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{"title":"6.4M ERW Iron Pipe Q235 Welded Steel Pipe Round Carbon Steel Tube","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/2c\/6326b30546dace014ff7f8ebd63f-200x200-1\/6_4m_erw_iron_pipe_q235_welded_steel_pipe_round_carbon_steel_tube.jpg","attrs":{"Place of Origin":"Shandong, China","Minimum Order Quantity":"10 tons","Price":"$580.00\/tons 10-29 tons","Application":"Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other"}}
{"title":"Carbon Tube Square and Rectangular Steel Pipes with ASTM\/AISI\/SGCC\/CGCC\/TDC51DZM","imgUrl":"https:\/\/img.chinax.com\/nimg\/77\/69\/a1749f27b845e84fc252c92e3e54-200x200-1\/carbon_tube_square_and_rectangular_steel_pipes_with_astm_2faisi_2fsgcc_2fcgcc_2ftdc51dzm_2ftdc52dts350gd_2fts550gd_2fdx51d_z_q195_.jpg","attrs":{"Place of Origin":"Shandong, China","Brand Name":"zhongyu","Application":"Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe","Alloy Or Not":"Non-Alloy"}}
{"title":"Construction Structure Competitive Stainless Steel Thin Wall Square Tube 10 x 20","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/d2\/591202331e53ff946f90fecf0697-200x200-1\/construction_structure_competitive_stainless_steel_thin_wall_square_tube_10_x_20_20x30_mm_rectangular_hollow_tubular_pipe.jpg","attrs":{"Place of Origin":"Shandong, China","Brand Name":"zhongyu","Application":"Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe","Alloy Or Not":"Non-Alloy"}}
{"title":"EMT Pipe Engineering Grade Inox 304 Stainless Steel Industrial MIG Spiral ERW","imgUrl":"https:\/\/img.chinax.com\/nimg\/16\/b1\/45ea161163ec9a28ed3da7caee3b-200x200-1\/emt_pipe_engineering_grade_inox_304_stainless_steel_industrial_mig_spiral_erw_black_welding_butt_weld_pipes_202.jpg","attrs":{"Place of Origin":"Shandong, China","Brand Name":"zhongyu","Application":"Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe","Alloy Or Not":"Non-Alloy"}}
{"title":"6 Inch Welded Round Steel Pipe Gas Pipe with Advanced Decorative Welded 304","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/4a\/ef402895643172a46680c67b63ed-200x200-1\/6_inch_welded_round_steel_pipe_gas_pipe_with_advanced_decorative_welded_304_stainless_steel_and_api_certification.jpg","attrs":{"Place of Origin":"Shandong, China","Brand Name":"zhongyu","Application":"Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe","Alloy Or Not":"Non-Alloy"}}
{"title":"SUS 316L 201 304 Welded Thin Wall Tube ERW ASTM Welded Stainless Steel Pipe","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/61\/12aa78260df09afeb508d261999e-200x200-1\/sus_316l_201_304_welded_thin_wall_tube_erw_astm_welded_stainless_steel_pipe_within_0_1_100_thickness_for_fluid_pipe.jpg","attrs":{"Place of Origin":"Shandong, China","Brand Name":"zhongyu","Application":"Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe","Alloy Or Not":"Non-Alloy"}}
{"title":"29mm Round Electric Resistance Tig SA-Longitudinally Welded Stainless Steel Pipe","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/e5\/04f9e058c423b9b6f8db7b1413df-200x200-1\/29mm_round_electric_resistance_tig_sa_longitudinally_welded_stainless_steel_pipe_for_hydraulic_pipe_section_shape_round.jpg","attrs":{"Place of Origin":"Shandong, China","Brand Name":"zhongyu","Application":"Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe","Alloy Or Not":"Non-Alloy"}}
Welded steel pipe is a common method of joining metals, often used in construction, manufacturing, and piping engineering. Here are some basic knowledge and steps about welding steel pipes:
1.Preparation work: First, you need to prepare the required materials and tools, including steel pipes, welding rods or wires,
welding machines, welding masks, welding gloves, etc.
2. Clean the surface: Thoroughly clean the surface of the steel pipe to be welded to remove impurities such as grease, dirt, and
oxides to ensure welding quality.
3. Positioning and fixing: Position and fix the steel pipe according to the required welding position and angle. Clamps or other fixing devices can be used.
4.Heat treatment: For larger diameter steel pipes, preheat treatment can be performed to reduce welding stress and improve welding quality.
5. Welding method: Choose the appropriate welding method. Common ones include manual arc welding, gas shielded welding (such as MIG/MAG welding), TIG welding, etc. Choose the appropriate welding current and welding speed according to the specific
situation.
6. Welding operation: Contact the welding rod or welding wire with the steel pipe and apply an arc to melt and fuse with the surface of the steel pipe. During the welding process, a stable welding speed and a uniform welding current must be maintained
to ensure weld quality.
7. Post-weld treatment: After the welding is completed,necessary treatment is performed on the weld, such as grinding, removing welding slag, etc.
