Cobalt-based alloy powders are commonly used in plasma transfer arc welding (PTAW) due to their excellent high-temperature properties and resistance to wear and corrosion. These alloys are typically composed of cobalt as the base metal, with various alloying elements such as chromium, tungsten, nickel, and carbon added to enhance specific properties. Co Powder,Cobalt 6 Powder,Cobalt 12 Powder,Cobalt 21 Powder Luoyang Golden Egret Geotools Co., Ltd , https://www.xtcwelding.com
The use of cobalt-based alloy powders in PTAW offers several advantages, including:
1. High-temperature strength: Cobalt-based alloys exhibit excellent strength and resistance to deformation at elevated temperatures, making them suitable for welding applications that involve high heat.
2. Wear resistance: These alloys have a high hardness and resistance to wear, making them ideal for welding applications where the welded parts are subjected to abrasive or erosive conditions.
3. Corrosion resistance: Cobalt-based alloys offer good resistance to corrosion, making them suitable for welding applications in aggressive environments, such as those involving chemicals or saltwater.
4. Thermal conductivity: Cobalt-based alloys have good thermal conductivity, allowing for efficient heat transfer during welding and reducing the risk of heat-affected zone (HAZ) defects.
5. Compatibility with other materials: Cobalt-based alloys can be easily welded to a wide range of base metals, including stainless steels, nickel alloys, and other cobalt-based alloys, providing versatility in welding applications.
To use cobalt-based alloy powders for PTAW, the powder is typically fed into the plasma arc using a powder feeder. The powder is then melted by the high-temperature plasma arc and deposited onto the workpiece, forming a weld bead. The specific welding parameters, such as arc current, travel speed, and powder feed rate, will depend on the specific alloy and application requirements.
It is important to note that the selection of the cobalt-based alloy powder should be based on the specific welding application and the desired properties of the final weld. Different cobalt-based a
July 25 Tianjin Steel Market Price Quotes
Product Name Specification Material Steel Factory/Origin Price Today (yuan/ton) Yesterday Price (yuan/ton) Change (yuan/ton) High-line φ6.5-10mm Q235 Shougang 5650-5670 5650-5680 Drop 10 High-line φ6.5 -10mm Q235 Tangshan Steel 5650-5670 5650-5680 fell 10 high-line φ6.5-10mm Q235 Xuanhua 5650-5670 5650-5680 fell 10 high-line φ6.5-10mm Q235 Tiangang 5650-5670 5650-5680 fell 10% Line φ6.5-10mm Q235 Shougang 5650-5670 5650-5680 Drop 10 Normal line φ6.5-10mm Q235 Tangshan Steel 5650-5670 5650-5680 Drop 10 Rebar φ12-14 HRB335 Roll 2 5420-5430 5420-5430 unchanged Rebar φ16-25 HRB335 Roll 2 5400-5410 5400-5410 Constant Rebar φ12-14 HRB335 Rolled Three 5420-5430 5420-5430 Constant Rebar φ16-25 HRB335 Rolled Three 5400-5410 5400-5410 Rebar Φ12-14 HRB335 Shougang 5550-5600 5550-5600 Rebar Rebar φ16-25 HRB335 Shougang 5350-5400 5350-5400 Rebar Rebar φ12-14 HRB335 Xuan Gang 5550-5600 5550-5600 Rebar Rebar φ16-25 HRB335 Xuan Gang 5350-5400 5350-5400 Constant Rebar φ12-14 HRB335 Tang Steel 5550-5600 5550-5600 Constant Rebar φ16-25 