Sa kasalukuyan, mayroong kabuuang 45 set ng tuluy-tuloy na rolling mill na itinayo o nasa ilalim ng konstruksyon at inilagay sa operasyon sa China. Kabilang sa mga nasa ilalim ng konstruksiyon ang 1 set ng Jiangsu Chengde Steel Pipe Co., Ltd., 1 set ng Jiangsu Changbao Pleasant Steel Pipe Co., Ltd., at Henan Anyang Longteng Heat Treatment Materials. 1 set sa Hebei Chengde Jianlong Special Steel Co., Ltd. at 1 set sa Hebei Chengde Jianlong Special Steel Co., Ltd. Ang mga detalye ng pagtatayo ng domestic tuluy-tuloy na rolling mill ay ipinapakita sa Talahanayan 1. Bilang karagdagan, ang ilang kumpanya ay mayroon ding nagpaplanong magtayo ng mga bagong tuluy-tuloy na rolling mill.
| Talahanayan 1 Kasalukuyang domestic construction ng tuluy-tuloy na rolling mill | |||||||
| Pangalan ng Kumpanya | Grid ng Mga Panuntunan ng Crew /mm | ilagay sa mga taon ng produksyon | Pinagmulan | Kapasidad / (10,000 ta) ③ | Ang uri ng tuluy-tuloy na rolling mill | Mga Detalye ng Produkto / mm | Paraan ng pagbabago ng roll |
| Baoshan Iron & Steel Co., Ltd. | Φ140 | 1985 | Alemanya | 50/80 | 8 rack na may dalawang roller + lumulutang | Φ21.3~177.8 | Two-way side change |
| Tianjin Pipe Corporation Co., Ltd. | Φ250 | 1996 | Italya | 52/90 | 7 rack na may dalawang roller + limiter | Φ114~273 | Two-way side change |
| Hengyang Valin Steel Tube Co., Ltd. | Φ89 | 1997 | Alemanya | 30/30③ | 6 na rack na may dalawang roller + kalahating float | Φ25~89(127) | One-way side change |
| Inner Mongolia BaoTou Steel Union Co.,Ltd. | Φ180 | 2000 | Italya | 20/35 | 5 rack na may dalawang roller + limiter | Φ60~244.5 | |
| Tianjin Pipe Corporation Co., Ltd. | Φ168 | 2003 | Alemanya | 25/60 | VRS+5 rack tatlong roller + semi-floating | Φ 32~168 | Axial tunnel |
| Shuangan group Seamless Steel Pipe Co., Ltd | Φ159 | 2003 | Alemanya | 16/25 | 5 rack na may dalawang roller + limiter | Φ73~159 | One-way side change |
| Hengyang Valin Steel Tube Co., Ltd. | Φ340 | 2004 | Italya | 50/70 | VRS+5 frame dalawang roller + stop | Φ133~340 | |
| Pangang Group Chengdu Steel&Vanadium Co.,Ltd. | Φ340② | 2005 | Italya | 50/80 | VRS+5 frame dalawang roller + stop | Φ139.7~365.1 | |
| Nantong Special Steel Co., Ltd. | Φ159 | 2005 | Tsina | 10/10 | 8 rack na may dalawang roller + limiter | Φ73~159 | |
| WSP Holdings Ltd. | Φ273② | 2006 | Tsina | 35/50 | 5 rack na may dalawang roller + limiter | Φ73~273 | |
| Tianjin Pipe Corporation Co., Ltd. | Φ460 | 2007 | Alemanya | 50/90 | 5 rack na may tatlong roller + limiter | Φ219~460 | Axial tunnel |
| Pangang Group Chengdu Steel&Vanadium Co.,Ltd. | Φ177 | 2007 | Italya | 35/40 | VRS+5 frame tatlong roller + stop | Φ48.3~177.8 | |
| Tianjin Pipe Corporation Co., Ltd. | Φ258 | 2008 | Alemanya | 50/60 | 6 na rack na may tatlong roller + limiter | Φ114~245 | One-way side change |
| Shuangan group Seamless Steel Pipe Co., Ltd | Φ180 | 2008 | Alemanya | 25/30 | VRS+5 frame three-roller | Φ73~278 | |
| LIMITADO ANG ANHUI TIANDA OIL PIPE COMPANY | Φ273 | 2009 | Alemanya | 50/60 | 6 na rack na may tatlong roller + limiter | Φ114~340 | |
| SHANDONG MOLONG PETROLEUM CO., LTD. | Φ180 | 2010 | Tsina | 40/35 | VRS+5 frame tatlong roller + stop | Φ60-180 | Axial tunnel |
| Liaoyang Ximulaisi Petroleum Special Pipe Manufacturing Co.,Ltd. | Φ114② | 2010 | Tsina | 30/20 | 6 na rack na may dalawang roller + limiter | Φ60.3-140 | One-way side change |
| Yantai Lubao Steel Pipe Co., Ltd. | Φ460 | 2011 | Alemanya | 60/80 | 5 rack na may tatlong roller + limiter | Φ244.5~460 | Axial tunnel |
| Heilongjiang Jianlong Iron and Steel Co., Ltd. | Φ180 | 2011 | Italya | 45/40 | 6 na rack na may tatlong roller + limiter | Φ60~180 | |
