| Name of product | specification | Materials | Steel factory / origin | Price (yuan/ton) | Than yesterday | Compared to last week | Than last month |
| Common line | Φ6.5mm | Q235 | Weifang | 3900 | 0 | 0 | 530 |
| altitude | Φ6.5mm | Q235 | Beitai | 3950 | 0 | 20 | 550 |
| altitude | Φ6.5mm | Q235 | Fushun | 3950 | 0 | 20 | 550 |
| altitude | Φ8mm | Q335 | Yonggang | 4100 | 0 | -50 | 600 |
| Rebar | Φ10mm | HRB335 | Shagang | 3700 | 0 | -50 | 210 |
| Rebar | Φ12mm | HRB335 | Shagang | 3590 | 0 | -40 | 190 |
| Rebar | Φ16-25mm | HRB335 | Shagang | 3570 | 0 | -30 | 200 |
| Rebar | Φ10mm | HRB335 | Baori | 3730 | 0 | -40 | 240 |
| Rebar | Φ12mm | HRB335 | Baori | 3620 | 0 | -30 | 210 |
| Rebar | Φ16-25mm | HRB335 | Baori | 3590 | 0 | -90 | 210 |
| Rebar | Φ16-25mm | HRB335 | Jinan Steel | 3560 | 0 | -20 | 260 |
| Rebar | Φ16-25mm | HRB335 | Xicheng | 3550 | 0 | -30 | 230 |
| Grade III rebar | Φ16-25mm | HRB400 | Jinan Steel | 3720 | 0 | 0 | 290 |
| Hot rolled coil | 2.75mm*1250*C | SS400 | Zhu Gang | 4500 | 0 | 0 | 0 |
| Hot rolled coil | 3.0mm*1250*C | SS400 | Angang | 4450 | 0 | 0 | 0 |
| Hot rolled coil | 3.0mm*1250*C | Q235B | Shagang | 4450 | 0 | 0 | 0 |
| Hot rolled coil | 3.0mm*1250*C | Q235B | Handan Iron and Steel | 4450 | 0 | 0 | 0 |
| Hot rolled coil | 5.5mm*1250*C | Q235 | Shagang | 4220 | 0 | 0 | -30 |
| Hot rolled coil | 7.5mm*1500*C | Q235B | Bag / Angang | 4220 | 0 | 0 | -30 |
| Hot rolled coil | 9.5-11.5*1500*C | Q235B | Bag / Angang | 4220 | 0 | 0 | -30 |
| Cold rolled plate | 1.0mm*1250*2000 | ST12 | Angang | 4980 | 0 | 0 | 0 |
| Cold rolled plate | 1.5mm*1250*2500 | ST12 | Angang | 4980 | 0 | 0 | 0 |
| Cold rolled plate | 1.0mm*1250*2500 | ST12 | Bengang | 4980 | 0 | 0 | 0 |
| Cold rolled plate | 1.5mm*1250*2500 | ST12 | Bengang | 4980 | 0 | 0 | 0 |
| Cold rolled coil | 1.0mm*1250*C | SPCC | Ma Gang | 4950 | 0 | 0 | 0 |
| Cold rolled coil | 1.2mm*1250*C | SPCC | Ma Gang | 4950 | 0 | 0 | 0 |
| Cold rolled coil | 1.5mm*1250*C | SPCC | Ma Gang | 4950 | 0 | 0 | 0 |
| Strip steel | 2.5*355 | Q195L | Jilin Jianlong | 3760 | 0 | 50 | 380 |
| Strip steel | 2.5*183 | Q195L | Tangshan Jianlong | 3730 | 0 | 50 | 370 |
| Strip steel | 2.5*232 | Q235 | Tangshan Guofeng | 3730 | 0 | 30 | 370 |
| Strip steel | 2.5*355 | Q235 | Tangshan Stainless | 3730 | 0 | 30 | 370 |
| Strip steel | 3.75*685 | Q235 | Beitai | 3580 | 0 | 50 | 200 |
| Strip steel | 4.75*685 | Q235 | Beitai | 3580 | 0 | 50 | 200 |
| Strip steel | 5.75*685 | Q235 | Beitai | 3580 | 0 | 50 | 200 |
| Shipbuilding board | 8mm*1800*8000 | CCSB | Jinan Steel | 5160 | 0 | 0 | 520 |
| Shipbuilding board | 10mm*1800*8000 | CCSB | Jinan Steel | 5110 | 0 | 0 | 410 |
| Shipbuilding board | 20mm*1800*8000 | CCSB | Jinan Steel | 4960 | 0 | 0 | 160 |
| Puzhong board | 8mm | Q235 | New Steel | 4830 | 0 | 0 | 310 |
| Puzhong board | 10mm | Q235 | New Steel | 4680 | 0 | 0 | 260 |
| Puzhong board | 16-20mm | Q235 | New Steel | 4300 | 0 | 0 | 280 |
| Puzhong board | 16-20mm | Q235 | Nangang | 4300 | 0 | 0 | 280 |
| Color coated roll | 0.47*1000*C | SGCC | Chinatown | 6900 | 0 | 0 | 0 |
| Galvanized coil | 1.0mm*1250*C | ST02Z | Bengang | 5400 | 0 | 0 | -200 |
| ll | 1.5mm*1250*C | ST02Z | Bengang | 5450 | 0 | 0 | -150 |
| H-shaped steel | 200*200 | Q235B | Lai Gang | 4000 | 0 | 0 | 0 |
| I-beam | 25# | Q235 | Wu Gang | 3850 | 0 | 0 | 210 |
| I-beam | 25# | Q235 | Lai Gang | 3830 | 0 | 0 | 210 |
| Channel steel | 16# | Q235 | Ma Gang | 3640 | 0 | 0 | 220 |
| Angle Steel | 50*5mm | Q235 | Nangang | 3500 | 0 | 0 | 200 |
| Angle Steel | 50*5mm | Q235 | Ma Gang | 3600 | 0 | 0 | 200 |
A Blind flange is round plate which has all of the relevant boltholes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.
The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made.
Blind Flange,Forged Blind Flanges,EN1092-1 Blind Flanges,Forged Steel Blind Flanges
Shandong Zhongnuo Heavy Industry Co.,Ltd. , https://www.zhongnuoflange.com