Washer, machine component that is used in conjunction with a screw fastener such as a Bolt and nut and that usually serves either to keep the screw from loosening or to distribute the load from the nut or bolt head over a larger area. For load distribution, thin flat rings of soft steel are usual.
Name of product specification Materials Steel factory / origin Price on June 4 (yuan/ton) June 8 price (yuan/ton) One week ups and downs Common line Φ6.5mm Q235 Handan Iron and Steel 3500 3380 -120 altitude Φ6.5mm Q235 Handan Iron and Steel 3510 3420 -90 Rebar Φ12mm HRB335 Handan Iron and Steel 3700 3630 -70 Rebar Φ14mm HRB335 Handan Iron and Steel 3650 3580 -70 Rebar Φ25mm HRB335 Handan Iron and Steel 3510 3430 -80 Rebar Φ25mm HRB335 2672 3510 3430 -80 Hot rolled coil 2.0*1500*c Q235 Handan Iron and Steel 4500 4280 -220 Hot rolled coil 2.3*1500*c Q235 Handan Iron and Steel 4400 4200 -200 Hot rolled coil 2.5*1500*c Q235 Handan Iron and Steel 4300 4130 -170 Hot rolled coil 2.75*1500*c Q235 Handan Iron and Steel 4290 4080 -210 Hot rolled coil 3.0*1500*c Q235 Handan Iron and Steel 4150 3980 -170 Hot rolled coil 3.75*1500*c Q235 Handan Iron and Steel 4020 3780 -240 Hot rolled coil 5.5*1500*c Q235 Handan Iron and Steel 4020 3780 -240 Hot rolled coil 7.5*1500*c Q235 Handan Iron and Steel 4020 3780 -240 Cold rolled plate 0.9*1250*C SPCC Handan Iron and Steel 4900 4900 0 Cold rolled plate 1.0*1250*C SPCC Handan Iron and Steel 4850 4850 0 Cold rolled plate 1.5*1250*C SPCC Handan Iron and Steel 4850 4850 0 Cold rolled plate 2.0*1250*C SPCC Handan Iron and Steel 4850 4850 0 Plate 6mm Q235 Handan Iron and Steel 5000 4900 -100 Plate 8mm Q235 Handan Iron and Steel 4740 4650 -90 Plate 10mm Q235 Handan Iron and Steel 4540 4450 -90 Plate 12mm Q235 Handan Iron and Steel 4270 4230 -40 Plate 14-20mm Q235 Handan Iron and Steel 4150 4050 -100 Plate 14-20mm Q235 Wenfeng 4030 3960 -70 Plate 14-20mm Q235 Puyang 4100 4000 -100 Low alloy plate 8mm Q345 Handan Iron and Steel 4930 4800 -130 Low alloy plate 14-20mm Q345 Handan Iron and Steel 4300 4200 -100 I-beam 16# Q235 A Gang 3300 3300 0 I-beam 25# Q235 Lai Gang 3750 3750 0 I-beam 28-32# Q235 Angang 3800 3800 0 Channel steel 8# Q235 Tangshan 3330 3330 0 Channel steel 28# Q235 Lai Gang 3700 3700 0 Angle Steel 5# Q235 Angang 3480 3480 0 Angle Steel 14# Q235 Tang Gang 3530 3530 0
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