Farqiga u dhexeeya qiimaha suuqa ee u dhexeeya tuubooyinka birta ee khafiifka ah iyo tuubooyinka birta ee dhumucdiisuna waxay ku xiran tahay habka wax soo saarka, qiimaha alaabta, goobta codsiga iyo baahida. Kuwa soo socda waa kala duwanaanshahooda ugu weyn ee qiimaha iyo gaadiidka:

1. Kala duwanaanshaha qiimaha suuqa
Dhuumaha birta ah ee aan xidhnayn ee dhuuban:

Qiimaha hoose: Dhumucdiisuna waxay tahay darbiga dhuuban awgeed, alaabta ceeriin oo yar ayaa la isticmaalaa, qiimaha wax soo saarkuna waa yar yahay.

Si ballaaran loo isticmaalo: Inta badan waxaa loo adeegsadaa waqtiyada shuruudaha hoose ee xoogga iyo iska caabinta cadaadiska, sida dhismaha, qurxinta, gaadiidka dareeraha, iwm, oo leh baahi weyn oo suuqa ah.

Isbeddellada qiimaha yar: Guud ahaan, qiimuhu waa deggan yahay waxaana si weyn u saameeya suuqa birta.

Dhuumaha birta ee derbiga leh ee dhumuc weyn leh:

Qiimaha sare: Dhumucdiisuna waa weyn tahay, alaabta ceeriin dheeraad ah ayaa la isticmaalaa, iyo habka wax soo saarku waa mid adag, taasoo keentay kharashyo badan.

Shuruudaha waxqabadka sare: Caadi ahaan loo isticmaalo goobaha cadaadiska sare leh iyo shuruudaha xoogga qaabdhismeedka sare, sida qalabka farsamada, kiimikooyinka petrochemicals, kuleyliyeyaasha, iwm.

Qiimaha sare iyo isbedbedelka waaweyn: Baahida adag ee tuubooyinka birta ee dhumuc weyn leh ee beero gaar ah awgeed, qiimuhu aad buu isu beddelaa, gaar ahaan marka qiimaha alaabta ceeriin ee birta ahi kor u kacdo.
2. taxaddarrada gaadiidka
Dhuumaha birta ah ee aan xidhnayn ee dhuuban:

Fudud in wax laga beddelo: Darbiga dhuuban ee tuubada awgeed, way fududahay in ay qalloociyaan ciidamada dibadda inta lagu jiro gaadiidka, gaar ahaan marka la isku xidho oo la isku dhufto.
Ka-hortagga xagashada: Dusha tuubooyinka dhuuban si sahal ah ayay u dhaawacmaan, waana in la qaado tillaabooyin ilaalin ku habboon, sida in dusha lagu daboolo maro caag ah ama qalab kale oo ilaalin ah.
Xirmooyinka xasilan: Waa lagama maarmaan in la isticmaalo suumanka jilicsan ama suumanka birta gaarka ah si loo xidho si looga fogaado qallafsanaanta jirka tuubada sababtoo ah adkeyn xad dhaaf ah.
Dhuumaha birta ee derbiga leh ee dhumuc weyn leh:

Miisaanka culus: Tuubooyinka birta ah ee dhumucdoodu waa culus yihiin, waxaana loo baahan yahay qalab waaweyn oo wax lagu qaado inta lagu jiro gaadiidka, iyo qalabka gaadiidku waxay u baahan yihiin inay yeeshaan awood ku filan.
Isku dhejinta xasiloon: Culayska culus ee tuubooyinka birta awgeed, isku dheelitirnaanta iyo xasilloonida waa in la tixgeliyo inta lagu jiro isugaynta si looga fogaado duubid ama gariir, gaar ahaan inta lagu jiro gaadiidka si looga hortago silbashada ama isku dhaca.
Badbaadada gaadiidka: Inta lagu jiro gaadiidka fogfog, fiiro gaar ah waa in la siiyaa qalabka sida suufka ka-hortagga sibidhka iyo xirmooyinka taageerada ee u dhexeeya tuubooyinka birta si looga fogaado waxyeello ay keento is-jiidhka iyo saameynta.
Qiimaha tuubooyinka birta ee khafiifka ah ee aan fiicneyn ayaa aad u hooseeya, laakiin waa in fiiro gaar ah loo yeesho ka hortagga qallafsanaanta iyo dhaawaca dusha sare inta lagu jiro gaadiidka; halka qiimaha tuubooyinka birta ee dhumucdiisuna ay sarreeyaan, waana in fiiro gaar ah loo yeesho badbaadada, xasilloonida iyo maareynta miisaanka inta lagu jiro gaadiidka. Si kastaba ha ahaatee, tuubooyinka birta ah ee aan xidhnayn ee leh qalab gaar ah iyo tilmaamo ayaa weli u baahan in si dhab ah loo qiimeeyo.
Sanonpipe tuubooyinka birta ee ugu muhiimsan waxaa ka mid ah tuubooyinka kululeeyaha, tuubooyinka bacriminta, tuubooyinka saliidda, iyo tuubooyinka qaab dhismeedka.

1.Tubooyinka kululeeyaha40%
ASTM A335/A335M-2018: P5, P9, P11, P12, P22, P91, P92;GB/T5310-2017: 20g, 20mng, 25mng, 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg;ASME SA-106/ SA-106M-2015: GR.B, CR.C; ASTMA210(A210M)-2012: SA210GrA1, SA210 GrC; ASME SA-213/SA-213M: T11, T12, T22, T23, T91, P92, T5, T9, T21; GB/T 3087-2008: 10#, 20#;
2.Dhuumaha khadka30%
API 5L: PSL 1, PSL 2;
3.Dhuumaha batroolka10%
GB9948-2006: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 20G, 20MnG, 25MnG; GB6479-2013: 10, 20, 12CrMo, 15CrMo, 12Cr1MoV, 12Cr2Mo, 12Cr5Mo, 10MoWVNb, 12SiMoVN b;GB17396-2009:20, 452, 45Mn
4.tuubada kulaylka10%
ASME SA179/192/210/213 : SA179/SA192/SA210A1.
SA210C/T11 T12, T22.T23, T91. T92
5.Dhuumaha makaanikada10%
GB/T8162: 10, 20, 35, 45, Q345, 42CrMo; ASTM-A519: 1018, 1026, 8620, 4130, 4140; EN10210: S235GRHS275JOHS275J2H; ASTM-A53: GR.A GR.B