DIN17175 St35.8 Seamless Carbon Steel Tube for Boiler

• Customization: Available
• Application: Construction, Oil and Gas, Water Supply
• Pipe Diameter: 2 inches
• Pipe Length: 20 feet
• Surface Finish: Black
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Boiler Pipe
• Section Shape: Round
• After-Sales Service: Change/Return
• Warranty: 10 Year
• Surface: Black/Varnish/on Request
• Quality Gurantee: 100% Ut Passed
• Mill′s Cert.: En10204 3.1
• Transport Package: in Bundles or Wooden Box
• Specification: 19-350mm
• Trademark: KM/OEM
• Origin: China
• HS Code: 73041900
• Production Capacity: 30000 Tons/Year

Product Description

DIN17175 St35.8 Seamless Carbon Steel Tube For Boiler 

Applies to seamless tubes including tubes for headers of heat-resistant steels according to standard which are used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600 °C and simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.
Size: 19mm-350mm
W.T.: 1.5mm-50mm
Shape: Round
Production Type: Cold drawn or Hot rolled
Length: Single random length/ Double random length or as customer's actual request max length is 10m
Grade: ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910
Chemical composition of DIN 17175 St35.8

Standard	grade	Chemical composition
		C	Si	Mn	P,S	Cr	Mo
DIN 17175	St35.8	≤0.17	0.10-0.35	0.40-0.80	≤0.030	/	/

 
 
Mechanical property of DIN 17175 St35.8

Standard	grade	Tensile Strength(MPa)	Yield Strength(MPa)	Elongation(%)
DIN 17175	St35.8	360-480	≥235	≥25

Delivery Conditions
The tubes shall be supplied suitably heat treated over their entire length. The following heat treatment shall be used, depending on the type of steel:

• Normalizing
• Subcritical annealing
• Hardening and tempering with continuous cooling from the hardening temperature and subsequent tempering.
• Hardening and tempering with isothermal transformation.

Testing

• Tensile test
• Notch impact/bending test
• Ring test
• Non-destructive test
• Visual inspection of tube surface
• Gauging
• Leakage test
• Grade identification test
• Hot tensile test

Marking

• the manufacturer's name or trade mark;
• the specified dimensions;
• the number of this European Standard;
• the steel name or number;
• the cast number;
• the delivery condition;
• Others information by customer's

Note:

• Mill test certificates will be issued according to EN10204.3
• The tubes Shall be Seamless cold drawn or hot rolled.

Protection and Packing:

• Packed in wooden box or bundles protected with plastic paper, and suitably protected for sea-worthily delivery or as requested.
• The tubes shall be delivered with a temporary corrosion protection. The type of protection shall be at the discretion of the manufacturer

Application:
For high middle, low pressure boiler and pressure purpose
Surface treatment:
Antirust oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.

Why choose us?
One-Stop Solution
We have thousands of total production experience, from raw materials to finished products.
Competitive Price
Large scale purchase, standardized production process and efficient management make our price competitive.
Quick Shipping
Years of export experience enable us to control the transportation time more accurately.
Quality Control
The standardized production process, comprehensive management system, professional testing equipment
Special material customization
We support the customization of various complex materials
OEM/ODM
We support any form of OEM/ODM customization requirements.