1. Kev faib tawm los ntawm cov khoom siv:
Carbon Steel: ASTM / ASME A234 WPB, WPC
Alloy: ASTM / ASME A234 WP 1-}}}}}}} {{{{{{
Tus Hlau Stainless: ASSM / ASME A403 WP 304-304 l {{ln {4 {4 {4}}}}} n
ASTM / ASME A403 WP 316-316 l {} h} h}} n {5}} ti
ASTM / ASME A403 WP {{1} h} h}} h }tm / ASME A403 WP {3} h
Tsawg cov hlau kub: Astm / ASME A402 wpl 3- wpl 6
High Performance Steel: ASSM / ASME A 860 wphy 42-46-52-60-65-70
Cam khwb cia steel, alloy steel, tooj liab, tooj liab, txhuas alloy, yas, PPR, RFPP (txhawb polypropylene), thiab lwm yam.
2. Raws li kev tsim qauv, nws tuaj yeem faib ua thawb, nias, Forging, casting, thiab lwm yam.
3. Raws li tus qauv tsim khoom, nws tuaj yeem faib ua cov qauv hluav taws xob, cov qauv dej, tus qauv Japan, tus qauv Japan, tus qauv Japan, thiab lwm yam.
4. Raws li nws lub vojvoog curius: nws tuaj yeem faib ua ntev hluav taws xob lub luj tshib thiab luv luv Luv Laub. Ntev lub vojvoog lauj mam txhais tau tias nws txoj kev nkhaus yog sib npaug rau 1.5 zaug sab nraud ntawm txoj kab ntawm cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab, uas yog, r {3}}. 5d; 5d; 5d; 5d; 5d; Luv luv hluav taws xob luj tshib txhais tau tias nws txoj kev nkhaus yog sib npaug ntawm cov kab uas hla ntawm cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab, uas yog, r}. {}} d. (D Qhov taub ntawm lub luj tshib, r yog lub vojvoog ntawm curvature). 5. Sch80, Sch100, SCH120, SCH140, SCH160, XXS; Ntawm cov uas feem ntau siv yog STD thiab xs.
