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ASTM A709 polat plastinka
ASTM A709 polat plastinka
ASTM A709 polat plastinka
ASTM A709 polat plastinka

ASTM A709 polat plastinka

ASTM A709 / A709M Uglerod we ýokary güýçli pes erginli gurluş polat şekilleri, tabaklar we barlar we köprüleriň önümleri we hyzmatlary üçin söndürilen we temperaturaly ergin gurluş polat plitalary / Standartlar we neşirler / ülňüler Önümler
Haryt maglumatlary
ASTM A709 köprüler üçin gurluş polat üçin standart spesifikasiýa bolup, köprüleriň gurluşygynda gurluş plitalary hökmünde ulanylýan uglerod, ýokary güýçli pes erginli we söndürilen we temperaturaly polatlary öz içine alýar. Gnee A709-yň aşakdaky bäş synpyny hödürleýär; 36, 50, 50W, HPS 50W we HPS 70W. 50W, HPS 50W we HPS 70W üç howa derejesinde ASTM G101 güýçlendirilen atmosfera poslama garşylyk görkezijisi ≥6.0 bar.
Himiki düzümi we mehaniki eýeçiligi
A709 36-njy synp Himiki düzümi atylylyk derňewi
Galyň mm Gurluş polat Polat plastinka Tegelek polat
≤20 20 ~ ≤40 40 ~ ≤65 65 ~ ≤100 ≤20 20 ~ ≤40 40 ~ ≤100
C, iň ýokary ,% 0.25 0.25 0.25 0.25 0.27 0.26 0.27 0.28
Mn,% 0.80-1.20 0.80-1.20 0.80-1.20 0.60-0.90 0.60-0.90
P, max,% 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04
S, max,% 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05
Si 0.40max 0.40max 0.40max 0.15-0.40 0.15-0.40 0.40max 0.40max 0.40max
Cu, min,% 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20

A 709 Gr. 36 mehaniki eýeçilik
A709 synp Galyň
mm
Hasyl beriň
[MPa]
Dartma [MPa] Uzalma Min% azaltmak
Min
%
HB
Polat plastinka Gurluş polat
8in [200mm] 2in [50mm] 8in [200mm] 2in [50mm]
36[250] ≤100 [250] min 400-550 20 23 20 21
[250] min 400min 20 19
50[345] ≤100 345min 450min 18 21 18 21F
50S [345S] G. 345-450HI 450minH 18 21
50W [345W]
HPS50W [HPS345W]
≤100 345min 485min 18 21 18 21J
HPS70W [HPS485W] ≤100 485min 585-760 19K
100 [690], 100W [690W], HPS100W [HPS690W] ≤65 690minB 760-895 18K L. 235-293M
100 [690], 100W [690W], 65-100 620minB 690-895 16K L.

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