China 1.4879 Large Diameter Seamless Steel U-Type Radiant Tubes, Find details about China Heat Resistant Alloy, Radiant Tube from 1.4879 Large Diameter Seamless Steel U-Type Radiant Tubes
Types: W-Type Radiant Tube; U-type Radiant Tube, I-type Radiant Tube and Electrical Radiant Tube
Size: OD50 to OD1500mm
Melting Methods: Electric Arc Furnaces, Induction Furnaces & Vacuum Furnaces
Production Process: Centrifugal Cast Process, Investment Cast Process, Welding Process.
Quality Control: UT,MT,RT,PT,Chemical Analysis Report, Mechanical Property Test,etc.
Heat Treatment Process: Normalizing,Quenching,Tempering,Annealing.
Surface Treatment: shot blasting,painting,plating,polishing,black oxide,transparent anti-rust oil.
Inspection: in-house inspection, third party inspection.
Standards: ANSI,ASTM,ASME,API,JIS,DIN,BS,EN,KS,UNI,SABS,GOST.
Certificates:
1. Chemical Analysis Report
2. Heat-treatment Sheet Report
3. Dimension Size Report
4. DP Test Report
Packing: Seaworthy plywood package on stell pallets or as customer's request
Competitive Advantage: Quality control and management for the whole production process, including ingot
smelting,casting, heat treatment, machining and strictly final inspection prior to delivery.
Application: Our radiant tube heaters are widely used in heat treatment equipment, auto parts, iron and steel
manufacturing,electric power, thermal-mechanical processing,aluminum industry, metallurgical equipment, petrochemical
equipment, glass machinery, ceramic machinery,food machinery, pharmaceutical machinery, power engineering industry,
and residential appliances.
Material Grade: High nickel and high chrome heat resistant alloys, cobalt base alloys, like HU, HT, HK, HP, HW,
24/24NbTiZr, 50Cr/50Ni (2.4813), 1.4865, 1.4849, 1.4848, 1.4410, 1.4059, 1.4841, 1.4845, 1.4852, 2.4879 or as per
customers' requirements.
Chemical Composition for ASTM A 297:
Grade | Type | Carbon | Manganese | Silicon | Phosphorus | Sulfur | Chromium | Nickel | MolybdenumA OtherB |
HF | 19 Chromium,9Nickel | 0.20-0.40 | 2.00 | 2.00 | 0.04 | 0.04 | 18.0-23.0 | 8.0-12.0 | 0.50 |
HH | 25 Chromium,12 Nickel | 0.20-0.50 | 2.00 | 2.00 | 0.04 | 0.04 | 24.0-28.0 | 11.0-14.0 | 0.50 |
HI | 28 Chromium,15 Nickel | 0.20-0.50 | 2.00 | 2.00 | 0.04 | 0.04 | 26.0-30.0 | 14.0-18.0 | 0.50 |
HK | 25 Chromium,20 Nickel | 0.20-0.60 | 2.00 | 2.00 | 0.04 | 0.04 | 24.0-28.0 | 18.0-22.0 | 0.50 |
HE | 29 Chromium,9 Nickel | 0.20-0.50 | 2.00 | 2.00 | 0.04 | 0.04 | 26.0-30.0 | 8.0-11.0 | 0.50 |
HT | 15 Chromium,35 Nickel | 0.35-0.75 | 2.00 | 2.50 | 0.04 | 0.04 | 15.0-19.0 | 33.0-37.0 | 0.50 |
HU | 19 Chromium,39 Nickel | 0.35-0.75 | 2.00 | 2.50 | 0.04 | 0.04 | 17.0-21.0 | 37.0-41.0 | 0.50 |
HW | 12 Chromium,60 Nickel | 0.35-0.75 | 2.00 | 2.50 | 0.04 | 0.04 | 10.0-14.0 | 58.0-62.0 | 0.50 |
HX | 17 Chromium,66 Nickel | 0.35-0.75 | 2.00 | 2.50 | 0.04 | 0.04 | 15.0-19.0 | 64.0-68.0 | 0.50 |
HC | 28 Chromium | 0.50 max | 1.00 | 2.00 | 0.04 | 0.04 | 26.0-30.0 | 4.00 | 0.50 |
HD | 28 Chromium,5 Nickel | 0.50 max | 1.50 | 2.00 | 0.04 | 0.04 | 26.0-30.0 | 4.0-7.0 | 0.50 |
HL | 29 Chromium,20 Nickel | 0.20-0.60 | 2.00 | 2.00 | 0.04 | 0.04 | 28.0-32.0 | 18.0-22.0 | 0.50 |
HN | 20 Chromium,25 Nickel | 0.20-0.50 | 2.00 | 2.00 | 0.04 | 0.04 | 19.0-23.0 | 23.0-27.0 | 0.50 |
HP | 26 Chromium,35 Nickel | 0.35-0.75 | 2.00 | 2.50 | 0.04 | 0.04 | 24-28 | 33-37 | 0.50 |