Subsea | Mannesmann Stainless Tubes

For Subea applications including manifold instrumentation tubing, flowlines, well-jumpers and pressure housings for LWD/MWD our range of austenitic, duplex and nickel alloys provides a solution to environments requiring high mechanical strength, high temperature, corrosion resistance, or non- magnetic properties.

Cold finished

OD range	Inch	mm
min	1.6	0.063
max	244.5	9.626

WT range	Inch	mm
min	0.1	0.004
max	40	1.575

Hot finished

OD range	Inch	mm
min	32	1.260
max	280	11.024

WT range	Inch	mm
min	2.8	0.110
max	60	2.362

Application: Manifolds

Product: Pipes & Tubes

Austenitic Ferritic

SMST-Tubes Material	Nearest equivalent standard		Typical chemical composition ¹⁾						Density		Min. mechanical prop. at RT
	UNS	EN	C_max	Cr	Ni	Mo	Cu	others			Rp_0.2 Yield Strength		R_m Tensile Strength
									g/cm³	lb/in³	MPa	ksi	MPa	ksi
DMV 22.5	S31803	1.4462	0.03	22.0	5.5	3.0		N 0.172)	7.8	0.28	450	65	620	90
DMV 25.7 N	S32760	1.4501	0.03	25.0	7.0	4.0	0.5	N 0.25; W 0.52)	7.8	0.28	550	80	750	109

¹⁾ All figures in weight percentage. In case of order, the limits of the order specification will apply.
²⁾ Min PRE value controlled.

Nickel and Nickel-Based Alloys

SMST-Tubes Material	Nearest equivalent standard		Typical chemical composition ¹⁾					Density		Min. mechanical prop. at RT
	UNS	DIN	C_max	Cr	Ni	Mo	others			Rp_0.2 Yield Strength		R_m Tensile Strength
Corrosion Resistant:								g/cm³	lb/in³	MPa	ksi	MPa	ksi
DMV 625	N06625 Gr.1	2.4856	0.025	22.0	63.0	9.0	Nb 3.5	8.5	0.31	414	60	827	120
Heat Resistant:
DMV 625	N06625 Gr.2	2.4856	0.025	22.0	63.0	9.0	Nb 3.5	8.4	0.30	276	40	690	100

¹⁾ All figures in weight percentage. In case of order, the limits of the order specification will apply.
²⁾ Minimum level of carbon content is mandatory.

Application: Flowlines

Product: Flowlines, Connecting Manifolds

Austenitic Ferritic

SMST-Tubes Material	Nearest equivalent standard		Typical chemical composition ¹⁾						Density		Min. mechanical prop. at RT
	UNS	EN	C_max	Cr	Ni	Mo	Cu	others			Rp_0.2 Yield Strength		R_m Tensile Strength
									g/cm³	lb/in³	MPa	ksi	MPa	ksi
DMV 22.5	S31803	1.4462	0.03	22.0	5.5	3.0		N 0.172)	7.8	0.28	450	65	620	90
DMV 25.7 N	S32760	1.4501	0.03	25.0	7.0	4.0	0.5	N 0.25; W 0.52)	7.8	0.28	550	80	750	109

¹⁾ All figures in weight percentage. In case of order, the limits of the order specification will apply.
²⁾ Min PRE value controlled.

Austenitic

SMST-Tubes Material	Nearest equivalent standard		Typical chemical composition ¹⁾						Density		Min. mechanical prop. at RT
	UNS	EN	C_max	Cr	Ni	Mo	Cu	others			Rp_0.2 Yield Strength		R_m Tensile Strength
Corrosion Resistant:									g/cm³	lb/in³	MPa	ksi	MPa	ksi
DMV 316 L	S31603	1.4404	0.03	17.0	12.0	2.25			8.0	0.29	170	25	485	70

¹⁾ All figures in weight percentage. In case of order, the limits of the order specification will apply.
²⁾ Minimum level of carbon content is mandatory.

Nickel and Nickel-Based Alloys

SMST-Tubes Material	Nearest equivalent standard		Typical chemical composition ¹⁾						Density		Min. mechanical prop. at RT
	UNS	DIN	C_max	Cr	Ni	Mo	Cu	others			Rp_0.2 Yield Strength		R_m Tensile Strength
Corrosion Resistant:									g/cm³	lb/in³	MPa	ksi	MPa	ksi
DMV 625	N06625 Gr.1	2.4856	0.025	22.0	63.0	9.0		Nb 3.5	8.5	0.31	414	60	827	120
DMV 825	N08825	2.4858	0.03	22.0	42.0	3.0	2.0	Ti 0.80; Al 0.10	8.1	0.29	180	26	530	75
Heat Resistant:
DMV 625	N06625 Gr.1	2.4856	0.025	22.0	63.0	9.0		Nb 3.5	8.4	0.30	276	40	690	100

¹⁾ All figures in weight percentage. In case of order, the limits of the order specification will apply.
²⁾ Minimum level of carbon content is mandatory.

Application: Well-Jumpers

Product: Well-Jumpers, Connecting Wellheads

Austenitic Ferritic

SMST-Tubes Material	Nearest equivalent standard		Typical chemical composition ¹⁾						Density		Min. mechanical prop. at RT
	UNS	EN	C_max	Cr	Ni	Mo	Cu	others			Rp_0.2 Yield Strength		R_m Tensile Strength
									g/cm³	lb/in³	MPa	ksi	MPa	ksi
DMV 22.5	S31803	1.4462	0.03	22.0	5.5	3.0		N 0.172)	7.8	0.28	450	65	620	90
DMV 25.7 N	S32760	1.4501	0.03	25.0	7.0	4.0	0.5	N 0.25; W 0.52)	7.8	0.28	550	80	750	109

¹⁾ All figures in weight percentage. In case of order, the limits of the order specification will apply.
²⁾ Min PRE value controlled.

Nickel and Nickel-Based Alloys

SMST-Tubes Material	Nearest equivalent standard		Typical chemical composition ¹⁾						Density		Min. mechanical prop. at RT
	UNS	DIN	C_max	Cr	Ni	Mo	Cu	others			Rp_0.2 Yield Strength		R_m Tensile Strength
Corrosion Resistant:									g/cm³	lb/in³	MPa	ksi	MPa	ksi
DMV 625	N06625 Gr.1	2.4856	0.025	22.0	63.0	9.0		Nb 3.5	8.5	0.31	414	60	827	120
DMV 825	N08825	2.4858	0.03	22.0	42.0	3.0	2.0	Ti 0.80; Al 0.10	8.1	0.29	180	26	530	75
Heat Resistant:
DMV 625	N06625 Gr.1	2.4856	0.025	22.0	63.0	9.0		Nb 3.5	8.4	0.30	276	40	690	100

¹⁾ All figures in weight percentage. In case of order, the limits of the order specification will apply.
²⁾ Minimum level of carbon content is mandatory.

Grade Comparison Tool