DIN 17175 St35.8 Carbon Steel Boiler Tube

• After-sales Service: Change/Return
• Warranty: 1 Year
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Boiler Pipe
• Section Shape: Round
• W.T: 1.5-50mm
• Length: up to 11.8m
• Quality Guarantee: 100% Ut Passed
• Mill′s Certificate: En10204 3.1
• Transport Package: Bare Hex. Bundles
• Specification: 19-350mm
• Trademark: KM/OEM
• Origin: China
• HS Code: 73045990
• Production Capacity: 1000 Ton/Year

Product Description

DIN 17175 St35.8 Carbon Steel Boiler Tube 

Applies to seamless tubs 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.

Chemical Composition

Standard	Grade	Chemical Components (%)
		C	Si	Mn	P	S	Mo	Cr
DIN17175	St 35.8	≤0.17	0.10-0.35	0.40-0.80	≤0.040	≤0.040	/	/
	St 45.8	≤0.17	0.10-0.35	0.40-0.80	≤0.040	≤0.040	/	/
	15Mo3	0.12-0.20	0.10-0.35	0.40-0.80	≤0.035	≤0.035	0.25-0.35	/
	13CrMo44	0.10-0.18	0.10-0.35	0.40-0.70	≤0.035	≤0.035	0.45-0.65	0.70-1.10
	10CrMo910	0.08-0.15	≤0.50	0.40-0.70	≤0.035	≤0.035	0.90-1.20	2.0-2.50

 

Mechanical Properties

Standard	Grade	Mechanical properties
		Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
DIN17175	St 35.8	360-480	≥235	≥25
	St 45.8	410-530	≥255	≥21
	15Mo3	450-600	≥270	≥22
	13CrMo44	440-580	≥290	≥22
	10CrMo910	450-600	≥280	≥20

 

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

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