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Jiangsu Tiancheng Group Limited-ASTM A192 Seamless Carbon...
Home Tiancheng's ProductsSeamless Steel TubeContent ASTM A192 Seamless Carbon Steel TubePublisher:TianchengTime:2018-07-06Number:190ASTM A192 Seamless Carbon Steel Tube ASTM A192 Carbon Steel Tube specification covers Seamless Carbon Steel Boiler Tubes for High-Pressure Service. Recommended pipe size ...
tiancheng.josen.net/post/...html 2025-3-8
Jiangsu Tiancheng Group Limited-ASTM A213 Stainless Steel...
ASTM A213 Stainless Steel Seamless Tube ASTM A213 Stainless Steel Seamless Tube: ASTM A213/ASME SA213 covers low alloy steel pipes and minimum-wall-thickness, seamless ferritic and austenitic steel, boiler and super-heater tubes and austenitic steel heat-exchanger tubes, designated Grades TP304,...
tiancheng.josen.net/post/...html 2025-3-17
Jiangsu Tiancheng Group Limited-Black Phosphating Precision...
Black Phosphating Precision Tube Black Phosphating Precision Tube Standard:EN10305-1, EN10305-4, DIN2391, DIN2391-C, SAE J524, DIN73000, GB8713, GB/T3639 Steel Grade:E215, E235, E355, ST30Al, ST37, ST52, 10#, 20#, Q345, 16Mn...
tiancheng.josen.net/post...html 2025-3-17
Jiangsu Tiancheng Group Limited-Galvanized Seamless Pipe
JIANGSU TIANCHENG GROUP LIMITED Yaoguan Town, Changzhou City, Jiangsu Province,China+86-519-88387662+86-519-85121683steel_tubesteeltube.chinaTiancheng_Groupjosen_donginfo@tiancheng.orgTags:Galvanized Seamless Pipe 2018-06-19Galvanized Seamless Pipe & Tubes ?? 1 ?? ...
tiancheng.josen.net/tags-...html 2025-3-18
時效變形的原理與防止方法 - 鋼材知識問答系統(tǒng)│常州仁成金屬精密...
時效變形是零件在常溫下隨時間發(fā)生的尺寸和形狀變化,常見于精密測量工具中。淬火零件會先膨脹后收縮,變化程度與鋼的含碳量有關(guān)。時效變形的主要原因是淬火后殘余奧氏體和馬氏體的不穩(wěn)定組織及殘余應(yīng)力。為防止時效變形,可通過冷處理和回火使殘余奧氏體穩(wěn)定,冷處理后再進
bk.josen.net/post/AgingDeformati...html 2025-2-11
Jiangsu Tiancheng Group Limited-Galvanized Seamless Tubes
JIANGSU TIANCHENG GROUP LIMITED Yaoguan Town, Changzhou City, Jiangsu Province,China+86-519-88387662+86-519-85121683steel_tubesteeltube.chinaTiancheng_Groupjosen_donginfo@tiancheng.orgTags:Galvanized Seamless Tubes 2018-06-19Galvanized Seamless Pipe & Tubes ?? 1 ?? ...
tiancheng.josen.net/tags-...html 2025-3-17
鋼管生產(chǎn)概論:1.2 鋼管的技術(shù)要求 - 鋼材知識問答系統(tǒng)│常州仁成...
1.2 鋼管的技術(shù)要求 1.2.1 鋼管生產(chǎn)的技術(shù)依據(jù) 鋼管的產(chǎn)品標(biāo)準(zhǔn)是現(xiàn)場組織鋼管生產(chǎn)的技術(shù)依據(jù),是鋼管產(chǎn)品的考核標(biāo)準(zhǔn),也是供需雙方在現(xiàn)有生產(chǎn)水平下所能達到的一種技術(shù)協(xié)議。 一般國家和行業(yè)標(biāo)準(zhǔn)規(guī)定的內(nèi)容如下: 1)品種,即鋼管產(chǎn)品的規(guī)格標(biāo)準(zhǔn)。規(guī)定了各種鋼管產(chǎn)品應(yīng)具有
bk.josen.net/post/TechnicalRequireme... 2025-4-4
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