ERW carbon steel boiler and heat exchanger tube

Product Description

TORICH ASTM A178 Electric-Resistance-Welded carbon steel tubes boiler and Heat Exchanger Tubes

Standard	ASTM A178/A178M, A450/A450M, E213, E273
Matrial	Grade A, Grade B, Grade C
Size	OD: 12.7-127mm WT: 0.9-9.1mm Length: Customer's Requirement
Application	For Boiler, Superheater and Heat exchanger
Manufacture	The steel for Grade D shall be killed Tubes shall be made by electric-resistance-welding
Test and Inspection	Mechanical Test, Tension Test, Flattening Test Hardness Test, Flaring TestFlange Test

Chemical Requirements

Element	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

Tensile Requirements

	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

Minimum Elongation Values

Wall Thickness		Elongation in 2 in. or 50mm, min, %
in.	mm
5/16 (0.312)	8	30
9/32 (0.281)	7.2	29
1/4 (0.250)	6.4	27
7/32 (0.219)	5.6	26
3/16 (0.188)	4.8	24
5/32 (0.156)	4	22
1/8 (0.125)	3.2	21
3/32 (0.094)	2.4	20
1/16 (0.062)	1.6	18

Product Show

1. Incoming Raw Material Inspection

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

FAQ

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, it is according to quantity.

Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need 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

TORICH ASTM A178 Electric-Resistance-Welded carbon steel tubes boiler and heat exchanger tubes