**Steel Market Update (April 5, 2025)** Here is the latest update on steel product prices and market trends across various manufacturers in China. Prices are listed in yuan per ton. --- ### **Rebar & High-Strength Steel Bars** - **High-line φ6.5-10mm Q235** - *Shougang* – 5360-5380 (up 80) - *Tangshan Steel* – 5360-5380 (up 80) - *Xuanhua* – 5360-5380 (up 80) - *Steel* – 5360-5380 (up 80) - **General Line φ6.5-10mm Q235** - *Shougang* – 5200-5280 (up 30) - *Tang Steel* – 5200-5280 (up 30) - **Rebar φ12-14 HRB335** - *Roll 2* – 5150-5160 (up 50) - *Roll 3* – 5150-5160 (up 50) - *Shougang* – 5430-5440 (up 50) - *Xuanhua* – 5430-5440 (up 50) - *Tang Steel* – 5430-5440 (up 50) - **Rebar φ16-25 HRB335** - *Roll 2* – 5150-5160 (up 50) - *Roll 3* – 5150-5160 (up 50) - *Shougang* – 5310-5320 (up 50) - *Xuan Gang* – 5310-5320 (up 50) - *Tang Steel* – 5310-5320 (up 50) - *Tiantie* – 5310-5320 (up 50) - **Third-grade Disk Screw φ12-14 HRB400** - *Steel* – 5570-5580 (up 50) - **Third-grade Disk Screw φ16-25 HRB400** - *Steel* – 5450-5530 (up 70) - **Third-grade Disk Screw φ28-32 HRB400** - *Steel* – 5500-5510 (up 50) --- ### **Round Steel & Structural Sections** - **Round Steel Φ12mm Q235 Roll 3** – 5250-5260 (up 100) - **Round Steel Φ16-18mm Q235 Anyang Steel** – 5000-5010 (up 50) - **Round Steel Φ20-22mm Q235 Ansteel** – 5050-5060 (up 50) - **Channel 10#*6mm Q235 Jiangtian** – 5250-5260 (up 150) - **Channel 16#*12mm Q235 Jiangtian** – 5250-5260 (up 150) - **I-beam 16#12mm Q235 Haicheng** – 5000-5010 (up 150) - **I-beam 20#12mm Q235 Haicheng** – 5050-5060 (up 150) - **H-beam 200*100*5.5*8 Q235 Rizhao** – 5350-5360 (unchanged) --- ### **Cold Rolled Sheets & Hot Rolled Plates** - **Cold Rolled Sheet 1.0*1000*2000 ST12 Angang** – 6650-6700 (unchanged) - **Cold Rolled Sheet 1.2*1000*2000 ST12 Angang** – 6650-6700 (unchanged) - **Hot Rolled Plate 2.0*1250*C Q235 TISCO** – 5850-5900 (unchanged) - **Hot Rolled Plate 3.0*1500*C Q235 Tanggang/Handan Steel** – 5450-5500 (unchanged) --- ### **Galvanized Sheets & Coated Products** - **Galvanized Sheet 1.0*1000*C DX51D+Z Bengang** – 6300-6350 (unchanged) - **Color Coated Plate 0.326*1000*C SGCC Langfang** – 7800-7850 (unchanged) - **Color Coated Panel 0.426*1000*C SGCC Xinyu** – 7300-7350 (unchanged) - **Galvanized Sheet 0.4*1000*C SGCC Hengtong** – 6850-6900 (unchanged) --- ### **Welded Pipes & Seamless Tubes** - **Welded Pipe 6 points/2.5mm Q235 Made** – 5610-5620 (unchanged) - **Seamless Tube 76*4.5 20# Tianjin** – 6550-6600 (unchanged) - **Seamless Tube 108*4.5 20# Tianjin** – 6850-6860 (up 100) - **Seamless Tube 377*10 20# Baotou Steel** – 7400-7450 (up 300) --- ### **Other Products** - **Shipbuilding Plate 6mm CCSB Jinan Steel** – 7650-7700 (unchanged) - **Low Alloy Plate 16-25mm Q345B Tiansteel** – 6150-6200 (unchanged) - **Pattern Plate 3.0mm Q235 Meigang** – 5650-5700 (unchanged) - **Cold Rolled Universal Belt 0.5mm*355 Q195 Tianjin Qifeng** – 5800 (up 50) --- ### **Market Outlook** The steel market has shown a slight upward trend today, with many products rising by 50 to 100 yuan per ton. The increase is mainly driven by higher demand from construction and infrastructure projects. However, some products remain stable due to oversupply or limited price pressure. Overall, the market remains tight, and buyers are advised to monitor price fluctuations closely for better purchasing decisions.

Laser Power Meter

Laser power meter is used to measure laser power and power stability. CNI as a world's leading designer and manufacturer of laser system, designed several laser power measurement instruments with the features of accuracy testing, easy operation, etc., which could fully meet customer's practical needs of laser power and power stability measurement. They are widely used in the research, teaching, medical science, industry and other fields.

The power can not go beyond the range of the power meter when using it.

â–  Testing Instrument: Power Meter

	Product	Picture	Model	Power range	Main Features
Thermopile Laser Power Meter	TS series (wide range)		TS2+TP100	2mW-2W	1.Wavelength range: 0.19 -20µm 2. Damage threshold: 15kW/cm2 3. Power measurement range:2mW-15W 4. Sensitivity diameter: 14mm 5. Minimum measuring precision:0.1mW 6. SMA905/ FC fiber switch connector (Optional)
			TS5+TP100	5mW-5W
			TS15+TP100	10mW-15W
			TS35+TP100	10mW-35W	1. Wavelength range: 0.19 -25µm 2. Damage threshold: 40kW/cm2 3. Power measurement range: 10mW-50W 4. Sensitivity diameter: 22mm 5. Minimum measuring precision: 0.001W 6. SMA905/ FC fiber switch connector (Optional)
			TS50+TP100	10mW-50W
			TS100+TP100	0.5W-100W	. Wavelength range: 0.19 -20µm 2. Damage threshold: 45kW/cm2 3. Power measurement range: 0.5W-100W 4. Sensitivity diameter: 25mm 5. Minimum measuring precision: 0.001W
	HS series (High Precision)		HS1+TP100	100µW-1W	1. Wavelength range: 0.19 -15µm 2. Damage threshold: 1.5kW/cm2 3. Power measurement range: 100µW-5W 4. Sensitivity diameter: 8.5mm 5. Minimum measuring precision: 0.01mW 6. SMA905/ FC fiber switch connector (Optional)
			HS5+TP100	500µW-5W
	USB series (Multi-channel)		TS2/TS5/TS15-USB TS35/TS50-USB TS100-USB HS1/HS5-USB	100µW-100W	1. Wavelength range:0.19 -25µm 2.Power measurement range: 100µW-100W 3.Single channel/multiple channel power measurement 4.PC upper computer software display measurement
Photoelectric Laser Power meter	PS100 series (High precision)		PS100	2nW-100mW	1. Wavelength range: 320-1100nm 2. High precision: ±2% 3. Resolution: 2nW 4. Minimum measuring precision: 0.001nW

â–  Examples of Testing Results

High precision photoelectric power meter testing result	Termopile power meter testing result

High Precision Laser Power Meter,Laser Power Meter,Optical Laser Power Meter,Handheld Laser Power Meter

Changchun New Industries Optoelectronics Technology Co., Ltd. , https://www.cnioptics.com