products

Austenitic Welded Steel Tube , Pickling Surface Carbon Steel Welded Pipe

Basic Information
Place of Origin: ZHEJIANG, CHINA
Brand Name: TORICH
Certification: ISO9001,ISO14001,TS16949
Model Number: A249/A249M-14
Minimum Order Quantity: 1Ton
Price: USD2000-5000/Tons
Packaging Details: Welded Austenitic Steel Tubes packed in wooden boxes or hexagonal bundles in seaworthy packing.
Delivery Time: 30-45work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 20000Tons per Year
Detail Information
Standard: ASTM A249, ASTM A 262, ASTM A480/A480M, ASTM A1016/A 1016M Surface: Pickling
Shape: Round Shape OD: 20-304.8mm
WT: 0.4-8.1mm Usage: Boiler, Superheater, Heat Exchanger And Conderser Tubes
High Light:

welded steel pipe

,

welding steel tubing


Product Description

TORICH A249/A249M-14 Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger and Condenser Tubes 

product description

 

Standard: ASTM A 262, ASTM A480/A480M, ASTM A1016/A 1016M,E112,E213,E273,E527,ASME Section VIII, SAE J1086

 

OD: 20-304.8mm

 

WT: 0.4-8.1mm

 

Usage: This standard is applicable to Welded Austenitic Steel Tubes forBoiler, Superheater, heat exchanger and Conderser Tubes

 

Certification: ISO9001,ISO14001,TS16949

 

Manufacture: 

1.The welded(WLD) tubes shall be made from flat-rolled steel by an automatic welding process with no addition of filler metal.

2.Subsequent to welding and prior to final heat treatment, the tubes shall be cold worked either in both weld and base metal or in weld metal only. The method of cold working may be specified by the purchaser. When cold drawn,the purchaser may specify the minimum amount of reduction in cross-sectional area or wall thickness. or both.
3. Heavily cold worked (HCW) tubes shall be made by applying cold working of not less than 35 % reduction in both wall and weld to a welded tube prior to the final anneal. No filler metal shall be used in the making of the weld.

 

 

Note: Special steel grade is also available, according to customer request.

Austenitic Welded Steel Tube , Pickling Surface Carbon Steel Welded Pipe 1Austenitic Welded Steel Tube , Pickling Surface Carbon Steel Welded Pipe 2Austenitic Welded Steel Tube , Pickling Surface Carbon Steel Welded Pipe 3

 

 

Mechanical Property

No. Unified digital code

Steel

Grade

Recommended heat treatment system Tensile property Hardness

Tensile strength

Rm/(N/mm2)

Non proportional extension strength

Rp0.2/(N/mm2)

Elongation HBW HRC
1 S21953 022Cr19Ni5Mo3Si2N 980℃~1040℃ Rapid cooling 630 440 30 290 30
2 S22253 022Cr22Ni5Mo3N 1020℃~1100℃ Rapid cooling 620 450 25 290 30
3 S22053 022Cr23Ni5Mo3N 1020℃~1100℃ Rapid cooling 655 485 25 290 30
4 S23043 022Cr23Ni4MoCuN 925℃~1050℃

Rapid cooling

D≤25mm

690 450 25 - -

Rapid cooling

D>25mm

600 400 25 290 30
5 S22553 022Cr25Ni6Mo2N 1050℃~1100℃ Rapid cooling 690 450 25 280 -
6 S22583 022Cr25Ni7Mo3WCuN 1020℃~1100℃ Rapid cooling 690 450 25 290 30
7 S25554 03Cr25Ni6Mo3Cu2N ≥1040℃ Rapid cooling 760 550 15 297 31
8 S25073 022Cr25Ni7Mo4N 1025℃~1125℃ Rapid cooling 800 500 15 300 32
9 S27603 022Cr25Ni7Mo4WCuN 1100℃~1140℃ Rapid cooling 750 550 25 300 -
No hardness required of the steel grade, only have to provide the measured data, not as the delivery conditions

 

 

 

company introduction

 

TORICH GB/T 21832 Austenitic-Ferritic(duplex) Grade Stainless Steel Welded Tubes And Pipes

 

 

production workshop

 

TORICH GB/T 21832 Austenitic-Ferritic(duplex) Grade Stainless Steel Welded Tubes And Pipes

 

packaging shipping

 

TORICH GB/T 21832 Austenitic-Ferritic(duplex) Grade Stainless Steel Welded Tubes And Pipes

 

our certificate

 

ISOFAQ

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us

Contact Details
Jasmine Zhang

Phone Number : +8618067598028

WhatsApp : +8613736164628