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DIN 17175 Seamless Steel Pipe

DIN 17175 is a standard specification for seamless tubes of heat-resistant steels used in elevated temperatures and high-pressure environments.

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DIN 17175 Seamless Steel Pipe Description

DIN 17175 standard covers a range of materials called heat-resistant steels, which are specifically developed to maintain their mechanical properties and structural integrity at elevated temperatures. These materials include various alloy and non-alloy steel grades, such as 15Mo3, 13CrMo44, 10CrMo910, and others.DIN 17175 pipes are intended for use in high-temperature and high-pressure environments, such as in boilers, pipelines, and heat exchangers. The standard outlines the requirements for dimensions, technical conditions, and mechanical properties of these tubes, ensuring their suitability and reliability in various industrial applications involving elevated temperatures.

Product Parameters

Product Name	DIN 17175 Seamless Steel Pipe
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI etc.
Outer Diameter	Seamless: 1/4"-36"	Welding: 21.3mm-3620mm
	Round Tube: 1/2"-10"	Square Tube/Rectangular Tube: 15x15mm-400x600mm
Wall Thickness	Seamless: 1.25mm-50mm	Welding: 1.65mm-65mm
Length	3-12 meters, Support customization
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Chemical Composition

DIN 17175	C	Si	Mn	P	S	Ni	Cr	Mo	Others
St35.8	0.17 Max	0.10-0.35	0.40-0.80	0.040 Max	0.040 Max	-	-	-	-
St45.8	0.21 Max	0.10-0.35	0.40-1.20	0.040 Max	0.040 Max	-	-	-	-
17Mn4	0.14-0.20	0.20-0.40	0.90-1.20	0.040 Max	0.040 Max	-	0.30 Max	-	-
19Mn5	0.17-0.22	0.30-0.60	1.00-1.30	0.040 Max	0.040 Max	-	0.30 Max	-	-
15Mo3	0.12-0.20	0.10-0.35	0.40-0.80	0.035 Max	0.035 Max	-	-	0.25-0.35	-
13CrMo910	0.10-0.18	0.10-0.35	0.40-0.70	0.035 Max	0.035 Max	-	0.70-1.10	0.45-0.65	-
10CrMo910	0.08-0.15	0.50 Max	0.40-0.70	0.035 Max	0.035 Max	-	2.00-2.50	0.90-1.20	-
14MoV63	0.10-0.18	0.10-0.35	0.40-0.70	0.035 Max	0.035 Max	-	0.30-0.60	0.50-0.70	V: 0.22-0.32
X20CrMoV121	0.17-0.23	0.50 Max	0.40-0.70	0.030 Max	0.030 Max	0.30-0.80	10.00-12.50	0.80-1.20	V: 0.25-0.35

Mechanical Properties

DIN 17175	Material No.	Minimum Yield Point MPa or N/mm2		Tensile Strength
DIN 17175	Material No.	WT: 16 mm Max	WT: 16-40 mm	Tensile Strength
St35.8	1.0305	235	225	360-480
St45.8	1.0405	-	245	410-530
17Mn4	1.0481	-	275	460-580
19Mn5	1.0482	-	315	510-610
15Mo3	1.5415	275	275	450-600
13CrMo910	1.7335	295	295	440-590
10CrMo910	1.7380	285	285	450-600
14MoV63	1.7715	325	325	460-610
X20CrMoV121	1.4922	490	490	690-850

Scope of Application

DIN 17175 alloy steel pipe adopts heat-resistant pipe, which is suitable for high-pressure environment below 600 ℃. The application scope includes the construction of boilers, pipelines, pressure vessels and equipment.

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