ASTM A252 / A252M- 19 welded thiab seamless steel yeeb nkab piles

ASTM A252Cov ntaub npog Nominal (nruab nrab) phab ntsa hlau yeeb nkab ntawm cov tswv cuab, lossis ua cov plhaub pob zeb ua ke uas yog cov plhaub pob zeb rau hauv {}}}} Qhov chaw} QHOV CHAW UA HAUJ LWM QHIB PASS. Yeeb nkab cov roj ntsha tau tsim los ua ob qho khoom siv welded thiab seamless.

Qib: 1, 2, 3

OD: NPS 6 "{- 56" (168.3 - 1422 mm)

WT: 0.134 "{- 2" (3.40 - 50.8 mm)

Ntev: 6 - 32 m

ASTM A252 cov yeeb nkab steel pawg siv cov khoom lag luam:

Cov hlau yuav tsum tsis muaj ntau tshaj 0.050% phosphorous.

ASTM A252 Piling Yeeb Nkab Neeg Kho Tshuab:

Kev Tshuaj Ntsuam Kev Xeem rau Seamless thiab Welded A252 Hlau Piling Yeeb Nkab

Tensile Kuaj: Tog no ntev los yog transverse ntawm kev xaiv ntawm cov chaw tsim khoom.

Hydrostatic kuaj: tsis tau teev tseg.

Kev ntsuam xyuas txhua yam:

Tus naj npawb ntawm cov kev ntsuam xyuas: ib lub tensile xeem ib 200 ntev.

Cov tshuaj tiv thaiv kab mob rau A252 cov yeeb nkab steel

Phab ntsa tuab: Tsis ntau tshaj 12.5% ​​hauv qab ntawm cov nominal phab ntsa tuab tau teev tseg.

Tes taw hnyav ib txhais taw: Qhov hnyav ntawm ib qho ntev ntawm cov yeeb nkab yuav tsis sib txawv ntau dua 15% dhau los yog 5% hauv qab qhov hnyav tau teev tseg. Txhua tus neeg ntev yuav tsum hnyav nyias sib cais.

Sab nraum txoj kab uas: yuav tsum tsis sib txawv dua li ntxiv lossis rho tawm 1% ntawm lub taub teev tseg.

Ntev ntawm A252 Cov Yeeb Nkab Piling

TxhabA252 cov yeeb nkab hlau yuav raug txiav txim rau hauv ib qho lossis ob npaug ntawm cov neeg nyob ntev lossis hauv qhov ntev ntev.

Ib leeg random - 16 '- 25' 'nrog

Ob chav random - tshaj 25 'nrog tsawg tsawg ntawm 35'

Uniform - ntxiv los yog rho tawm 1 "ntawm qhov ntev teev

Yuav Khib Yuav Tsum Tau

Rolled, tuag - Stamped, lossis pleev xim - stenciled (chaw tsim khoom).

Chaw tsim tshuaj paus lub npe, hom, lossis cov cim lag luam

Thaum Tshav Kub Kub

Txoj Kev Siv

Qhov loj me, qhov hnyav, ntev

Phab Ntsa Thickness

ASTM A252 thiab qib hlau