A179 Seamless Steel Tube Boiler Tube Heat Exchanger Tube with High Pressure

• Customization: Available
• After-sales Service: Oversea After-Sales Service
• Warranty: 24h Onilne Service
• Model NO.: EZS
• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Varnishing
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Standard: ASTM, GB, JIS
• Standard2: ASTM A106-2006, ASTM A210-1996, ASTM A213-2001, as
• Application: Boiler Pipe
• Delivery Condition: Annealed, Normalized, Normalized and Tempered
• Inspections and Tests Performed: Ut, Rt, Et
• 3-Rd Party Inspection: TUV, SGS, Ibr, BV etc
• Treatment: Pickled, Annealed, Polished
• End Type: Plain Ends, Bevel End, Threaded End
• Materials: A179/A192
• Aplication 1: Industrial Heating and Drilling
• Aplication 2: Heat Exchanger
• Aplication 3: Metel Treatment System
• Aplication 4: High Temperature Geberater Tube
• Aplication 5: Boiler
• Delivery Time: Within 7-30 Days
• Transport Package: Wooden Box/ PVC Bags/ Steel Strips/Plastic Plates
• Specification: OD: 8-168.3mm, WT: 1-15mm
• Trademark: EZS
• Origin: China
• Production Capacity: 300000t/Year

Product Description

ASTM A179/A179M Seamless Cold drawn Low carbon Steel Tubes for Tubular Heat Exchangers, Condensers

Covers seamless colddrawn lowcarbon steel tubes for heat exchangers, condensers, and similar heattransfer equipment. Suitable for moderatetemperature service where corrosion resistance and strength are required.

Specification

Chemical Composition (%)
| Element | Requirement |  
| Carbon (C) | 0.06–0.18 |  
| Manganese (Mn) | 0.27–0.63 |  
| Phosphorus (P) | ≤ 0.035 |  
| Sulfur (S) | ≤ 0.035 | 

Mechanical Properties
| Property | Requirement |  
| Tensile Strength | ≥ 325 MPa (47,000 psi) |  
| Yield Strength | ≥ 180 MPa (26,000 psi) |  
| Elongation (in 2 in./50 mm) | ≥ 35% |

Test Requirements
Hydrostatic Test: Each tube must withstand a specified water pressure without leakage (unless replaced by nondestructive testing).  
Nondestructive Electric Test (NDE): Optional alternative to hydrostatic testing (e.g., eddy current or ultrasonic testing).  
Flattening Test: A sample tube must flatten without cracking to a specified distance.  
Flaring Test: A cone expansion test to verify ductility (if required).  
Hardness Test: Optional, per agreement.

Dimensions & Tolerances
Outside Diameter: Permissible variations specified. 
Wall Thickness: Must meet minimum requirements with allowable tolerances. 
Length: Cut lengths (±1/8 in. or ±3.2 mm) or random lengths (as agreed).

Key Configurations

Inspection & Certification
Inspection: By manufacturer; purchaser may request thirdparty verification. 
Certification: Mill test reports (chemical & mechanical properties) available upon request.

Marking Requirements
Each tube must be marked with:  
ASTM standard (A179/A179M)  
Manufacturer's name or trademark  
Size (OD & wall thickness)  
Heat number or identification

PIPE MARKING

OD

WT

Item	ASTM A179	ASTM A192	ASTM A210 Gr.A	ASTM A213 T5
Standard Scope	Seamless cold drawn low carbon steel tubes for heat exchangers & condensers	Seamless carbon steel boiler tubes for high pressure service	Seamless medium carbon steel boiler & superheater tubes	Seamless ferritic alloy steel (Cr Mo) boiler, superheater & heat exchanger tubes
Material Type	Low carbon steel (mild steel)	Carbon steel	Medium carbon steel	Alloy steel (Cr Mo)
Main Alloying	C ≤ 0.10%, Mn 0.30–0.60%	C ≤ 0.15%, Mn 0.30–0.60%	C 0.15–0.25%, Mn 0.30–0.60%	C ≤ 0.15%, Mn 0.30–0.60%, Cr 4.0–6.0%, Mo 0.45–0.65%
Tensile Strength (min)	≥ 325 MPa	≥ 325 MPa	≥ 415 MPa	≥ 415 MPa
Yield Strength (min)	≥ 180 MPa	≥ 180 MPa	≥ 240 MPa	≥ 205 MPa
Max Hardness	≤ 72 HRB	≤ 77 HRB	≤ 80 HRB	≤ 179 HBW
Max Service Temp	≤ 475 °C	≤ 650 °C	≤ 650 °C	≤ 700 °C (high temperature creep)
Pressure Rating	Medium low pressure	High pressure (≤ 9.8 MPa)	High pressure	High pressure & creep service
Typical Applications	Heat exchangers, condensers, low temp heat transfer	Boiler tubes, superheaters, high pressure boilers	Boiler waterwalls, superheaters, economizers	High temp superheaters, reheaters, petrochemical high temp piping
Manufacture	Cold drawn	Seamless (hot finished / cold drawn)	Seamless	Seamless (hot finished, heat treated)
Key Feature	Economical, good thermal conductivity	Strict impurity control for high pressure	Higher strength than A192	Excellent high temperature strength & corrosion resistance

Technical Specifications

(Custom configurations available upon request.)

