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 |
| Standard | ASTM A178/A178M |
| Similar Materials | Grade A,C,D |
| Materials | Carbon-Manganese Steel;Low-Carbon Steel |
| Size Range | OD:6-127mm,Wt:1-12mm |
| Application | Low Temperature heater and superheater |
| Tubes & Pipes | welded Steel Pipes;ERW pipes;Seamless boiler pipes |
| Heat-treatment | Atmospheric Annealed Heat-treatment |
| Tube operate | U-Tubes;U-bending tube;Bending tubes |
| Brand Name | New Era |
| Model Number | ASME A-178/A178M |
| Certification | ISO9001 |
| 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 |
| Standard | ASTM A178/A178M | Similar Materials | Grade A,C,D |
| Materials | Carbon-Manganese Steel;Low-Carbon Steel | Size Range | OD:6-127mm,Wt:1-12mm |
| Application | Low Temperature heater and superheater | Tubes & Pipes | welded Steel Pipes;ERW pipes;Seamless boiler pipes |
| Heat-treatment | Atmospheric Annealed Heat-treatment | Tube operate | U-Tubes;U-bending tube;Bending tubes |
| Brand Name | New Era | Model Number | ASME A-178/A178M |
| Certification | ISO9001 | Place of Origin | China |
| High Light | Gr.A seamless boiler tube ，ASTM A178 seamless boiler tube ，ASTM A178 boiler tubes | ||
ASME SA-178/SA-178M ELECTRIC-RESISTANCE WELDED CARBON STEEL PIPES
Seamless STEEL BOILER TUBES/SUPERHEATER TUBES/ERW STEEL PIPES
ASME A178/A178M ELECTRIC-RESISTANCE WELDED BOILER TUBES/ERW ROUND BOILER TUBING/BENDING TUBES
1.This specification covers minimum-wallthickness,electric-resistance-welded tubes made of carbon
steel and carbon-manganese steel intended for use as boiler tubes, boiler flues, superheater flues, and
safe ends.
2.The tubing sizes and thicknesses usually furnished to this specification are 1⁄2 to 5 in. [12.7 to 127 mm]
in outside diameter and 0.035 to 0.320 in. [0.9 to 9.1mm], inclusive, in minimum wall thickness. Tubing
having other dimensions may be furnished, providedsuch tubes comply with all other requirements of this
specification.
3.Reference ASTM Standards:
A 226/A 226M Specification for Electric-Resistance-Welded Carbon Steel Boiler and Superheater Tubes
for High-Pressure Service
A 450/A 450M Specification for General Requirementsfor Carbon, Ferritic Alloy, and Austenitic Alloy Steel
Tubes
A 520 Specification for Supplementary Requirements for Seamless and Electric-Resistance-Welded Carbon
Steel Tubular Products for High-Temperature Service Conforming to ISO Recommendations for Boiler Construction.
E 213 Practice for Ultrasonic Examination of Metal Pipe and Tubing
E 273 Practice for Ultrasonic Examination of Longitudinal Welded Pipe and Tubing
A 450/A450M Test report required (Certification Section of Specification A 450/A 450M)
4.The steel for Grade D shall be killed.
5.Tubes shall be made by electric-resistance welding tubes/ERW tubing
6.The ERW metal tubes including steel grade A.C,D
7.After welding, all tubes shall be heat treated at a temperature of 1650°F [900°C] 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° [650°C] or higher.
8.Steel round tubing/ERW tubes Including Grade(A.C.D) Chemical Requirements:
| Element of Steel tubes | Grade A low-Carbon Steel | Grade C Medium-Carbon Steel | Grade D Carbon-Manganese Steel |
| Carbon | 0.06-0.18 | 0.035 max | 0.27 max |
| Manganese | 0.27-0.63 | 0.80 max | 1.00-1.50 |
| Phosphorus, max | 0.035 | 0.035 | 0.030 |
| Sulfur, max | 0.035 | 0.035 | 0.015 |
| Silicon | ... | ... | 0.10 min |
| Grade C | Grade D | |
| Tensile Strength, min, ksi [MPa] | 60 [415] | 70 [485] |
| Yield Strength, min, ksi [MPa] | 37 [255] | 40 [275] |
| Elongation in 2 in. or 50mm, min, % | 30 | 30 |
Tags:SA178 welded Steel tubes,SA178 welded Steel pipes;A178 steel pipes;Welded tubing;
U-pipes,U-bending pipes,Bending pipes
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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