NEW-ERA STEEL TUBE HOLDING
NINGBO PIPEWAY TRADE CO.,LTD
| Place of Origin: | China |
|---|---|
| Brand Name: | New Era |
| Certification: | ISO9001 |
| Model Number: | EN10297-1 |
| Minimum Order Quantity: | 1 tons |
| Price: | Negotiation |
| Packaging Details: | Bundles Package, Wooden Box Package |
| Delivery Time: | 45 days |
| Payment Terms: | T/T |
| Supply Ability: | 3000 tons/month |
| Material: | E235 E275 E355 E470 | OD Size: | 8-256mm |
|---|---|---|---|
| WT Size: | 1-30mm | Length: | 5.8M,6M,11.8M |
| Application: | General Engineering Purposes | Production Process: | Cold Drawn |
| Delivery Time: | 45 Days | Product Name: | Seamless Boiler Tube |
| High Light: | erw boiler tubes,cold drawn seamless pipe |
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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 Cold Rolling, On line inspection
5. Heat Treatment
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.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
| Product Name | En10297-1 Seamless Cold Drawn Circular Boiler Tube |
| Material | E235 E275 E355 E470 |
| Delivery Condition | Heat Treatment |
| Standard | En10297-1 |
| Application | Heat Exchanger, Condensers and similar heat transfer apparatus |
| Certificate | ISO 9001 |
| HS code | 7304319000 |
| Delivery Time | 45 days |
| Packing | Bundles or Wooden Boxes |
| Steel grade | C | Si | Mn | P | S | Cr | Mo | Ni | Other elements | |
| Steel name | Steel number | |||||||||
| E235 | 1.0308 | ≤ 0.17 | ≤ 0.35 | ≤ 1.20 | ≤ 0.030 | ≤ 0.035 | ||||
| E275 | 1.0225 | ≤ 0.21 | ≤ 0.35 | ≤ 1.40 | ≤ 0.030 | ≤ 0.035 | Al ≥ 0.010 | |||
| E315 | 1.0236 | ≤ 0.21 | ≤ 0.30 | ≤ 1.50 | ≤ 0.030 | ≤ 0.035 | N≤ 0.020 | |||
| E355B | 1.0580 | ≤ 0.22 | ≤ 0.55 | ≤ 1.60 | ≤ 0.030 | ≤ 0.035 | Nb≤ 0.07 | |||
| E470 | 1.0536 | 0.16--0.22 | 0.10— 0.50 | 1.30— 1.70 | ≤ 0.030 | ≤ 0.035 | V 0.08/0.15 | |||
| Steel Grade | Condition | Minimum tensileproperties | |||||||||||
| Steel name | Steel number | Delivery condition | Yield strength(REH)Mpa b | Tensile strength(RM)Mpa | Elongation A | ||||||||
| For T in mm | For T in mm | % | |||||||||||
| ≤ 16 | more than 16 | more than 40 | more than 65 | more than 80 | ≤ 16 | more than 16 | more than 40 | more than 65 | l | t | |||
| ≤ 40 | ≤ 65 | ≤ 80 | ≤ 100 | ≤ 40 | ≤ 65 | ≤ 100 | - | - | |||||
| E235 | 1.0308 | +AR or +N | 235 | 225 | 215 | 205 | 195 | 360 | 360 | 360 | `340 | 25 | 23 |
| E275 | 1.0225 | +AR or +N | 275 | 265 | 255 | 245 | 235 | 410 | 410 | 410 | 380 | 22 | 20 |
| E315 | 1.0236 | +AR or +N | 315 | 305 | 295 | 280 | 270 | 450 | 450 | 450 | 420 | 21 | 19 |
| E355 | 1.0580 | +AR or +N | 355 | 345 | 335 | 315 | 295 | 490 | 490 | 490 | 470 | 20 | 18 |
| E470 | 1.0536 | +AR | 470 | 430 | - | - | - | 650 | 600 | 17 | 15 | ||