Seamless Pipe Standard	China	GB/T8162/T8163 GB5310/6579/9948
U.S.A.	ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/ A214/315/A500/A501/A519/A161/A334/5L/5CT
Japan	JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464
Germany	DIN 1626/17175/1629-4/2448/2391/17200 SEW680
Russia	GOST 8732/8731/3183
Materials And Grades	China	10#,20#,45#,Q345B,Q355B,20Cr,40Cr,15MoG,15CrMo,30CrMo,42Crmo,27SiMn,20CrMo
	U.S.A.	Gr.B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130
	Japan	STPG38,STB30,STS38,STB33,STB42,STS49, STBA23,STPA25,STPA23
	Germany	ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44,1.0309,1.0305,1.0405
	Russia	10, 20, 35, 45, 20X
Outside Diameter Wall Thickness Length Protect Packing Clause	10-1000 mm 1-120mm 1-12 meters vinyl cover Label with steel strips and tie them together
Terms of shipment	Container or sea bulk, a 20-inch container can load up to about 27 tons (5.8 meters long), and a 40-inch container can load up to about 28 tons (less than 11.8 meters long).
Certificate of quality	ISO, rolling mill test certificate
Surface Treatment	Black painted/varnished surface, anti-corrosive oil, galvanized or according to customer's requirements.
Technology	Hot rolling/cold rolling
Steel Grade	Q195,Q235A-B,Q345A-E,20 #,10 #,Q345B,Q355B,20Cr,40Cr,ASTM A36,ASTM A500,ASTM A53,ASTM 106,SS400,St37,St52,S235JR,S355TRH.
Pipe End	Plain, inclined, threaded, socket with hole, with PVC clapper/coupling/fixture, Or according to customer requirements.
Utilize	Liquid transportation (pump well, gas and water), building pipeline, structural pipeline (greenhouse structure, guardrail column),curtain wall, mechanical parts, etc.
Delivery Time Prompt	Inventory for 10 days; 15-20 days according to the quantity. Telegraphic transfer or letter of credit.
Price Term Porthole	CIF; CFR; FOB;EXW;L/C;T/T. Qingdao Port, Tianjin Port, Shanghai Port and China.

Optional/Special Tests

Flattening Test: A sample must flatten to a specified distance without cracking.  
Flaring Test: A cone expansion test to verify ductility (if required).  
Hardness Test: Optional, per agreement.

Method	ECT	UT (Ultrasonic)	PT (Penetrant)
Defect Type	Surface/near-surface	Internal & surface	Surface only
Depth	0–3 mm	Full wall thickness	Surface only
Speed	Very high (automated)	Medium	Slow
Couplant	None	Required	Required (chemicals)
Best For	High-speed in-line, thin-wall tubes	Thick-wall, internal flaws	Complex geometries, surface cracks

Company Profile

EZ Steel Industrial Co.,Ltd

EZ Steel Industrial Co.,Ltd is a leading manufacturer of high-performance industrial metal pipelines, specializing in alloy steel, carbon steel, stainless steel, and copper-nickel-based alloy products. With strategically located facilities in Cangzhou, Yangzhou, and Lishui, we deliver globally trusted piping solutions that combine cutting-edge technology, rigorous quality control, and unmatched expertise.

Why Choose Us?

Other Products

As an integrated manufacturer and trading specialist in metal piping materials, EZS  stands as a premier one-stop solution provider for global clients seeking reliable, customized, and technically superior pipeline products. With decades of expertise spanning production, engineering, and project execution, we deliver unmatched value through our vertically integrated capabilities.

Beyond standalone pipe supply, we provide turnkey material packages including valves, flanges, fittings, and specialty alloys. Our material engineers collaborate closely with clients to optimize specifications, reduce procurement complexities, and ensure full compliance with project standards (ASME, DIN, ISO).

FAQ

Q: What's your minimum order quantity?
A: Our minimun quantity is 500 Kg. We also can offer you samples.
Q: What's your delivery time?
A: Our normal delivery time is 7-30 days, and it depends on your quantity and items. Of course, if you need products urgently, we also will consider arranging it firstly.
Q: What's the price of your product?
A: Our prices are based on the material grade, size, quantity and physical performance etc. So if you can offer us the detailed information, then we can give you the best reasonable price. Also, we can do special size and color for customers.
Q: What's your after-sales service?
A: We have two ways to handle claims by replacement and deduction. Of course, if the materialis not good used by wrong parameter from customer, we won't be responsible.
Q: Why do you think I will want to buy from you?
A: We have advantages with 25 years of professional experiences in manufacturing & designing, advanced technology & the first-class equipment, perfect logistics management, high-quality after-sales service and competitive price.