HRB335 Tang Steel 5350-5400 5350-5400 Constant Rebar φ16 -25 HRB335 Steel 5350-5400 5350-5400 Steel φ28-32 HRB335, Tang Steel 5400-5450 5400-5450 Steel Φ12-14 HRB400 3750-5800 5750-5800 Steel Plate Screw φ16-25 HRB400 Bearing steel 5550-5600 5550-5600 Constant three-level disk screw φ28-32 HRB400 Bearing steel 5600-5650 5600-5650 Constant round steel Φ12mm Q235 Rolling three 5600-5650 5650-5700 Drop 50 Round steel Φ16 -18mm Q235 Ansteel 5500-5550 5550-5600 fell 50 round steel Φ20-22mm Q235 Ansteel 5500-5550 5550-5600 fell 50 cold rolled sheet 1.0*1000*2000 ST12 Angang 7300-7350 7300-7350 unchanged cold rolled sheet 1.2*1000*2000 ST12 Angang 7300-7350 7300-7350 Unchanged Cold-rolled Sheet 1.5*1000*2000 ST12 Angang 7300-7350 7300-7350 Unchanged Cold-rolled Sheet 2.0*1000*2000 ST12 Angang 7300-7350 7300-7350 No Cold Rolled Sheet 1.0*1000*2000 DC01 Ben Steel 7300-7350 7300-7350 Constant Cold Rolled Sheet 1.2*1000*2000 DC01 Ben Steel 7300-7350 7300-7350 Constant Cold Rolled Sheet 1.5*1000*2000 DC01 Ben Steel 7300-7350 7300-7350 Constant cold rolled sheet 2.0*1000*2000 DC01 Bengang 7300-7350 7300-7350 Constant hot rolled sheet 2.0*1250*C Q235 TISCO 6250-6300 6250-6300 Constant hot rolled 2.75*1250*C Q235 Tangshan Iron and Steel/Taishan 6150-6200 6150-6200 constant hot-rolled steel plate 3.0*1500*C Q235 Tangshan Iron/Shandong Steel 6000-6050 6050-6100 or 50 hot-rolled steel plate 4.75*1500*C Q235 Tangshan Iron & Steel/Taigang 5800-5850 5850-5900 fell 50 hot-rolled steel plate 5.5*1500*C Q235 Tangshan Iron and Steel/clad steel 5800-5850 5850-5900 fell 50 hot-rolled plate 11.75*1500*C Q235 Tangshan Steel/clad steel 5950 -6000 6000-6050 drops 50 plate 6mm Q235 steel 6800-6850 6800-6850 unchanged plate 8mm Q235 steel 6800-6850 6800-6850 unchanged plate 10mm Q235 steel 6460-6470 6460-6470 Unchanged plate 12mm Q235 steel 6320-6330 6320-6330 unchanged plate 14-20mm Q235 steel 6230-6240 6230-6240 invariable plate 3.0mm Q235 Mei Steel 6100-6150 6100-6150 unchanged pattern Plate 4.0mm Q235 Meigang 6100-6150 6100-6150 Invariable Plate 5.0mm Q235 Benxi Steel 6100-6150 6100-6150 Constant Profile Plate 6.0mm Q235 Ben Steel 6100-6150 6100-6150 Unchanged Shipbuilding Plate 6mm CCSB Jinan Steel 8350-8400 8350-8400 Unchanged Shipbuilding Plate 8mm CCSB Jinan Steel 8150-8200 8150-8200 Unchanged Shipbuilding Plate 10mm CCSB Jinan Steel 8170-8180 8170-8180 Unchanged Shipbuilding Plate 12-25mm CCSB Jinan Steel 7780-7790 7780-7790 Unchanged low alloy plate 16 -25mm Q345B Tiansteel 6500-6510 6500-6510 unchanged low alloy plate 16-25mm Q345B Jinan Steel 6940-6950 6940-6950 unchanged color coated 0.326*1000*C SGCC Langfang 8800-8850 8800-8850 Board 0.426*1000*C SGCC Xinyu 8450-8500 8450-8500 Constant Color Coated Board 0.476*1000*C SGCC Xinyu 8300-8350 8300-8350 Constant Color Coated Board 0.5*1000*C TST01 Baosteel 8950-9000 8950-9000 Invariable color coating plate 0.6*1200*C TST01 Baosteel 8900-8950 8900-8950 Invariable galvanized sheet 1.0*1000*C DX51D+Z Benxi Steel 7550-7600 7550-7600 Invariable galvanized sheet 0.7*1250*C DX51D +Z Angang 7650-7700 7650-7700 Invariable galvanized sheet 0.6*1250*C DX51D+Z Angang 7800-7850 7800-7850 Invariable galvanized sheet 0.5*1000*C SGCC Hengtong 7700-7750 7700-7750 Unchanged Zinc plate 0.4*1000*C SGCC Hengtong 7850-7900 7850-7900 Constant hot strip universal belt 4.0*685 Q235 Xingtai 5680-5690 5680-5690 Constant hot strip universal belt 5.5/5.6*520 Q235 Xingtai 5680-5690 5680- 5690 Invariable Hot Rolled Tape 6.5*685 Q235 Xingtai 5680-5690 5680-5690 Constant Hot Rolled Tape 3.5*685 Q235 Tangshan 5680-5690 5680-5690 Constant Cold Rolled Tape 0.5mm*355 Q195 Tianjin Qifeng 6000 -6010 6050-6060 Drop 50 Cold Rolled Tape 1. 