Hpaga lam hte hkrang masa n-gun atsam akyu ara ni
ASTM A500 Grade C gaw, gawgap ai lam hte hpaga lam bungli masing ni hta lit -hkap la na matu galaw da ai welded hte n-gun n rawng ai carbon steel pipe ni hpe lachyum shaleng da ai.
Grade A hte B hta grau nna n-gun ja ai n-gun atsam hte, Grade C pipe gaw, n-gun jat ai, shinggrup ai, hte hpawng de ai n-gun atsam ni hta grau kaja ai ngang grin lam hpe jaw ya ai-dai majaw, npawt nhpang, n-gun jat ai lam, n-gang npawt nhpang ni, hte piling application nkau mi a matu htuk manu ai.
Madung akyu ni:
- N-gun ja ai npawt nhpang - kaw nna-hkum hkrang n-gun
- Weld galaw da ai hpawng ni hta lit hpe hkrak htawt sit ai lam
- Modular hkrang masa ni a matu kam mai ai galaw shapraw ai lam
Welding hte Formability a matu arung arai Chemistry
|
Hkarang jet |
Max. wt% |
Hpaji hparat a yaw shada lam |
|
Carbon |
0.26 |
Weldability hpe makawp maga ya nna, n hkrat sum hkra koi ya ai |
|
Mangan sau |
1.35 |
N-gun atsam hte ngang kang ai lam hpe madi shadaw ya ai |
|
Phosphorus |
0.035 |
Weld n-gun n rawng ai hpe pat shingdang ya ai |
|
Sulphur |
0.035 |
Steel san seng ai lam hpe grau kaja hkra galaw ya ai |
Stable metallurgy gaw weld seam galaw ai lam hpe n-gun jaw ya ai.

Structural shimlam a matu jak rung bungli galaw ai lam
|
A rai |
Ra ai lam |
Hkrang shapraw ai lachyum |
|
Yield N-gun |
ksi (317 MPa) hta grau kaba ai (sh) maren sha re. |
Column ni a matu n-gun atsam |
|
Tensile n-gun |
ksi (427 MPa) hta grau kaba ai (sh) maren sha re. |
Yawng hkra hkrang shapraw ai atsam |
|
galu wa ai |
23% hta grau kaba ai (sh) maren sha re |
Hpaga lam hte hkra machyi ai lam npu na Ductility |
Ndai atsam ni gaw nbung, mawdaw lam, shing nrai bungli galaw ai lit ni a npu hta shim lum ai deformation hpe madi shadaw ya ai.

Hpaga ladat hte hkrang shapraw ai lam a hkamja lam hpe kam hpa ai lam
ASTM A500 tsang C pipe hpe madung hku nna 2019 ning hta galaw shapraw ai re.wan n-gun ninghkap ai (ERW)shing nraicold-hSS de byin wa ai, load-bearing lang na matu n bung ai hkrang, n-gun, hte htap htuk ai hpe kam hpa ai.
Madung galaw shapraw ai shara ni:
- ERW seam hpe gram lajang aistructural frameworks hta joint ni hku nna myit ru myit tsang lam ni hpe matut manoi lwi shangun ai
- Katsi ai-hpan ai hpe hkang aiHSS a matu hkrak ai geometry hte jut radii ni hpe jaw ya ai, shara kaw fit-up hte alignment hpe grau kaja hkra galaw ya ai
- Weld seam hpe jep yu ai(visual + NDE hpe tsun da ai shaloi) gaw n-gun yawm ai-hkam sha ai (sh) ra sharawng ai-ahkyak ai hpung masha ni a matu nsen hpe jep joi ai
- Dingyang ai hte shadawn shadang hkam sharang lu aihparan hpareng ai lam gaw gawgap ai shaloi gram lajang ai bungli hpe shayawm ya ai, kaja ai hku jung da ai hpe kam shangun ai
Lahkam shagu hpe sectional n-gun hpe matut manoi tawn da lu na matu hte compression, bending, hte combined loading masa ni hta kam mai ai bungli galaw lu na matu engineering galaw da ai.

Shadawn shadang & jaw ya ai ginra
|
Hkrang |
Laksan Range |
|
Pipe grup yin |
1.66" - 28" OD (42 - 711 mm) |
|
Square HSS |
1" – 20" |
|
Laksan HSS |
1.5" × 1" – 20" × 12" |
|
Bunghku n-gun |
0.875" du hkra hkrang hta hkan nna |
|
Shadawn shadang |
6-18 m (SRL/DRL shing nrai htung tara) |
Dimensional hkam sharang ai lam ni gaw ASTM A500 ra sharawng ai lam ni hpe hkan sa ai.

Ntsa lam ngut kre ai & jahtum makawp maga na matu lata la mai ai lam ni
- Hpraw ai, n-gup magap n kap ai, shing nrai primer-hpun ka da ai ntsa
- Hka lim ai hpe makawp maga na matu-kap da ai coating lata la mai ai lam ni hpe mari la u
- End caps (sh) bevels ni hpe jung ra ai hta hkan nna
- Ndai lam ni gaw, hparan ai shaloi hkra machyi ai lam ni hte grup yin hpe hkra machyi ai lam ni kaw nna makawp maga ya ai.
Hkrang shapraw ai pipe jai lang ai lam
- Gawgap ai shadaw ni hte bracing hpung ni
- Hpaga lam hte jak rung ni hpe madi shadaw ya ai
- Hka lawng akyu hte lahta tsang gawgap ai lam ni
- Signage hpun ni hte n-gang npawt ni
- Rack masa ni hte tau hkrau galaw da ai modular daw ni
- Hpaga lam hta awng dang ai hte kam mai ai on-site assembly a matu galaw da ai.
Gawgap ai lam hte hpaga lam bungli masing ni a matu madi shadaw ai lam
Octal Pipe gaw ASTM A500 Grade C pipe hpe laika buk hku hkan tam lu ai, weld seam quality hpe ka da ai, hte galaw shapraw ai-ready end hkyen lajang ai lam ni hpe jaw ya ai majaw, npawt nhpang hte bungli galaw ai bungli masing ni hta kam hpa mai ai garan gachyan ai lam hpe madi shadaw ya lu ai.
FAQ

Q1: ASTM A500 Grade C hpe hpa a matu lang ai kun?
Q2: ASTM A500 Grade B hte Grade C lapran hpa shai ai kun?
Q3: ASTM A500 tsang C gaw "pipe" shing nrai "hpaji rawng ai hka htung (HSS)" rai kun?
Q4: A500 Grade C hpe ERW hte n-gun n rawng ai hku jaw mai na kun?
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