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ERW ASME SA-178 boiler tubes superheater tubes
  • ERW ASME SA-178 boiler tubes superheater tubes
  • ERW ASME SA-178 boiler tubes superheater tubes
  • ERW ASME SA-178 boiler tubes superheater tubes
Payment Type: T/T
Terms of Trade: FOB,CFR,CIF,FCA
Min. Order: 1 Ton
Delivery Time: 45 Days
Packaging: Bundles Package, Wooden Box
Productivity: 3000 tons/month
Brand: Huijie
Transportation: Ocean
Place of Origin: Zhejiang, China
Supply Ability: 3000 tons/month
Certificate: ISO9001-2008, TS16949
HS Code: 73043190
Port: Shanghai,Ningbo
Basic Info

Model No.: ERW ASME SA-178 superheater tubes

Product Description

ASTM A178 ERW carbon steel and carbon manganese steel boiler and superheater tubes,boiler tube/pipe

Material: Carbon steel and carbon manganese steel
Production: Electric Resistance Welding
Size range: O.D.: 12.7-127mm W.T.:0.9-9.1mm L: according to customer requirement
Applications: For Boilers, Superheaters, Heat-Exchangers, Condensers, Boiler flues, Superheater flues and Safe ends

Heat treatment:
After welding, all tubes are heat treated at a temperature of 1650℉ (900℃) or higher and followed by cooling in air or in the cooling chamber of a controlled atmosphere furnace.
Cold-Drawn tubes are heat treated after the final cold-draw pass at a temperature of 1200℉(650℃)or higher.
Tests and Inspection:
Tensile Test
Crush Test

Mechanical Test
- Flattening Test
- Flange Test

Chemical Properties

Element Grade A,Low-Cabon Steel Grade C,Medium-Carbon Steel

Grade D,
Carbon-Manganese Steel

Carbon 0.06-0.18 0.35 Max 0.27Max
Manganese 0.27-0.63 0.80Max 1.00-1.50
Phosphorus,Max 0.035 0.035 0.030
Sulfur,Max 0.035 0.035 0.015
Silicon - - 0.10 min
Mechanical Properties Grade A Grade C Grade D
Tensile Strength:min ksi(Mpa) 47(325) 60(415) 70(485)
Yield Point:min ksi(Mpa) 26(180) 37(255) 40(275)
Elongation ≥35% ≥30% ≥30%

Tolerance for OD and WT(SA-450/SA-450M)

OD in(mm) + - WT in(mm) + -
<1''(25.4) 0.10 0.10 ≤1.1/2''(38.1) 20% 0
1''~1.1''(25.4~38.1) 0.15 0.15 >1.1/2''(38.2) 22% 0
>1.1/2''~<2''(38.1~50.8 0.20 0.20
2''~<2.1/2''(50.8~63.5) 0.25 0.25
2.1/2''~<3''(63.5~76.2) 0.30 0.30
3''~<4''(76.2~101.6) 0.38 0.38
4''~<7.1/2''(101.6~190.5) 0.38 0.64
>7.1/2~9''(190.5~228.6) 0.38 1.14

ERW ASME SA-178 superheater tubes ERW ASME SA-178 boiler tubes superheater tubes SA-178M

ASME SA178 boiler tubes

Tags:SA178 welded tubes,,air heater tubes,Electric resistance tubes,heater tubes electric-resistance welded pipes A178,

Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd


Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd was Founded in 2002, the company mainly manufacturing seamless carbon steel tubes and Alloy Steel tubes, The products are mainly used in automobile, machinery, bearing, high pressure boiler and Other industries. In 2011, our company built a new factory focusing on the production of bearing steel tubes,Which covers an area of 45000 ㎡, with capacity of 60,000 tons/year, equipment and environmental protection standards reach the advanced level of the domestic counterparts, has passed ISO/TS 16949 quality management system certification. The company has more than 500 employees, more than 80 professional technical personnel, the key process is equipped with PLC automatic temperature control perforation heating, spheroidizing annealing furnace, recrystallization annealing furnace, and a variety of supporting cold rolling, cold drawing processing lines. Equipped with advanced direct reading spectrum, metallographic analysis, hardness test and other physical and chemical testing equipments and eddy current, ultrasonic non-destructive testing equipments to reach the quality of products with superior assurance conditions. From 2018,Our annual production output about 75,000tons of bearing steel tubes and carbon steel tubes, By 2019, the group's steel pipe production capacity is expected to exceed 110,000 tons. Since 2018,Ningbo Huijie start for exporting through our own branch company Ningbo pipeway,Till now,we exported bearing steel tubes and Carbon steel pipes to Canada, USA, Mexico, Peru, Chile, Thailand, Malaysia, Russia, Iran, Germany, Spain, Netherland, Japan, South Korea Australia, etc about 12 countries.

Company Info
  • Company Name: Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd
  • Representative: Mr.Kevin
  • Product/Service: Seamless Bearing Tubes , Mining Drill Pipes , Boiler Steel Tubes , Alloy Mechanical Tubing , Precision Steel tubes , Stainless Steel tubes
  • Capital (Million US $): 1.45
  • Year Established: 2002
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 11% - 20%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 50
  • No. of R&D Staff: 41 -50 People
  • No. of QC Staff: 51 -60 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 50,000-100,000 square meters
  • Factory Location: Industrial Park,Zhangting Town,Yuyao City,Ningbo City,Zhejiang Province,China
  • Contact Person: Mr. Kevin
  • Tel: 86-0574-87491308
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