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GD0221執(zhí)行標(biāo)準(zhǔn),GD0221是什么標(biāo)準(zhǔn)? - 鋼管相關(guān)技術(shù)問(wèn)題
GD0221執(zhí)行標(biāo)準(zhǔn),GD0221是什么標(biāo)準(zhǔn)?GD0221 和 GD0308 GD0309的標(biāo)準(zhǔn)?求解:GD0221 和 GD0308 GD0309的標(biāo)準(zhǔn)里的彎
gang.josen.net/index.php/ask/view_23... 2025-3-8
鋼管相關(guān)的俄羅斯GOST標(biāo)準(zhǔn)解析(俄羅斯鋼管標(biāo)準(zhǔn)) - 鋼材知識(shí)問(wèn)答...
一帶一路鋼鐵生態(tài)必備知識(shí):解析俄羅斯GOST鋼管標(biāo)準(zhǔn)體系,涵蓋電焊/無(wú)縫鋼管等規(guī)格。GOST作為前蘇聯(lián)國(guó)家標(biāo)準(zhǔn),現(xiàn)被12個(gè)獨(dú)聯(lián)體國(guó)家采用,涉及能源、建筑等多領(lǐng)域。文章詳細(xì)梳理GOST標(biāo)準(zhǔn)發(fā)展歷程(1925年起源)、現(xiàn)行體系(含GOST R國(guó)家標(biāo)準(zhǔn)),并列舉具體鋼管標(biāo)準(zhǔn)如GOST 1070
rencheng.josen.net/xinwendongtai/gon... 2025-4-26
會(huì)員升級(jí)問(wèn)題-會(huì)員等級(jí)怎么升級(jí)? - 業(yè)務(wù)相關(guān)問(wèn)題咨詢
您好,我是你們網(wǎng)站的會(huì)員,剛注冊(cè)的(????)!!!但是你們網(wǎng)站 限制了 會(huì)員的 發(fā)言 回復(fù)次數(shù)。有什么辦法可以升級(jí)嗎?坐等答復(fù)!≧???≦
gang.josen.net/index.php/ask/view_23... 2025-4-29
Jiangsu Tiancheng Group Limited-Precision Tubes For Car...
Yaoguan Town, Changzhou City, Jiangsu Province,China+86-519-88387662+86-519-85121683steel_tubesteeltube.chinaTiancheng_Groupjosen_donginfo@tiancheng.orgTags:Precision Tubes For Car Industry 2018-06-16Precision Carbon Steel Tube for Oil Hydraulic Tube (OST-2) (OST-II TUBE) 2018-06-07Precision ...
tiancheng.josen.net/tags-...html 2025-4-22
Jiangsu Tiancheng Group Limited-Steel pipes make automobile...
Home Tiancheng's ProductsAutomobile PartsContent Steel pipes make automobile fittingsPublisher:TianchengTime:2018-06-19Number:193Steel pipes make automobile fittings Automobile Parts Steel pipes make automobile fittings Automobile Parts Steel pipes make automobile fittings Automobile Parts Steel pipes make ...
tiancheng.josen.net/post/...html 2025-3-18
Jiangsu Tiancheng Group Limited-Why ASTM A335 Seamless Steel...
Contact us JIANGSU TIANCHENG GROUP LIMITED Yaoguan Town, Changzhou City, Jiangsu Province,China +86-519-88387662 +86-519-85121683 steel_tube steeltube.china Tiancheng_Group josen_dong info@tiancheng.org Publisher:TianchengTime:2018-07-02Number:109 ...
tiancheng.josen.net/post/...html 2025-1-12
Jiangsu Tiancheng Group Limited-ERW STEEL PIPES
ERW STEEL PIPES Usage: Used for low pressure liquid delivery, such as water, gas, and oil. Process: ERW (Electric Resistance Welded) HFI (High Frequency Induction) EFW (ELECTRIC FUSION WELDED TUBE) HFW (High-Frequency Welding) Quality Standard:...
tiancheng.josen.net/post/...html 2025-3-19
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bk.josen.net/zb_system/log...php 2025-3-19
Jiangsu Tiancheng Group Limited-Precision Carbon Steel Tube...
Standard:DIN2391, ASTM A179, JIS G3455, DIN1630, OST-II TUBE Steel Grade:ST37.0, 10#, A179, SAE1010, STPG 370, St 37.4, OST-2, STS 370, OST-II Size Range:OD: 4-50, WT: 1-10.0 Delivery Condition:NBK, Bright heat treatment ...
tiancheng.josen.net/post/...html 2025-3-17