Welded Parts for Bridge with Bridge Steel Structure Welding

• Customization: Available
• Standard: GB, EN, China GB Code, JIS Code
• Surface Treatment: Stainless Steel Sandblasting/Powder/Painting
• Model NO.: Welding Service
• Energy Source: Electric Arc
• Material: Stainless Steel
• Type: Fusion Welding
• Non-Destructive Testing: Vt/Mt/PT/Ut
• Main Material: S235/S275/S355/SS304/SS316
• Working Temp: -30℃~450℃
• Welding Method: Manual Welding/Automatic Welding
• Core Feature: Reinforced Anti-Deformation
• Execution Standard: ISO 13920, ISO 9001, ISO14001
• Service Support: OEM & ODM Customized
• Warranty Period: 1 Year
• Welding Equipment: TIG Welding Machine/MIG Welding Machine/DC Submerg
• Application: Metallurgical,Rail Transit,Paper-Making,Automotive
• Welding Process: MIG, TIG, Submerged Arc Welding, Laser Welding
• Technics: OEM, as Your Design
• Item: Machining Part
• Dimensions: Machining
• Service: Customization
• Transport Package: Customized
• Specification: Customized
• Trademark: Customized
• Origin: Shandong, China
• HS Code: 7308900000
• Production Capacity: 10000pieces/Year
• Package Size: 1000.00cm * 300.00cm * 3300.00cm
• Package Gross Weight: 20000.000kg

Product Description

Welding services

Shihua provides custom welding services for carbon steel, stainless steel, aluminum alloy, galvanized sheets and a variety of alloy materials to fully satisfy the diverse demands of industrial production and engineering applications. We employ a complete set of sophisticated high-precision welding technologies, including MIG, TIG, automatic submerged arc welding, high-speed laser welding and spot welding. Standardized operation procedures guarantee tidy and uniform weld seams, stable structural performance and superior surface quality of finished products. In strict compliance with international quality standards and customized project requirements, we deliver comprehensive non-destructive testing reports covering ultrasonic, magnetic particle and penetrant inspection, which effectively eliminate internal welding and material flaws and ensure long-lasting durability as well as stable and reliable performance of all welded parts.

Technical Consulting Service
Our seasoned engineering team offers professional technical coordination and customized one-on-one consultation support for all clients. We formulate standardized production processes and deliver complete technical drawing solutions. Customers can supply original design files, and our technical personnel are also capable of creating exclusive engineering drawings based on actual project conditions and design specifications.
Raw Material Cutting & Pretreatment
We are fully equipped with full-range cutting equipment, including laser cutters, band saw machines and wire cutting machines. All metal raw materials are processed with high-precision cutting in strict accordance with clients' design standards and dimensional tolerance requirements, ensuring each finished workpiece features precise manufacturing accuracy and stable quality consistency.

Integrated sheet metal manufacturing
We provide full-cycle one-stop sheet metal fabrication and custom processing solutions. Compatible with a wide variety of metal materials, we adopt mature forming techniques including rolling, bending and stamping to complete full-scale processing. All customized manufacturing projects are carried out in strict accordance with clients' technical drawings and standard project specifications.
Precision welding services
We adopt state-of-the-art industrial welding techniques for the assembly of metal raw materials and pre-fabricated sheet metal components. Every production procedure is closely monitored by professional process engineers to ensure all finished products deliver stable, consistent and premium-quality welding outcomes.

Custom Heat Treatment
We offer customized heat treatment processing to boost the mechanical properties of workpieces. This professional processing effectively stabilizes the structural hardness and rigidity of finished components, significantly optimizing and extending the overall service lifespan of industrial products.
Precision CNC Machining
We provide all-round CNC precision machining services, covering turning, milling, grinding and boring processes. Our skilled engineering team offers ongoing technical oversight during the entire production process, guaranteeing high machining precision and standardized dimensional conformity for all finished goods.
Custom Surface Finishing
We provide personalized surface finishing solutions to satisfy customized aesthetic demands and industrial protection criteria. All surface processing can achieve texture and visual effects specified by clients, while delivering dependable rust and corrosion resistance to ensure long-term stable operation of products.

