DIN17175 15Mo3 Straight Seam Welded Tube

DIN 17175 takes into account the heat resistance of steel pipe manufacturing processes. These products are typically high-voltage components and can be used in temperature ranges up to 600°C. Application areas for DIN 17175 15Mo3 steel pipes include the construction of boiler systems, piping systems, pressure vessels and other forms of equipment.

 

Heat Treatment Temperature of DIN 17175 15Mo3 Seamless Steel Tubes

Steel Grade		Thermal Processing ℃	Normalizing℃	Tempering
Grade	Material Number			Quenching Temperature ℃	Tempering Temperature ℃
15mo3	1.5415	1100 to 850°C	910-940	-	-

 

Chemical Composition of DIN 17175 15Mo3

Standard:DIN 17175	Grade	Chemical Composition
		C	Si	Mn	P,S	Cr	Mo
	15mo3	0.12-0.20	0.10-0.35	0.40-0.80	≤0.030	/	0.25-0.35

 

Mechanical Property of DIN 17175 15Mo3

Standard	Grade	Tensile Strength(MPa)	Yield Strength(MPa)	Elongation(%)
DIN 17175	15mo3	450-600	≥270	≥20

 

Dimensions Tolerance

Project	Standard		Size Range		Tolerance
Outer Diameter	DIN17175		Hot Rolled Steel Pipe	OD ≤ 100mm	± 0.75%( Min ± 0.5mm )
				OD＞ 100~ 320mm	± 0.9%
			Cold Drawn Steel Pipe OD ≤ 120mm		± 0.6%( Min ± 0.25mm )
Wall Thickness	DIN17175	OD ≤ 130mm	WT ≤ 2Sn		+15%~-10%
			WT ＞ 2Sn~4Sn		+12.5%~-10%
			WT ＞ 4Sn		± 9%
		130 ＜ OD ≤ 320mm	WT ≤ 0.05OD		+17.5%~-12.5%
			0.05OD ＜ WT ≤ 0.11OD		± 12.5%
			WT ＞ 0.11OD		± 10%

 

Sizes

Wall	Sizes ( O.D.)
.010	1/16" , 1/8" , 3/16"
.020	1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8"
.012	1/8"
.016	1/8" , 3/16"
.028	1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2"
.035	1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.049	3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.065	1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
.083	1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3"
.095	1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2"
.109	1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2"
.120	1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3"
.125	3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4"
.134	1"
.250	3"
.375	3 1/2"

 

Test
Chemical Composition Verification Test
Hydrostatictest
Tensile Test
Notched Impact Test
Yield Strength Test
Ring Test
Nondestructive Testing

 

DIN17175 15Mo3 Straight Seam Welded Tube

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