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Products
Model No.: CEW/ERW
Brand: Hujie
Usage: Special Purpose
Type: Welded
Technique: ERW
Material: Carbon Steel
Surface Treatment: Black
Section Shape: Round
Steel Tube Norm: BS3059-1
Steel Grade/Materials: 320
Steel Tube Sizes Range: OD:10-120mm,Wt:1-20mm
Application Of Steel Tubes: Boiler,Superheater,heater Exchanger
Producing Process: HFS/CFS/ERW/CEW
Supply Condition Of Steel Tubes: Straighting Tubes/U-tubes/Bending Tubes
Pipe And Tube Delivery Condition: Annealed Or Normalized
Packaging: Bundles Package, Wooden Box
Productivity: 3000 tons/month
Transportation: Ocean
Place of Origin: Zhejiang, China
Supply Ability: 3000 tons/month
Certificate: ISO9001-2008, TS16949
HS Code: 73043190
Port: Shanghai,Ningbo
Payment Type: T/T
Incoterm: FOB,CFR,CIF,FCA
ERW/CEW Welded Steel Tubes BS3059-1 Low Carbon 320
BS3059-1 Grade 320 Low Carbon Steel Tubes for Steel Boiler and superheater tubes
Low tensile carbon steel tubes for heat-exchanger,condensor,air-heater.
Method of Manufacture of Steel Tubes:
HFS-Hot finished seamless
CFS-Cold finished seamless
ERW-Electric resistance welded including induction welded
CEW-Cold finished electric resistance welded including induction welded
The external weld upset(flash) of Welded Pipes shall be removed completely.
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or ERW tubes On line inspection
5. Heat Treatment of Steel Pipes
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking of steel pipes
100% Eddy Current Testing/Hydraulic testing
100% Tubing Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
Product Name | BS3059 Seamless Cold Drawn Heat Exchanger Tube |
Materials | Grade 320 |
Delivery Condition | Heat Treatment |
Standard | BS3059-1 Steel Boiler and superheater tubes |
Application | Heat Exchanger, Condensers and similar heater,superheater |
Certificate | ISO 9001 |
HS code | 7304319000 |
Delivery Time | 40 days |
Packing | Bundles or Wooden Boxes |
Chemical Composition of Steel tubes Grade 320 HFS/CFS/ERW/CEW | C | Mn | P ≤ | S ≤ | Si ≤ |
0.06--0.16 | 0.30-0.70 | 0.035 | 0.035 | 0.35 |
The Tolerance of steel tubes:
OD Inch(mm) | + | -- | WT Inch(mm) | + | -- |
<1(25.4) | 0.10 | 0.10 | ≤1. 1/2 (38.1) | 20% | 0 |
1 to 1.1/2 (25.4 to 38.1) | 0.15 | 0.15 | >1. 1/2 | 22% | 0 |
1.1/2 to 2 (38.1 to 50.8) | 0.20 | 0.20 | | | |
2 to 2. 1/2 (50.8 to 63.5) | 0.25 | 0.25 | | | |
2. 1/2 to 3 (63.5 to 76.2) | 0.30 | 0.30 | | |
Steel tubes/superheater tubes products pictures:
Tags:U tubes,U-tubes,Bending tubes,BS3059-1 CFS/HFS/ERW/CEW tubes,superheater tubes,Steel boiler tubes
Product Categories : Welded Structural Steel Tubes
Home > Products > Welded Structural Steel Tubes > ERW/CEW Welded Steel Tubes BS3059-1 Low Carbon 320
Send Inquiry
Mr. Kevin
Tel:86-0574-87491308
Fax:86-0574-87491848
Mobile Phone:+8613355844917
Email:sales@hjbearingtube.com
Address:Industrial Park, Zhangting Town,Yuyao City, Ningbo, Zhejiang
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.