2mm*355 Q195 Tianjin Qifeng 6000-6010 6050-6060 Drop 50 Cold Rolled Tape (0.5-0.8)*(500-700) Q195 Tianjin Qifeng 6550 6550 Cold Rolled Tape (0.8-2.0)*(500 -700) Q195 Tianjin Qifeng 6550 6550 Invariable channel steel 10#*6mm Q235 Jiangtian 5500-5510 5500-5510 Constant channel steel 16#12mm Q235 Jiangtian 5500-5510 5500-5510 No channel steel 20#*12mm Q235 Jiangtian 5600-5610 5600-5610 Never change the angle steel 50mm*50*5/6m Q235 Stake 5350-5360 5350-5360 Never change the angle steel 80mm*80*8/6m Q345 Stake 5350-5360 5350-5360 Change the angle 100mm*100 *10/9m Q235 trillion Bo 5350-5360 5350-5360 unchanged I-beam 16#12mm Q235 Haicheng 5300-5310 5300-5310 I-beam unchanged 20#12mm Q235 Haicheng 5300-5310 5300-5310 Permanent Steel 25#12mm Q235 Haicheng 5500-5510 5500-5510 H-beam unchanged 200*100*5.5*8 Q235/SS400 Sunshine 5550-5560 5550-5560 H-beam unchanged 150*150*7*10 Q235/SS400 Lai Steel 5600-5610 5600-5610 Constant H-beam 300*300*10*15 Q235/SS400 Masteel 6400-6410 6400-6410 Constant H-beam 400*400*13*21 Q235/SS400 Masteel 6500-6510 6500- 6510 Invariable welded pipe 6 points/2.5mm Q235 Youfa 6060-6070 6060-6070 Invariable welded pipe 1 inch/3. 0mm Q235 Youfa 6050-6060 6050-6060 Invariable Welded Pipe 1.5"/3.25mm Q235 Youfa 5980-5990 5980-5990 Welded Invariable Pipe 4"/3.75mm Q235 Youfa 5980-5990 5980-5990 Welded Pipe 6" 4.0mm Q235 Youfa 6050-6060 6050-6060 Invariable welded pipe 1 inch/3.0mm Q235 Lida 6080-6090 6080-6090 Invariable welded pipe 1.5 inch/3.25mm Q235 Lida 6070-6080 6070-6080 Invariable welded pipe 4 inch /3.75mm Q235 Lida 6000-6010 6000-6010 Invariable Welded Pipe 6"/4.0mm Q235 Lida 6150-6160 6150-6160 Welded Invariable Pipe 8"/5.0mm Q235 Lida 6150-6160 6150-6160 Seamless Tube 76*4.5 20# Tianjin 7600-7610 7600-7610 Invariable seamless tube 108*4.5 20# Tianjin 7700-7750 7700-7750 Invariable seamless tube 114*4.5 20# Ansteel 7350-7400 7350-7400 Seamless tube 159*5 20# Angang 7550-7600 7550-7600 Seamless tube 219*6 20# Angang 8000-8050 8000-8050 Seamless tube 377*10 20# Clad steel 8200-8210 8200-8210 Invariable seamless tube 426*11 20# Baotou Steel 8200-8210 8200-8210 No change of galvanized pipe 4-6 points 2.75 Lida 7910-7920 7910-7920 No change of galvanized pipe 1-1.25 inch 3mm Lida 7540- 7550 7540-7550 Invariable galvanized tube 1.5 inch 3.25mm Leader 7290-7300 7290-7300 Change the galvanized tube 2 inches 3.25mm Leader 7180-7190 7180-7190 Constant galvanized tube 2.5 inch 3.75mm Leader 7180-7190 7180-7190 Constant galvanized tube 3 inch 3.75mm Leader 7180-7190 7180-7190 Invariable galvanized pipe 4 inch 4mm Leada 7180-7190 7180-7190 Invariable galvanized pipe 5 inch 4mm Lida 7380-7390 7380-7390 Invariable galvanized pipe 6 inch 4mm Lida 7380-7390 7380-7390 unchanged Galvanized pipe 8 inch 5mm Lida 7380-7390 7380-7390 unchanged