It should be noted that when welding steel pipes, you should follow relevant safety operating procedures, wear personal protective equipment, and ensure that the working environment is well ventilated. In addition, depending on specific needs and requirements, weld inspection and acceptance may be required to ensure that welding quality meets standards and requirements.
Specification
Thickness
kg
Specification
Thickness
kg
DN15
1.8
5.2
DN65
2.75
30.42
2
5.72
3
33.07
2.2
6.22
3.25
35.71
2.5
6.96
3.5
38.33
2.75
7.56
3.75
39.84
DN20
1.8
6.66
DN80
3
37.96
2
7.34
3.25
41
2.2
8.01
3.5
44.02
2.5
8.99
3.75
47.03
2.75
9.78
4
50.04
DN25
2
9.33
DN100
3
49.28
2.2
10.19
3.25
53.26
2.5
11.47
3.5
57.23
2.75
12.52
3.75
61.18
3
13.54
4
65.1
3.25
14.52
DN125
3.75
75.6
DN32
2.5
14.69
4
80.5
2.75
16.06
4.25
85.37
3
17.41
4.5
90.24
3.25
18.78
DN150
3.75
89.47
DN40
2.5
16.84
4
95.29
2.75
18.42
4.25
101.09
3
19.98
4.5
106.86
3.25
21.52
DN200
4.5
142.82
3.5
23.04
4.75
150.58
DN50
2.5
21.27
5
158.32
2.75
23.3
5.25
166.04
3
25.31
5.5
173.75
3.25
27.29
5.75
181.43
3.5
29.28
6
189.12
About Zhongyu
After more than 20 years of development, scientific planning, and reasonable layout, the company has formed a large-scale steel mill and high-speed wire rod that integrates steelmaking, rolling, oxygen production, power generation, and logistics. The crude steel production capacity has reached 330 About ten thousand tons. Our products include carbon steel, stainless steel, steel pipes, steel coils, steel plates, and building materials such as rebar, wire, and spiral
Steel; Steel profiles: working angle groove, H-shaped steel, square steel, flat steel, ball flat steel; More than 2800 specifications.
The company has become a designated supplier for many large enterprises due to its competitive advantages such as a wide variety of products, large inventory, excellent quality, low prices, short delivery times, and good after-sales service. Customers have spread over more than 20 provinces and cities in China, and are exported to the United States, Russia, the United Kingdom, Germany, Poland, India, Singapore, Malaysia, Australia, New Zealand, Türkiye, Qatar, Saudi Arabia, Chile, Ecuador, Venezuela, and other countries and regions in Europe, America, Southeast Asia, the Middle East, and other countries. All employees of Zhongyu Iron and Steel will continue to serve you, develop together, cooperate for mutual benefit, and prioritize honesty.
Enterprises adhere to the principle of integrity in their business philosophy, emphasize scientific management, advocate efficient operating mechanisms, and advocate a pragmatic work attitude; Ranked among the top steel enterprises in Shandong Province in terms of technical equipment, product grade, and management level. Zhongyu Iron and Steel has strong strength, integrity and determination, and is moving towards a modern steel enterprise with first-class competitiveness, per capita labor efficiency, and employee satisfaction, which is "technology-based, environmentally friendly, and efficiency oriented".
Packing & Delivery
Carbon steel plates are usually packaged in the following ways:
1. Steel strapping: Smaller size carbon steel plates are usually bundled with steel straps. Steel straps hold the steel plates in place to prevent them from slipping or deforming during transportation. In addition, labels can also be packaged on the steel belt to identify the specifications, quantity and other information of the steel plate.
2. Double-layer waterproof packaging: In order to prevent carbon steel plates from contacting the air and avoiding oxidation and rust, plastic PVC tarps are often used for packaging. It can effectively isolate air and moisture and maintain the surface quality of carbon steel plates.
FAQ
1. Are you trading company or manufacturer?
We are professional manufacturer for steel pipes,and our company also is a very professional and technical foreign trade company for steel products. We have more export experience with competitive price and best after-sales service. Apart from this,we can provide a wide range of steel products to meet the requirement of customer.
2.Will you delivery the goods on time?
Yes, we will send the goods to you within the delivery period to ensure that you can receive the goods in time .
3.Do you provide samples? is it free or extra?
The sample could can provide for customer with free,but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate.
4.How can I get your quotation as soon as possible?
The email and fax will be checked within 24 hours,meanwhile,the Skype,Wechat and WhatsApp will be online in 24 hours.Please send us your requirement and order information,specification(Steelgrade,size,quantity,destination port),we will work out a best price soon.
Shandong Zhongyu Weiye Trading Co.,Ltd is situated in Liaocheng Industrial Park, Shandong, China. With over 15 years of experience in the steel industry, our company has established a strong presence. We currently have three platforms on Alibaba.com, managed by a team of 12 skilled sales professiona... Shandong Zhongyu Weiye Trading Co.,Ltd is situated in Liaocheng Industrial Park, Shandong, China. With over 15 years of experience in the steel industry, our company has established a strong presence. We currently have three platforms on Alibaba.com, managed by a team of 12 skilled sales professiona...
