Maanshan Kingrail Technology Co.,Ltd.
                                                                                                           
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19 Years
Since 2007
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Forged Flanges Stainless Steel Carbon Steel Brass DN15-DN3000 0.6-32MPa Pressure Rating Industrial Pipe Connections

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: 1-30 working days
Brand: Kingrail
Product Description
Industrial Forged Flanges Overview

Forged flanges are precision-engineered components used for connecting pipes, valves, pumps, and other equipment in industrial piping systems. Available in stainless steel, carbon steel, and brass materials, these flanges provide reliable sealing and structural integrity across various pressure ratings and applications.

Flange Classification Standards
Industry Standard Classifications
  • Chemical Industry (HG): Integral flange (IF), threaded flange (Th), plate flat welding flange (PL), neck butt welding flange (WN), neck flat welding flange (SO), socket welding flange (SW), butt welding ring loose flange (PJ/SE), flat welding ring loose flange (PJ/RJ), lining flange cover (BL(S)), flange cover (BL)
  • Petrochemical (SH): Threaded flange (PT), butt welding flange (WN), flat welding flange (SO), socket welding flange (SW), loose flange (LJ), flange cover
  • Mechanical (JB): Integral flange, butt welding flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanging ring plate loose flange, flange cover
  • National (GB): Integral flange, threaded flange, butt welding flange, flat welding flange with neck, socket welding flange with neck, butt welding ring with neck loose flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanging ring plate loose flange, flange cover
Material Specifications
Available Materials
  • Carbon Steel: Q235A, Q235B, Q345B, C22.8, ASTM A105, SS400
  • Alloy Steel: ASTM A694, F42, F46, F52, F56, F60, F65, A350 LF2
  • Stainless Steel: ASTM A182 F1, F5, F9, F22, F91, 310/F304/304L/F316/F316L, F321, F347
Surface Treatments
  • Galvanized (hot, cold)
  • Varnish coating
  • Anti-rust oil
  • Plastic spraying
Applications

Forged flanges are widely used in chemical processing, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, power generation, aerospace, shipbuilding, and other critical infrastructure projects.

Quality Assurance & Testing Equipment
No. Device Type Qty Status Note
1 End quenching machine DZJ-I 1 working Testing
2 Electric resistance furnace SX2-8-12 2 working Testing
3 Inverted metallurgic microscope 4XCE 1 working Inspection
4 High temperature box resistance furnace SX2-4-13 1 working Testing
5 Automatic digital display Rockwell hard-tester 200HRS-180 1 working Inspection
6 Electronic Brinell hardness tester THB-3000 1 working Inspection
7 HR-150B Rockwell hardness tester HR-150B 1 working Inspection
8 Rapid multi-element analyzer JS-DN328 1 working Inspection
9 Electric arc furnace JSDL-8 1 working Testing
10 Rapid multi-element analyzer (C & S) JS-DN328 1 working Inspection
11 Infrared thermometer AR872 2 working Inspection
12 Portable chemical composition analyzer AR872 2 working Inspection
13 Test specimen sampler KW30-6 1 working Inspection
Industrial forged flanges product display Forged flange manufacturing process Quality inspection of forged flanges
Manufacturing Capabilities

Our manufacturing facility utilizes advanced forging techniques including professional overall forging, medium plate cutting, medium plate rolling, and precision CNC machining. We produce flanges ranging from DN15 to DN3000 diameters with pressure ratings from 0.6MPa to 32MPa (150Lb to 2500Lb).

Quality Certifications

We maintain ISO, RISQS, and other industry accreditations, ensuring exceptional quality for safety-critical industrial components.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Maanshan Kingrail Technology Co.,Ltd.
Location Building 1, Cross-border E-commerce Industrial Park, Comprehensive Bonded Zone, Zhengpugang New District, Ma’anshan City, Anhui Province
Contact Person Amanda

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