Strict Quality Inspection
All finished workpieces undergo comprehensive multi-indicator quality testing. We implement rigorous inspections on dimensional tolerance, welding structure stability and surface finishing quality, ensuring all end products fully conform to formal industrial standards and technical specifications.

Product Assembly
We perform high-precision dimensional calibration for all components throughout the whole assembly procedure. Our factory workshop is fitted with two 50-ton overhead cranes, supporting stable, secure and highly efficient assembly work for diverse finished product type

We provide one-stop metal fabrication solutions that cover the complete manufacturing workflow. Our professional team delivers dedicated technical consultation and tailors production drawings according to the unique demands of each project. Metal base materials are accurately processed via laser cutting, bending, stamping and other proven forming techniques. Through standardized precision welding and on-site process supervision, we maintain steady and trustworthy welding quality for all workpieces.
We enhance workpiece performance through professional heat treatment, high-accuracy CNC machining and personalized anti-rust surface treatment, satisfying clients' varied demands for product appearance and long-term operational stability. All finished components go through rigorous multi-aspect inspections on dimensional precision, welding condition and surface coating quality. Fitted with heavy-duty lifting facilities, we complete standardized and accurate product assembly for all kinds of custom industrial projects.

Stainless Steel Sandblasting

Our specialized stainless steel sandblasting technology completely eliminates surface rust, grime and irregular flaws, realizing full polishing and smoothing for workpiece surfaces. It produces a homogeneous, smooth and fine surface texture, while remarkably enhancing the adhesion strength of surface coatings. This processing guarantees excellent stability and dependability for subsequent spraying, plating and diverse other surface finishing procedures.

Shot Blasting

We utilize full-automatic shot blasting equipment to thoroughly remove surface scales, oxide layers and rust remnants from metal workpieces. This sophisticated surface finishing method effectively upgrades surface cleanliness and improves the mechanical properties of base materials, laying a premium foundation for subsequent welding, painting and other finishing processes.

Powder Coating

We apply premium powder coating technologies for the surface treatment of various metal parts. This high-grade surface finishing procedure delivers excellent long-lasting anti-corrosion capability and forms a smooth, even and abrasion-resistant protective layer. It maintains stable color presentation and fine surface texture throughout the entire product service cycle.

01. Material Preparation
We are outfitted with a full set of laser cutting, sawing and wire cutting equipment. All metal raw stocks are precisely cut to standard dimensions in strict compliance with production drawings, building an accurate and reliable base for subsequent manufacturing procedures.
02. Deburring & Beveling
We completely clear sharp edge burrs off workpieces to prevent scratching during assembly operations. Precision beveling processing is conducted fully in accordance with client technical criteria, guaranteeing superior overall machining accuracy and consistent product quality.
03. Sheet Metal Processing
We deliver full-cycle sheet metal forming solutions, including rolling, bending and stamping procedures. All metal sheets are professionally molded into custom structural components to match various project design plans and application demands.
04. Welding
High-grade welding techniques are utilized for the assembly of metal materials and pre-processed sheet metal components. Experienced engineers provide ongoing on-site technical guidance during the welding workflow, ensuring standardized, steady and uniform welding outcomes.
05. Weld Seam Grinding
Uneven weld seams are finely polished and flattened in line with industrial norms. This procedure removes welding defects and delivers sleek, neat and uniform surface effects on all welded connections.
06. Heat Treatment
Standardized heat treatment procedures are implemented to optimize internal metal structures and effectively enhance the mechanical properties of workpieces. This allows finished products to retain stable structural strength and long-lasting service performance during prolonged usage.
07. Surface Treatment
We offer versatile personalized surface finishing services. These treatments satisfy customized aesthetic needs while forming robust anti-corrosion and wear-resistant protective coatings on product surfaces.
08. Quality Inspection
We conduct rigorous comprehensive quality testing before shipment, covering dimensional precision detection, welding quality examination and surface finish assessment. All products are fully validated to meet industrial standards and client technical requirements.

