi nazarin ferroalloys, kayan aikin ƙarfe, da abubuwan C da S a cikin ƙarfe. ②Sanin karatun kai tsaye: C, Si, Mn, P, S, Cr, Mo, Ni, Cn, A1, W, V, Ti, B, Nb, As, Sn, Sb, Pb, Bi a cikin samfura masu yawa. ③N-0 mita: Binciken abun ciki na gas na N da O.

2. Karfe bututu na geometric girma da kuma bayyanar dubawa:
① Karfe bututu bango kauri dubawa: micrometer, ultrasonic kauri ma'auni, ba kasa da 8 maki a duka iyakar da kuma rikodin.
② Karfe bututu m diamita da ovality dubawa: caliper, vernier caliper, zobe ma'auni, auna matsakaicin batu da mafi m batu.
③ Karfe bututu tsawon dubawa: karfe tef ma'auni, manual da atomatik tsawon awo.
④ Binciken curvature na bututun ƙarfe: Yi amfani da mai mulki, matakin (1m), ma'aunin ji, da waya na bakin ciki don auna curvature kowane mita da lanƙwan tsayin duka.
⑤ Duban karfe bututu karshen bevel kwana da m baki: square mai mulki da clamping farantin.

3. Karfe bututu surface ingancin dubawa: 100%
① Duban gani na Manual: yanayin haske, ma'auni, ƙwarewa, alamomi, jujjuya bututun ƙarfe.
② Dubawa mara lalacewa: a. Ultrasonic flaw ganewa UT: Yana da kula da farfajiya da lahani na ciki na kayan uniform na kayan daban-daban. Misali: GB/T 5777-1996. Babban darajar: C5.
b. Gano aibi na Eddy na yanzu ET: (induction electromagnetic): galibi mai kula da lahani mai siffa (siffar rami). Matsayi: GB/T 7735-2004. Darasi: B.
c. Magnetic barbashi MT da Magnetic kwarara leaka dubawa: Magnetic dubawa ya dace don gano saman da lahani kusa-samun kayan ferromagnetic. Matsayi: GB/T 12606-1999. Darasi: C4
d. Electromagnetic ultrasonic flaw ganowa: Babu hada biyu matsakaici da ake bukata, kuma shi za a iya amfani da high-zazzabi, high-gudun, m karfe bututu surface flaw ganewa.
e. Gwajin shiga ciki: kyalli, canza launi, gano lahanin saman bututun ƙarfe.

4. Binciken aikin sarrafa ƙarfe: ① Gwajin gwaji: auna danniya da lalacewa, da kuma ƙayyade ƙarfin (YS, TS) da alamar filastik (A, Z) na kayan. Samfura masu tsayi da juzu'i, sassan bututu, samfuran baka da madauwari (￠10, ￠12.5). Small diamita bakin ciki bango karfe bututu, babban diamita lokacin farin ciki bango karfe bututu, kafaffen ma'auni tsawon. Lura: Girman samfurin bayan karaya yana da alaƙa da girman samfurin GB/T 1760.
② Gwajin tasiri: CVN, nau'in C-notched, nau'in V, aikin J darajar J/cm2. Standard samfurin 10 × 10 × 55 (mm) Non-misali samfurin 5 × 10 × 55 (mm)
③ Gwajin tauri: Brinell hardness HB, Rockwell hardness HRC, Vickers hardness HV, da dai sauransu.
④ Gwajin na'ura mai aiki da karfin ruwa: gwajin gwaji, lokacin daidaitawar matsa lamba, p = 2Sδ / D

5. Karfe bututu aiwatar aiwatar dubawa tsari:
① Gwajin ƙwanƙwasa: ƙirar ƙira mai siffar zagaye C (S/D>0.15) H= (1+2) S/(∝+S/D)
L = 40 ~ 100mm nakasar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun raka'a = 0.07 ~ 0.08
② Gwajin jawo zobe: L=15mm, babu fasa, ya cancanta
③ Gwajin Faɗawa da nadi: Taper na tsakiya shine 30°, 40°, 60°
④ Gwajin lankwasawa: na iya maye gurbin gwajin lankwasa (don manyan bututun diamita)

6. Metallurgical bincike na karfe bututu:
① Babban iko dubawa (bincike na microscopic): abubuwan da ba na ƙarfe ba 100x GB / T 10561 Girman hatsi: daraja, bambancin daraja. Ƙungiya: M, B, S, T, P, F, AS. Decarburization Layer: ciki da waje. Hanyar A: Class A - sulfide, Class B - oxide, Class C - silicate, D - spherical oxidation, Class DS.
②Ƙananan gwajin haɓakawa (binciken macroscopic): ido tsirara, gilashin ƙara girman 10x ko ƙasa da haka. a. Hanyar gwajin etching acid. b. Hanyar duba sulfur buga (binciken bututu mara kyau, yana nuna ƙananan tsarin al'adu da lahani, kamar su sako-sako, rarrabuwa, kumfa subcutaneous, folds fata, farin spots, inclusions, da dai sauransu c. Hanyar duba gashin gashi mai siffar hasumiya: duba yawan adadin gashin gashi, Tsawon, da rarrabawa.