Dab tsi yog cov txheej txheem ua rau Scaffolding kav

Apr 11, 2025

Tso lus

Cov qauv hauv ntiaj teb rau cov qhab nia loj rau scaffold kav thiab cov qauv hlau muaj raws li hauv qab no, npog cov kev cai ntawm txawv teb chaws thiab cheeb tsam:

 

ASTM Txuj Ci (USA)

 

ASTM A53
• Tus qib hlau: Gr B (Yam tsawg kawg nkaus zog zog dua lossis sib npaug rau 240 MPA)
• Thov: welded thiab seamless steel kav, feem ntau siv rau cov qauv kev txhawb nqa.


ASTM A500
• Qib tus hlau: Gr (loj dua los yog sib npaug rau 317 MPa), Gr C (ntau dua lossis sib npaug lossis sib npaug lossis sib npaug ntawm 386 MPa)
• Daim Ntawv Thov: Txias-tsim qauv cov hlau txheem steel hlau, haum rau high-thau khoom scaffolding.

 

En txheem (Europe)


En 39
• Qib Mircas: S235 (tawm los ntawm lub zog ntau dua lossis sib npaug rau 235 MPA), S355 (ntau dua lossis sib npaug nrog 355 MPa)
• Thov: steel yeeb rau scaffolding, hais txog corrosion tsis kam thiab lub zog.


En 12811-1
• Cov qib hlau: S235jr, s355j 0 / j2
• Cov ntawv thov: Ib ntus kev ua vaj tsev nyob ib ntus, suav nrog kev siv lub peev xwm muaj txiaj ntsig.

bs1139 scaffolding pipe

 

BS Txheem (UK)


• bs 1139
• Qeb: Qeb S355 (Ntau dua lossis sib npaug rau 355 MPa)
• Daim Ntawv Thov: Hlau Scaffolding Yeeb Nkab, Siv Dav Hauv Tebchaws Askiv thiab Cov Tebchaws Lub Tebchaws.

 

JIS Txheem (Nyiv)


• JIS G3444
• Tus qib hlau: STK400 (tawm los ntawm lub zog ntau dua los yog sib npaug rau 235 MPa), stk500 (ntau dua lossis sib npaug nrog 325 MPa)
• Daim Ntawv Thov: cov qauv yeeb nkab cov yeeb nkab roj teeb, feem ntau pom hauv Asian cov chaw ua lag luam.

 

GB Txuj Ci (Suav Teb)


• GB / T 3091
• Qib tus hlau: Q235 (propure lub zog ntau dua los yog sib luag rau 235 MPa), Q345 (ntau dua lossis sib npaug ntawm 345 MPa)
• Thov: welded steel yeeb nkab rau kev thauj tsawg zog thiab cov qauv, siv hauv kev ua haujlwm hauv tsev hauv tsev.

 

ISO Txuj Ci (International)


• ISO 20349
Cov Qauv Citation: ASTM lossis En LTM lossis En Lej feem ntau raug muab cais, xws li S235 / s355 lossis gr / c.
• Daim Ntawv Thov: Cov kev cai yuav tsum muaj feem cuam tshuam nrog scaffold kev nyab xeeb thiab cov ntaub ntawv.

 

AS / NZS Txheem (Australia / New Zealand)


• li / nzs 1576
• Qib tus hlau: Qib C350 (tawm lub zog ntau dua lossis sib npaug nrog 350 MPA), C450 (ntau dua lossis sib npaug ntawm 450 MPa)
• Thov: high-zog scaffolding, haum rau cov chaw hnyav.

 

Qib Qauv Hlau Tshwj Xeeb


• Naming cov cai: piv txwv li, "235" ntawm S235 thiab Q235 thiab Q235 qhia tau tias cov txiaj ntsig thiab cov qauv tshuaj lom neeg thiab cov qauv ntsuas ntawm cov qauv sib txawv yuav txawv.
• Xaiv: Xaiv cov qauv tsim nyog raws li kev tsim kho engineering (piv txwv li cov kabmob, huab cua tsis kam) thiab cov kev cai hauv zos, xws li:
• Hauv cov xwm txheej siab thauj khoom: AFTM A500 GR C / D lossis EN S355 yog qhov zoo dua.
• Cov xwm txheej uas yog: Astm A53 Gr B lossis GB Q235 yuav txaus.

Xa kev nug