July 25 Chongqing Profile Market Price Quotes

Name of product	specification	Materials	Steel factory / origin	Price (yuan/ton)	Than yesterday	Compared to last week	Than last month
I-beam	25#	Q235	Lai Gang	3730	0	0	0
I-beam	36#	Q235	Baogang	3950	0	0	0
Channel steel	16#	Q235	Liu Gang	3750	0	0	0
Channel steel	25#	Q235	Wu Gang	3800	0	0	0
Angle Steel	50*5mm	Q235	Angang	3650	0	0	0
Angle Steel	50*5mm	Q235	Nanchang Steel Works	3600	0	0	0

Washers
Plain washers, which spread a load, and prevent damage to the surface being fixed, or provide some sort of insulation such as electrical

Spring washers, which have axial flexibility and are used to prevent fastening or loosening due to vibrations

Locking washers, which prevent fastening or loosening by preventing unscrewing rotation of the fastening device; locking washers are usually also spring washers.

Materials

Washers can be fabricated from a variety of materials including, but not limited to:^[23]

Steel â€“ Carbon steel, spring steel, A2 (304) stainless steel, and A4 (316/316L) stainless steel

Non-ferrous metal â€“ Copper, brass, aluminium, titanium, iron, bronze, and zinc

Alloy â€“ Silicon bronze, Inconel, Monel, and Hastelloy

Plastic â€“ Thermoplastics and thermosetting polymers such as polyethylene, PTFE (Teflon)^[24]

Nylon â€“ Nylon 6, Nylon 66, Nylatron, and Tecamid MDS^[25]

Specialty â€“ Fibers, ceramics, rubber, felt, leather, bimetals, and mica

Phenolic â€“ The material has good electrical insulation, is lightweight, tough, has low moisture absorption, is heat resistant, and is resistant to chemicals and corrosion. Phenolic washers are substitutes for flat metallic washers in cases where electrical insulation is required. Phenolic washers are stamped out of large sheets of the phenolic material. The term [phenolic washer" is sometimes used for stamped washers from laminated materials such as paper, canvas, and Mylar.

Washers,Plain washers,Spring washers,Locking washers
Suzhou Gubao Screws Co.,Ltd. , https://www.gbscrewes.com