Electric Resistance Welded Carbon Steel Heat Exchanger Tubes

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Supply TypeManufacturer, Exporter, Supplier
Preferred Buyer Location All over the world

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Company Information

Torich International Co.,Ltd

China

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Member Since 10 Years
Nature of Business Manufacturer
Year of Establishment 1997

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Designed making use of top-notch quality Carbon Steel and carbon manganese steel, our Carbon Steel Heat Exchanger Tubes comply with all the industry standards. We are a reckoned name as Manufacturer, Exporter and Supplier of Electric Resistance Welded Carbon Steel Heat Exchanger Tubes in China. Our Heat Exchanger Tubes have gone rigorous heating treatment and are outstanding on terms of performance.
Details :

Place of Origin - China
Brand Name - Torich
Certification - ISO , TS16949
Model Number - ASTM A178
Minimum Order Quantity - 5MT
Price - USD700-900
Packaging Details - Antirust protection in bundles or wooden boxes
Delivery Time - 30~40days
Payment Terms - L/C, T/T
Supply Ability - 60000 MT/year
ASTM A178 Electric resistance welded carbon steel and carbon mangaese steel boiler and superheater tubes
Applications - For Boilers,Superheaters, Heat-Exchangers, Condensers, Boiler flues, superheater flues and safe ends
Material - Carbon Steel and carbon manganese steel
Production - Electric Resistance Welding
Size range - O.D. -6-127mm, W.T. -0.9-9.1mm, L - according to customer requirement

Heat treatment :

After welding, all tubes are heat treated at a temperature of 1650 or higher and followed by cooling in air or in the cooling chamber of a controlled atmosphere furnace.
Cold-Drawn tubes are heat treatted after the final cold-draw pass at a temperature of 1200 or higher.

Tests and Inspection:

Tensile Test
Crush Test

Mechanical Test
- Flattening Test
- Flange Test

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
Tag: Electric resistance welded pipe , cold finished seamless tube

Steel Grade And Chemical Compositions:

Element	Grade A, Low-Carbon Steel	Grade C, Medium-Carbon Steel	Grade D, Carbon-Manganese Steel
Carbon	0.06-0.18	0.35 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
Mechanical Properties	Grade A	Grade C	Grade D
Tensil Streghth - min ksi[Mpa]	47[325]	47[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''(25.438.1)	0.15	0.15	1.1/2''(38.2)	22%	0
1.1/2''2''(38.150.8	0.20	0.20	-	-	-
2''2.1/2''(50.863.5)	0.25	0.25	-	-	-
2.1/2''3''(63.576.2)	0.30	0.30	-	-	-
3''4''(76.2101.6)	0.38	0.38	-	-	-
4''7.1/2''(101.6190.5)	0.38	0.64	-	-	-
7.1/29''(190.5228.6)	0.38	1.14	-	-	-