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ASTM A709 pereti maitai
ASTM A709 pereti maitai
ASTM A709 pereti maitai
ASTM A709 pereti maitai

ASTM A709 pereti maitai

ASTM A709 / A709M Whakatakotoranga Paerewa mo te Wao me te Kaha-Teitei-iti-Haumau Hanganga Hanganga Hanganga, Papa, me nga Pae me nga Pereti Hanganga Tio-me-Tempered Alloy Structural Plates mo Bridges Hua me nga Ratonga / Paerewa & Whakaputa / Paerewa Hua
Nga korero hua
Ko te ASTM A709 te Whakatakotoranga Paerewa mo te Structural Steel mo nga Piriti me te whakauru i te waro, te kaha teitei-iti, me nga tira koranu kua tineia me te whakamaarama hei pereti hanganga mo te hanga piriti. Ka tukuna e Gnee nga tohu e rima e whai ake nei o A709; 36, 50, 50W, HPS 50W me HPS 70W. Ko nga tohu huarere e toru o 50W, HPS 50W, me HPS 70W he ASTM G101 kua whakarei ake i te Taurangi Aatete Waihanga Atmospheric ≥6.0.
Te hanganga matū me te taonga miihini
A709 Kōeke 36 Te hanganga matū Te tātari wera
mm matotoru Te maitai hanganga Pereti maitai Pae porohita maitai
≤20 20~≤40 40~≤65 65~≤100 ≤20 20~≤40 40~≤100
C,max,% 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,mōrahi,% 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

He 709 Gr. 36 taonga miihini
A709 Kōeke Mātotoru
mm
Tukunga
[MPa]
Tana [MPa] Whakaroa Min % whakahekenga
Min
%
HB
Pereti maitai Te maitai hanganga
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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