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ASTM A709 GR.50W steel phaj
ASTM A709 GR.50W steel phaj
ASTM A709 GR.50W steel phaj
ASTM A709 GR.50W steel phaj

ASTM A709 GR.50W steel phaj

ASTM A709-50W yog cov qauv kev qhia tshwj xeeb rau cov qauv hlau feem ntau hauv kev tsim cov choj hlau. ASTM A709-50W npog lub zog siab, qis tso cai rau cov qauv hlau, daim hlau thiab tuav. Lub atmospheric corrosion kuj ntawm cov hlau no nyob rau hauv feem ntau ib puag ncig yog zoo dua li carbon steel nrog los yog tsis muaj tooj liab ntxiv.
Cov ntaub ntawv khoom

Lub zog siab qis alloy steel phaj ASTM A709GR.50W kuj muaj npe hu ua weathering steel phaj A709 Qib 50W hauv qhov zoo ntawm nws cov cuab yeej hauv huab cua corrosion kuj. Raws li qhov sib txawv cov ntsiab lus tseem ceeb muaj, A709 Qib 50W tau muab faib ua A709Gr50w hom A, A709Gr50w hom B, A709Gr50w hom C.Cov peb qib steel yog sib npaug rau specification ASTM A 588 / A 588M A558 Grade A. thiab A588 Qib C.Low alloy steel phaj A709 Qib 50W kuj muaj tib yam yam tsawg kawg nkaus lub zog ntawm 345 Mpa li A709 Qib 50 steel phaj.
A709 Gr.50W weathering steel daim hlau, uas yog nto moo rau nws cov cuab yeej nyob rau hauv huab cua corrosion kuj. A709 Qib 50W steel daim hlau yog dav siv hauv kev tsim kho tshuab, mining machinery, tsheb, txuas hniav, siab hlab ntsha thiab lwm yam.,

Technical Requirements & Additional Services:

  • Kev ntsuam xyuas siab
  • Tsawg kub cuam tshuam kuaj
  • Simulated tom qab vuam kev kho cua sov (PWHT)
  • Tshaj tawm Orginal Mill xeem daim ntawv pov thawj raws li EN 10204 FORMAT 3.1 / 3.2
  • Thaum cooper steel tau teev tseg rau A709 Gr36, cov ntsiab lus Cu≥0.20%
  • Tua blasting thiab Painting, Txiav thiab vuam raws li ib tus neeg siv kawg xav tau
Tshuaj muaj pes tsawg leeg & Mechanical khoom

Yog xav paub ntxiv cov cuab yeej hauv A709 Gr.50S steel phaj, thov xyuas lawv hauv qab no;
A709 Qib 50S Tshuaj muaj pes tsawg leeg ntsuas kub

Element Tshuaj %
C, max 0.23
Mn 0.50-1.60 A
Si, max 0.40
V, max 0.15b ua
Nb, max 0 ,05b
P, max 0.035
S, max 0.045
Cu, max 0.60
Nim xma 0.45
Cr, max 0.35
Mas, max 0.15

ib 709g. 50S mechanical khoom
A709 qib tuab
mm
Yield
[MPa]
Tensile [MPa] Elongtation Min % txo
Min
%
HB
Hlau Phaj Cov qauv hlau
8 hauv [200mm] 2 hauv [50mm] 8 hauv [200mm] 2 hauv [50mm]
36[250] ≤100 [250] min 400-550 20 23 20 21
[250] min 400 min 20 19
50[345] ≤100 345 nqi 450 min 18 21 18 21 F
50S [345S] G 345-450 Ib 450 min H 18 21
50W [345W]
HPS 50W [HPS 345W]
≤100 345 nqi 485 nqi 18 21 18 21 J
HPS70W [HPS485W] ≤100 485 nqi 585-760 19k ua
100 [690], 100W [690W], HPS 100W [HPS690W] ≤65 690m wb 760-895 18k ib L 235-293 M
100 [690], 100W [690W], 65-100 620mn ib 690-895 16 K L

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