| JINGJIANG SPECIAL STEEL CO., LTD. | Φ258 | 2011 | Alemanya | 50/60 | 6 na rack na may tatlong roller + limiter | Φ114~340 | One-way side change |
| Xinjiang Bazhou Seamless Oil Pipe Co.,Ltd. | Φ366② | 2011 | Tsina | 40/40 | 6 na rack na may tatlong roller + limiter | Φ140-366 | |
| Inner Mongolia Baotou Steel Co., Ltd. Steel Pipe Company | Φ159 | 2011 | Alemanya | 40/40 | 6 na rack na may tatlong roller + limiter | Φ38~ 168.3 | Axial tunnel |
| Φ460 | 2011 | Alemanya | 60/80 | 5 rack na may tatlong roller + limiter | Φ244.5~457 | ||
| Linzhou Fengbao Pipe Industry Co., Ltd. | Φ180 | 2011 | Tsina | 40/35 | VRS+5 frame three-roller | Φ60~180 | |
| Jiangsu Tianhuai Pipe Co.,Ltd | Φ508 | 2012 | Alemanya | 50/80 | 5 rack na may tatlong roller + limiter | Φ244.5~508 | |
| Jiangyin Huarun Steel Co.,Ltd. | Φ159 | 2012 | Italya | 40/40 | VRS+5 frame three-roller | Φ48~178 | |
| Hengyang Valin Steel Tube Co., Ltd. | Φ180 | 2012 | Alemanya | 50/40 | 6 na rack na may tatlong roller + limiter | Φ114~180 | One-way side change |
| Jiangsu Chengde Steel Tube Share Co.,Ltd. | Φ76 | 2012 | Tsina | 6 | 3 rack na may tatlong roller + limiter | Φ42~76 | |
| Tianjin Master Seamless Steel Pipe Co.,Ltd. | Φ180② | 2013 | Tsina | 35 | 6 na rack na may dalawang roller + limiter | Φ60.3~177.8 | |
| Linzhou Fengbao Pipe Industry Co., Ltd. | Φ89 | 2017 | Tsina | 20 | 6 na rack na may tatlong roller + limiter | Φ32~89 | |
| Liaoning Tianfeng Special Tools Manufacturelimited Liability Company | Φ89 | 2017 | Tsina | 8 | Maikling Proseso 4 Rack MPM | Φ38~89 | |
| Shandong Panjin Steel Tube Manufacturing Co., Ltd.(sa ilalim ng Shandong Luli Group) | Φ180 | 2018 | Tsina | 40x2 ④ | 6 na rack na may dalawang roller + limiter | Φ32~180 | |
| Φ273 | 2019 | Tsina | 60x2 ④ | 5 rack na may tatlong roller + limiter | Φ180~356 | ||
| Φ180 | 2019 | Tsina | 50x2 ④ | 6 na rack na may tatlong roller + limiter | Φ60~180 | ||
| Linyi Jinzhengyang seamless steel tube co.,ltd. | Φ180 | 2018 | Tsina | 40 | 6 na rack na may tatlong roller + limiter | Φ60~180 | Axial tunnel |
| Chongqing Iron&Steel(Group)Co.,Ltd. | Φ114 | 2019 | Tsina | 15 | 6 na rack na may dalawang roller + limiter | Φ32~114.3 | One-way side change |
| Dalipal Holdings Limited | Φ159 | 2019 | Tsina | 30 | 5 rack na may tatlong roller + limiter | Φ73~159 | |
| Hengyang Valin Steel Tube Co., Ltd. | 89 | 2019 | Tsina | 20 | 6 na rack na may tatlong roller + limiter | Φ48~114.3 | |
| Inner Mongolia Baotou Steel Co., Ltd. Steel Pipe Company | Φ100Retrofit | 2020 | Tsina | 12 | 6 na rack na may tatlong roller + limiter | Φ25~89 | Axial tunnel |
| Jiangsu Chengde Steel Tube Share Co.,Ltd. | Φ127 | under construction | Tsina | 20 | 5 rack na may tatlong roller + limiter | Φ42~114.3 | One-way side change |
| Anyang Longteng Heat Treatment Material Co., Ltd. | Φ114 | under construction | Tsina | 20 | 6 na rack na may tatlong roller + limiter | Φ32~114.3 | |
| Chengde Jianlong Special Steel Co., Ltd. | Φ258 | under construction | Tsina | 50 | 6 na rack na may tatlong roller + limiter | Φ114~273 | |
| Jiangsu Changbao Pulaisen Steeltube Co., Ltd. | Φ159 | under construction | Alemanya | 30 | 6 na rack na may tatlong roller + limiter | Φ21~159 | One-way side change |
| Tandaan: ① Ang Φ89 mm unit ay binago mula sa orihinal na two-high na tuloy-tuloy na rolling sa three-high na tuloy-tuloy na rolling; ②Ang unit ay isinara; ③Idinisenyong kapasidad / aktwal na kapasidad; ④Mayroong 2 set ayon sa pagkakabanggit. | |||||||
Ang nilalaman sa itaas ay nagmula sa artikulong "Prospects for the Future Development of Continuous Tube Rolling Technology", na nai-publish sa unang isyu ng "Steel Pipe" noong 2021.
Oras ng post: Hul-12-2022
