NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
| Payment Terms | T/T |
| Supply Ability | 3000 tons/month |
| Delivery Time | 45 days |
| Packaging Details | Bundles Package, Wooden Box Package |
| Material | Gr.A Gr.C Gr.d |
| Delivery Condition | KM GKM GZF NKM NZF |
| OD Size | 12.7-127mm |
| WT Size | 0.9--9.1mm |
| Keyword | ASTM A178 Electric-Resistance-Welded Boiler And Superheater Steel Tube |
| Surface | Oiled |
| Usage | Boiler And Superheater |
| Shape | Round |
| Brand Name | New Era |
| Model Number | ASTM A178 |
| Certification | ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 3000 tons/month |
| Delivery Time | 45 days | Packaging Details | Bundles Package, Wooden Box Package |
| Material | Gr.A Gr.C Gr.d | Delivery Condition | KM GKM GZF NKM NZF |
| OD Size | 12.7-127mm | WT Size | 0.9--9.1mm |
| Keyword | ASTM A178 Electric-Resistance-Welded Boiler And Superheater Steel Tube | Surface | Oiled |
| Usage | Boiler And Superheater | Shape | Round |
| Brand Name | New Era | Model Number | ASTM A178 |
| Certification | ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR | Place of Origin | China |
| High Light | weldable steel pipe ，welding round tubing | ||
Application:boiler tubes,boiler flues,superheater flues and safe ends.
Size:L--4~12m
OD--12.7-127mm
WT--0.9-9.1mm
Grade:Type A,C and D
Manufacture :electric-resistance welding.
Heat Treatment:After welding,all tubes shall be heat treated at a temperature of 1650°F[900℃]or higher and followed by cooling in air or in the cooling chamber of a controlled-atmosphere furnace.Cold-drawn tubes shall be heat treated after the final cold-draw pass at a temperature of 1200°F[650℃] or higher.
TABLE 1 Allowable deviation of outer diameter and wall thickness
Unit: millimeter
| Nominal outside diameter D | Allowable deviation of outer diameter | Permissible deviation of wall thickness |
| D≤48.3 | ±0.50 | ±10%S |
| 48.3<D≤273 | ±1%D | |
| D>273 | ±0.75%D |
TABLE 2 Mechanical Property
| Grade | Tensile strength
| Lower yield strength | Elongation A% Not less than | |
| D≤168.3 | D>168.3 | |||
| Type A | 375 | 235 | 15 | 20 |
| Type C | 390 | 295 | 13 | 18 |
| Type D | 470 | 345 | 13 | 18 |
| Note : Tensile test arbitration time is based on longitudinal sample. | ||||
Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation
Inspection items:
chemical composition
Tensile test
Ultrasonic examination
Eddy current flaw detection
Bending test
Flattening test
FAQ:
1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality.
You need to in charge of Express costs.
2. How about your production capacity?
3000 tons/Month.
3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.
4. Where is your factory?
Jiaxing city, 2 hours away from Shanghai.
5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade
3). Tube Size and Size Tolerance
4). Tube length
5). Quantity
6). If any special requirements
6. How about the minimum order quantity?
Normally for one size above 1 ton.
Welcome to contact us! Thanks.
Company Details
Business Type:
Manufacturer
Year Established:
1988
Total Annual:
100000000-15000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int... Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int...
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