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gost19903-90是俄羅斯什么材質(zhì)? - 鋼材相關(guān)技術(shù)問題
請問:gost19903-90是俄羅斯什么材質(zhì)?
gang.josen.net/index.php/ask/view_23... 2025-5-27
用于加工工業(yè)的冷拔無縫熱交換器管 - 鋼材知識問答系統(tǒng)│常州仁成...
用于加工工業(yè)的冷拔無縫熱交換器管 本手冊中描述的管材用于建造熱交換設(shè)備,例如加工工業(yè)的煉油、氣體冷凝器和石化廠。這些熱交換器的使用溫度范圍為 -100°C 至 +625°C,(-150°F ~ 1150°F)。管材參數(shù)(尺寸、鋼級等)由設(shè)計者根據(jù)所使用的流體、溫度和壓力設(shè)備確定。
emlog.josen.net/post/290.html 2024-8-12
Jiangsu Tiancheng Group Limited-What is Alloy Steel? and What...
Alloy steel is a steel that has had small amounts of one or more alloying elements (other than carbon) such as such as manganese, silicon, nickel, titanium, copper, chromium and aluminum added. This produces specific properties that are not found in regular carbon steel. Alloy steels are wo...
tiancheng.josen.net/post/...html 2024-5-7
鋼管壓扁試驗開裂原因分析與改進(jìn)措施 - 鋼材知識問答系統(tǒng)│常州仁...
鋼管壓扁試驗中出現(xiàn)的斷裂現(xiàn)象主要由于鋼中夾雜物多和氧含量高。通過金相顯微鏡、掃描電鏡等分析,發(fā)現(xiàn)夾雜物主要為復(fù)合硅酸鹽、氧化鋁及硫化物,且氧含量高達(dá)141.26×10^-6。這些夾雜物在軋制過程中形成裂紋,成為斷裂源。改進(jìn)措施包括優(yōu)化脫氧方式、延長吹氬時間和使用高
emlog.josen.net/post/152.html 2024-7-13
CF53中高碳低合金鋼特性標(biāo)準(zhǔn)及熱處理詳解 - 鋼材知識問答系統(tǒng)│...
CF53是德國標(biāo)準(zhǔn)DIN 17212中的一種中高碳低合金鋼(對應(yīng)中國55/50鋼),具有高強(qiáng)度、耐磨和耐疲勞特性,廣泛用于齒輪、軸類等高負(fù)荷機(jī)械零件。其化學(xué)成分含碳0.47%~0.57%,抗拉強(qiáng)度達(dá)640~880MPa,硬度198~263HBW。熱處理推薦830~870℃正火或800~860℃淬火+150~600℃回火,需
emlog.josen.net/post/1719.html 2025-5-30
Jiangsu Tiancheng Group Limited-What is 4140 Steel, How is...
AISI 4140 steel is a low alloy steel containing chromium, molybdenum, and manganese. It is widely used across numerous industries and is an excellent material choice due to its toughness, high fatigue strength, and abrasion and impact resistance. Not many grades can match the versatility and usef...
tiancheng.josen.net/post/...html 2025-3-18
俄標(biāo)03X17H14M3 GOST 5632-2014是什么材質(zhì)? - 鋼材相關(guān)技術(shù)問題
俄標(biāo)03X17H14M3 GOST 5632-2014是什么材質(zhì)?03X17H14M3 GOST 5632-2014 請問一下這是什么材質(zhì),可以用什么材質(zhì)代替?
gang.josen.net/index.php/ask/view_23... 2025-3-15
Jiangsu Tiancheng Group Limited-Welded Pipe & Tube
Tiancheng_Groupjosen_donginfo@tiancheng.orgHome Tiancheng's ProductsWelded Pipe & Tube ASTM A178 Electric Resistance Welded Tube ERW STEEL PIPES ?? 1 ?? Copyright? Jiangsu Tiancheng Group Limited some Rights Reserved. ★常州精密鋼管博客★ Z-BlogPHP 1.7.3 中文版 English ...
tiancheng.josen.net/category...html 2025-3-15