Electric Resistance Welded Carbon Steel Heat Exchanger Tubes ASTM A178/ SA 178

Electric Resistance Welded Carbon Steel Heat Exchanger Tubes ASTM A178/ SA 178

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 e 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

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

Reference Documents:

ASTM A450/A450M Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Ally Steel Tubes

E213 Practice for Ultrasonic Examination of Metal Pipe and Tubing

E273 Practice for Ultrasonic Examination of Longitudinal Welded Pipe and Tubing

Packing Show


Producing Process

FAQ

What is your Guarantee?
 

1.SO9001:2008 and TS16949 certification, SGS, BV, TUV or other third party inspection is available.
2.High quality with competitive price.
3.Advanced technology, experienced engineer, ISO quality system for quality assurance and traceability.
 

Do you have agent or distributor in our country?
 

1.We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.
 

How is your production capability?
 

1.2000 tons monthly production capacity, 5000 tons monthly trading capability
2.Prompt and Timely shipment
 

How to get the sample?
 

1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
 

What is your Payment Term?
 

1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation
 

Who are your customers?
 

1.Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc
 

How long will you react on our requirement?
 

Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!
 

Any more questions about your doubts, please feel free to send us your emails or call!