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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-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
Jiangsu Tiancheng Group Limited-GB 5310 Boiler Pipe-seamless...
+86-519-88387662 steeltube.china Tiancheng_Group josen_dong GB 5310 Boiler Pipe-seamless pipe used for high pressure purposes. GB 5310 seamless pipe's main application is high pressure pipeline tube in boiler project (superheater tubes, reheater tubes, windpipe), it is featured with high streng...
tiancheng.josen.net/post/...html 2025-4-22
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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
關(guān)于鋼材表面狀態(tài)3問(wèn) - 鋼材知識(shí)問(wèn)答系統(tǒng)│常州仁成金屬精密鋼管...
1.脫碳是如何引起的 脫碳是鋼表面的氧化速度比碳的擴(kuò)散速度小時(shí)發(fā)生的現(xiàn)象。氧化和碳的擴(kuò)散都是在A1相變點(diǎn)以上的高溫下強(qiáng)烈發(fā)生的。通過(guò)爐內(nèi)的加熱氣氛可控制脫碳,氧化性氣氛可引起脫碳或者氧化。特別是爐內(nèi)有水蒸氣時(shí),脫碳很?chē)?yán)重。 還有,在毛坯鍛件的熱處理中,預(yù)先用噴
emlog.josen.net/post/986.html 2024-12-4
Jiangsu Tiancheng Group Limited-Precision steel tube for...
Precision steel tube for motor casing motor Precisionsteel tubeformotorcasing Precision steel tube for motor shell
tiancheng.josen.net/post/...html 2025-4-20
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gang.josen.net/keywords...html 2023-8-19