SUS436L Cold Rolled Automotive Steel
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional sus436l cold rolled automotive steel manufacturers and suppliers in China. Welcome to wholesale customized sus436l cold rolled automotive steel at competitive price from our factory. Good service and quality products are available.
cold rolled steel sheet
Cold rolled steel
Cold-rolled steel is steel produced by cold rolling. Cold rolling is a steel plate obtained by further rolling the No. 1 steel plate to a target thickness at room temperature. Compared with hot-rolled steel sheets, cold-rolled steel sheets have more accurate thickness, smooth and beautiful surface, and also have various superior mechanical properties, especially in terms of processing performance. Because cold-rolled raw coils are relatively brittle and hard, they are not suitable for processing, so usually cold-rolled steel sheets are required to be annealed, pickled and surface-leveled before being delivered to customers. The maximum thickness of cold rolling is below 0.1--8.0MM. For example, the thickness of cold-rolled steel sheets in most factories is below 4.5MM; the minimum thickness and width are determined according to the equipment capacity of each factory and market demand.
Introduction
The difference between cold-rolled steel and hot-rolled steel is not in the smelting process, but in the rolling temperature, or the termination temperature of rolling. The finish rolling temperature lower than the recrystallization temperature of the steel becomes cold rolled steel. Hot-rolled steel is easy to roll and has high rolling efficiency, but the steel is oxidized under hot-rolled conditions, and the surface of the product is black and gray. Cold-rolled steel requires high mill power and low rolling efficiency, and intermediate annealing is required to eliminate work hardening during the rolling process, so the cost is also high, but cold-rolled steel has a bright surface and good quality, and can be directly used for processing Finished products, so cold-rolled steel sheets are widely used.
Convex hull defect
Cold-rolled strip steel is a strip-shaped thin steel made by cold extrusion (without heating, otherwise called hot rolling). It is a material that rolls steel into the shape we want through cold water. It uses a machine to squeeze the unshaped material into a strip-shaped very thin steel by extrusion under very cold conditions, and then passes through various A form of processing, and then through cold treatment to make the coils we need, including coils, tapes, and wires. Cold-rolled steel coils also directly refer to cold-rolled strips as cold-rolled coils. In terms of steel processing, in terms of cold processing, there is a very serious problem with convex hull defects in cold-rolled steel coils.
Products Features
| Grade: | 201 , 301 , 304 , 304L , 309S , 310S, 316L, 317L, 321, 409L, 410, 410S, 430, 439, 444, 904L, 2205, 2507, etc. | ||||
| Finish: | NO.1, 2B, 2D, BA, NO.4, NO.8, 8K, mirror, hair line, sand blast, brush, etching, checkered, embossed, etc. | ||||
| Thick: | 0.2 - 200 mm | Width: | 4 - 2000 mm | Length: | 500 - 12000 mm / coil |
| Chemical composition and mechanical properties of stainless steel | |||||||||
| Grade | Chemical Composition(%) | Mechanieal Performece | |||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Hardness | |
| 201 | ≤0.15 | ≤1.00 | 5.5/7.5 | ≤0.060 | ≤0.03 | 3.5/5.5 | 16.0/18.0 | - | HB≤241,HRB≤100,HV≤240 |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8.0/11.0 | 18.0/20.0 | - | HB≤187,HRB≤90,HV≤200 |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 | HB≤187,HRB≤90,HV≤200 |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 | HB≤187,HRB≤90,HV≤200 |
| 410 | ≤0.15 | ≤1.00 | ≤1.25 | ≤0.060 | ≤0.03 | ≤0.06 | 11.5/13.5 | - | HB≤183,HRB≤88,HV≤200 |
| 430 | ≤0.12 | ≤1.00 | ≤1.25 | ≤0.040 | ≤0.03 | - | 16.0/18.0 | - | HB≤183,HRB≤88,HV≤200 |
GNEE
Amidst the vast land of China and the majestic Taihang Mountains lies Anyang, Henan Province, located on the eastern foothills of the Taihang mountain range. It is one of the eight ancient capitals of China and home to an outstanding steel supply chain enterprise – GNEE GROUP.
GNEE GROUP, established in 2008 with a registered capital of 5 million yuan, has grown into a comprehensive steel supply chain enterprise after more than a decade of hard work and perseverance. It has five subsidiaries located in different countries and regions, including Anyang, Tianjin, Hong Kong, Zhengzhou, and Singapore, and its influence has reached out around the world.
FAQ
Q: What's your payment terms?
A: T/T, L/C or negotiation.
Q: Can I get guarantee of products?
A: Yes, every product is quality warrantee under customer correct using the products.
Q: Is OEM/ODM available?
A1: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.
Q: How is the delivery time?
A: It depends your order quantity
Q: How do you control the quality?
A: We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.
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