DIN 17175 Heat Resistant Seamless Steel Pipe

DIN 17175 Heat Resistant Seamless Steel Pipe

DIN 17175 heat-resistant seamless steel pipe is a seamless steel pipe used in the boiler industry. It has high heat resistance and is commonly used in boilers, pressure vessels and other equipment that need to withstand high temperature and high pressure.

standard:DIN

Surface :1. Galvanized 2. Black and Color Painting

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introduction

DIN 17175 seamless steel pipe is a pipe material designed for high temperature environments, also known as heat-strength pipe.
DIN 17175 steel pipes are available in a variety of specifications and grades, such as St35.8, St45.8, 15Mo3, etc. The outer diameter of these steel pipes usually ranges from 4.0 to 76.0 mm, the wall thickness ranges from 0.5 to 8.0 mm, and the length can reach up to 6000 mm.
St35.8 and St45.8 steel pipes are usually used to manufacture superheaters, reheaters, economizers, air preheaters for low-pressure and medium-pressure boilers, as well as pipes and containers in chemical processes.
Alloy structural steel pipes such as 15Mo3, 13CrMo44 and 10CrMo910 are suitable for manufacturing pressure-bearing parts under high temperatures due to the addition of alloying elements such as chromium and molybdenum.

Data table

DIN 17175 Chemical Composition:

DIN 17175 Steel Grade	C	Si	Mn	P	S	Cr	Mo	Ni% max
St35.8	≤0.17	0.10-0.35	0.40-0.80	≤0.040	≤0.040	/	/	-
St45.8	≤0.21	0.10-0.35	0.40-1.20	≤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	0,25- 0,35
13CrMo44	0.10-0.18	0.10-0.35	0.40-0.70	≤0.035	≤0.035	0.70-1.10	0.46-0.65	0.45- 0.65
10CrMo910	0.08-0.15	≤0.50	0.40-0.70	≤0.035	≤0.035	0.20-0.25	0.90-1.20	0.90- 1.20

DIN 17175 Mechanical Property:

DIN 17175 Steel Grade	Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation(%)
St35.8	≥235	360-480	25
St45.8	≥255	410-530	21
15Mo3	≥275	450-600	20
13CrMo44	≥290	440-590	20
10CrMo910	≥280	450-600	18

OD: 48mm-720mm
WT: 4mm-58mm
Length: 5-12m or as requirement
Application: Hydraulic system pipeline pipe, pipe for boiler project, construction structure, etc.
Surface: Varnish/Oil (red & black) painting, Zinc coated (hot dipped galvanized), Anti-corrosion powder coating, 2PP/2PE, 3PP/3PE, FBE.
Delivery state: Hot Rolled, Cold Drawn
Steel Grade: St35.8, St45.8, 15Mo3, 13CrMo44, 10CrMo910

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