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ASTM A871 / A871M - 14
ASTM A871 / A871M - 14
ASTM A871 / A871M - 14
ASTM A871 / A871M - 14

ASTM A871 / A871M maitai

Ko te taaputanga ASTM A871 te tohu paerewa mo nga pereti rino-iti-te-kaha teitei me te parenga waikura hau e whakamahia ana i roto i nga hanganga tubular me nga pou.
Whakataki hua
Ko te taaputanga ASTM A871 te tohu paerewa mo nga pereti rino-iti-te-kaha teitei me te parenga waikura hau e whakamahia ana i roto i nga hanganga tubular me nga pou. Kei te waatea nga karaehe 60 me te 65 i roto i nga tikanga tuku rite-whakatakahia, kua whakahiatotia, kua tineia ranei me te whakamaarama e hiahiatia ana kia tutuki nga ahuatanga miihini kua tohua.

Nga whakaritenga:
Matotoru: 3mm--150mm
Whānui: 30mm--4000mm
Te roa: 1000mm--12000mm
Paerewa: ASTM EN10025 JIS GB
Raraunga Hangarau
Ko te A871 Koeke 65 ka taea te hoatu hei-whakatakahia, kua whakanoatia, kua tineia ranei me te whakamahana.
A871-65 Wātea
TE MATETERE WATAHI TE ROA
A871-65 3/16" – 1 1/4" 48" – 120" 96" – 650"

ASTM A871 Kōeke 65 Tito Matū
A871-65 Tito maitai
A871-65
waro 0.17-0.2%
konupora 0.5-1.35%
Phosphorus 0.03%
whanariki 0.03%
Silicon 0.15-0.65%
Nickel 0.4-0.5%
Chromium 0.4-0.7%
Molybdenum 0-0.1%
Te parahi 0.20-0.50%
Vanadium 0.01-0.1%
Kolumbium 0-0.05%

A871 Kōeke 60 Te hanganga matū % o te tātari Hua o te kōeke
A871 Kōeke 60 Tito Matū mai i te momoI
Kōeke A871 Kōeke 60  Te Huānga Mōrahi (%)
C Mn P S Si Ni Cr Mo
A871 Kōeke 60 0.19 0.80-1.35 0.04 0.05 0.30-0.65 0.40 0.40-0.70 --
Cu V Nb
0.25-0.40 0.02-0.10 ---

A871 Grade 60 Taonga Miihini
Kōeke Te kaha tuku(Mpa)Min kaha tensile(Mpa)Min
A871 Kōeke 60 415 520
whakaroa(200mm)Min whakaroa(50mm)Min
16% 18%

1.       A871 Kōeke 60 Wā Tukunga, Wā Arataki rānei: 15-30ra
2.       A871 Kōeke 60 Ratonga Taapiri: Maimoatanga (Te Whakaputanga Putanga, Te Putea Sand, Te Peita me te Piauau), Nga Waahanga Tapahi, Ratonga Tauira, Tirohanga Tuatoru, Te Whakamatau UT me te Tirohanga Rahi.
3.       Mena kei a koe tetahi whakaritenga i roto i te pereti rino mo te A871 Grade 60, ahakoa te pereti hou, te rarangi kararehe ranei o nga rawa, tena koa waea mai ki a maatau ma te imeera waea waea.
4.       Mena he patai taau i to maatau pereti, ratonga ranei. Tena koa whakapiri mai ki ta maatau tari i muri i te ratonga kia tere ake te whakautu.

Te Kaha Teitei Pereti Haka (HSLA):
Kōeke C % Mn % P % S % Si % Cu %
A871 Gr65 ≤0.20 0.75-1.35 ≤0.04 ≤0.05 0.15-0.50 0.2-0.40
Kr % N % V % Ko % B % -
0.4-0.70 0.01-0.10 ≤0.50 -

Nga ahuatanga miihini o te pereti a871 grade 65:
Kōeke Mātotoru(mm) Hua Min(Mpa) Tiro(MPa) Whakaroa (%) Min Pānga Pūngao
A871 Gr65 ≤12mm Min 450Mpa Min550Mpa 17 -18℃ 20J
>12mm Min 450Mpa Min 550Mpa 17 -29℃ 20J

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