Standard Specification

Production Equipment List
Category	Name	Main Parameters
Machining Equipment	CNC Horizontal Boring-Milling Center	12000x4000
	CNC Gantry Machining Center	12000x4000
	CNC Gantry Machining Center	3100x6500x1750
	CNC Gantry Machining Center	2800x6000x1250
	CNC Vertical Lathe	4000x2200
	CNC Vertical Lathe	2500x1600
	Double Housing Planer Milling Machine	6000x2000
	radial Drilling Machine	2000x1500
	CNC Horizontal Boring-Milling Center	8000x4000
	Single-arm Planer Milling Machine	1000x9000
	Single-arm Planer Milling Machine	1600x6000
	CNC Horizontal Boring-Milling Center	2000x4000
	Friction Press	/
Sheet metal Equipment	Hydraulic Press	3150KN
	Hydraulic Shearing Machine	20X2500
	Hydraulic Bending Machine	100/3200
	Hydraulic Bending Machine	300/4000
	Three-Roll Plate Bending Machine	25x2000
	Corrugated Fin Forming Machine	1.2--2.0
Welding Equipment	TIG Welding Machine	/
	MIG Welding Machine	/
	DC Submerged Arc Welding Machine	/
Cutting Equipment	Plasma Cutting Machine	3000x12000
	Laser Cutting Machine	1500x4000
	Laser Cutting Machine	3000x12000
Surface Treatment	Stainless Steel Sandblasting Room	6000x4000x4000
	Spray Painting Booth	13000x6000x3500
	Spray Bake Booth	4500x4000x4000
	Powder Coating Booth	4500x4000x4000
	Pickling and Phosphatizing Tank	4000x3000
	Automatic Shot Blasting Machine	4000x4000x6000
Heat Treatment Equipmen	RT3 Car Type Annealing Furnace	5000x1500x1500

Case Showcase

Engine Housing

Machining of Forgings

Laser Cutting

Large Equipment Frame

Large Machinery Assembly

Leveling Machine for  Aluminum & Copper Sheets

Company Profile

Shandong Zouping SHIHUA Machinery Tech-nology Co., Ltd., located in Binzhou, China,boasts nearly 30 years of expertise in weldingand mechanical processing. As a professionalmetal fabrication supplier, we deliver full-rangecustom metalworking products and services toglobal clients.

We specialize in machining, metal fabrication,heat treatment, surface treatment and assembly,processing carbon steel, stainless steel, alumi-num, copper, nickel and titanium alloys. Ourhigh-precision equipment features a maximumtravel range of 12m X 4m and a single-piecelifting capacity of 50 tons, making us highly ca-pable of manufacturing heavy-duty and over-sized structural components.

Our products serve machinery, rail transit,energy, shipbuilding, bridge, infrastructure andoil & gas industries, with rich experience in papermaking machinery, petroleum equipmentand transformer oil tanks. We also offer cutting,bending, rolling service.With competitive pricing and professional capabilities, we satisfy diverse and specialized cus-tomer demands reliably.

FAQ

Q: Is the welding and sealing performance reliable for large diameter products?
A: Professional welders, double-layer shaft seal structure, and air tightness tests ensure no leakage.
 
Q: Can I customize the surface paint color and coating process?
A: Yes, we offer OEM & ODM painting services. Paint color and anti-rust coating are customizable.
 
Q: Do you make customized products?

A: Yes, all parts are customized according to customer's drawings or samples. If you wantto manufacture any parts, please feel
free to send us your drawings or samples.

Q: Will you be safe after we receive the drawings?

A:  Yes, we wllnot disclose your design to third parties without your permission. Before you send the drawing to us, we can sign
a confidentiality agreement.

Q: What payment terms do you accept?

A: Wire transfers, Western Union, Paypal, Trade Assurance are accepted, so please let us know which is convenient for you.