DIN17175/2448 St. 35.8 ASTM A179/210 Hot Finished with 3.1-Certificates Seamless Steel Boiler Tubes

• Customization: Available
• After-sales Service: Oversea After-Sales Service
• Warranty: Confirm with The Sellers
• Model NO.: DIN 17175/2448 St. 35.8/I
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Polished
• 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 Specifications: DIN 17175/2448,En 10216-2, JIS G3461
• Steel Grades: St.35.8,St45.8,17mn4,19mn5,15mo3
• Main Process: Hot-Formed Seamless
• Unit Leagth: 5800mm-12000mm
• Wt: 0.6mm-60mm
• Od: 10.3 to 500mm
• Ends: Plain Ends
• Products: DIN 17175/2448 St.35.8/I Hot Finished with 3.1c CE
• Surface: Pickled, Bright Annealed, Polished
• Usage1: Pipeline Transport, Boiler Pipe, Hydraulic/Automob
• Usage2: Oil & Gas Transportation, Power Station
• Usage3: Electronics, Industrial, Food, Boiler, Condenser
• Usage 4: Chemical/Electrical/Power Industry,HVAC & Refriger
• Package: Packed by Bundles, Plastic Bags, Wooden Case,etc
• Delivery: 7-35 Days
• Transport Package: Seaworthy Package
• Specification: 0.8mm-25mm
• Trademark: EZ Steel
• Origin: China
• HS Code: 73043110
• Production Capacity: 500000/Year

Product Description

DIN 17175/2448 St.35.8 ASTM A179/210 HOT FINISHED WITH 3.1C CERTIFICATES TUBES SEAMLESS BOILER TUBES

Key Specifications:
1. Standard & Certification:

Compliant with DIN 17175/2448 St.35.8/I (German industrial standard for heat-resistant steel tubes)
3.1 Material Certification (EN 10204) with full traceability
Additional certifications: ISO 9001, PED 2014/68/EU
2. Material & Chemical Composition:

Grade: St.35.8/I (Equivalent to ASTM A213 T11, 15Mo3)
Key elements: Carbon 0.10-0.18%, Molybdenum 0.40-0.55%, Manganese 0.40-1.00%
High creep resistance for sustained high-temperature service
3. Dimensions & Tolerances:

OD Range: 10.2mm – 762mm (custom sizes available)
Wall Thickness: 1.0mm – 50mm (Hot Finished)
Length: 6m-12m (standard), random/fixed lengths per request
Tolerances: OD ±1%, WT ±10% (DIN 17175 compliant)

Specification

Standard	ASME SA106, SA192, DIN17175,DIN1629/DIN2448,ASTM A179,ASME SA179,ASTM A192,ASME SA192,ASTM A210,ASME SA210,ASTM A335 BS3059,BS3059 PART II GR.360,440,GR.620-460,GR.622-490,629-470
Grade	B,X42,X46,X52,X56,X60.ASME SA179,ASME SA192,ASME SA210 A1 C ASME SA335-P5,P9,P11,P12,P15,P21,P22,P23,P91,P92. ASME SA213-T2,T5,T9,T11,T12,T17,T21,T22,T23,T24,T36,T91,T92 DIN17175,ST35.8,ST45.8,17MN4,19MN5,15MO3,13CRMO44,10CRMO910,14MOV63 EN10216-1,.P195TR1,P195TR2,P235TR1,P235TR2,P265TR1,P265TR2. EN10216-2,P195GH,P235GH,P265GH,16MO3,25CRMO4 (TC1,TC2) GBT5310,20G.20MNG,25MNG,15MOG,20MOG,12CRMOG,15CRMOG, 12CR2MOG,12CR1MOVG,
OD	14-1200mm
WT	2.0-120mm
Length	1-12.9m random length,or Fixed length( 5.8m,5.85m,6m.11.8m.12m)
Surface	Clear oil varnish.or self colo
Types	Seamless / ERW (Electric Resistance Welded)
Payment term	TT or LC
Package	Packed by bundles, plastic bags, wooden case etc.
High-Temperature Resistance	Suitable for ≤450°C service (A192)

Applications

1. Power station boilers (superheaters, reheaters)

2. High-pressure pipelines (steam, hot water)
3. Petrochemical heat exchangers

4. Power Plants

5. Industrial Boilers: Textile, food processing, and chemical plants
6. High-Pressure Piping: Steam distribution networks
7. Oil & Gas:Shell-and-tube heat exchangers in refineries
8. Condensers for LNG processing, Coolers in petrochemical plants
9. Power Generation: Feedwater heaters, Turbine condensers
10. HVAC & Refrigeration: Chiller systems, District heating pipelines
11. Industrial Processes: Chemical reactors, Waste heat recovery units

 Key Properties & Performance

High-Temperature Resistance: Suitable for ≤450°C service (A192)
Thermal Conductivity: Optimized for heat transfer in boilers/condensers
Pressure Rating: Max 30MPa (A192 tubes for high-pressure boilers)
Corrosion Resistance: Optional galvanizing/aluminizing for harsh environments

Hydrostatic Test: 1.5x working pressure
Non-Destructive Testing (NDT): Eddy current/ultrasonic inspection
Certifications:

Mill Test Report (MTR) per EN 10204 3.1
ISO 9001, ASME, PED 2014/68/EU

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.

Company Profile

EZ Steel Industrial Co., Ltd

EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Stainless steel pipe
Carbon steel pipe
Copper tube
steel fittings and flange

FAQ

Q:  How many days can you deliver after confirmed the order?
A:  For stock:  within 5-7 days;
      For customized product:  around 30 days;
      For special sizes:  subject to negotiation.

Q: How does your company do quality control?
A: ISO 9001:2015 certified;
     Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
    
Q: Can I have a factory-visit?
A:  Surely. All customers are welcome to visit us in China.

Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service. 
    
EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.

The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.

Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.