EN10216-2 15NiCuMoNb5-6-4 seamless steel tube

15NiCuMoNb5-6-4 seamless steel tube (DIWA373, 15NiCuMoNb5, or WB36) was first developed by Mannesmann Company of Germany, which is used for materials of nuclear power generating units and high parameter thermal power generating units. 15NiCuMoNb5-6-4 seamless steel tube is developed by adding Ni-Cu-Mo-Nb alloy elements on the basis of carbon-manganese steel. As the alloy elements such as Ni, Cu, Mo and Nb are added to the steel, the effect of fine grain strengthening and precipitation strengthening is achieved, which greatly improves the high temperature strength and durability of the steel, and the addition of Cu does not reduce the durability of the steel.

Chemical composition of EN10216-2 15NiCuMoNb5-6-4 seamless steel tube:

C	Si	Mn	P max	Smax	Cr	Mo	Ni	AL	Cu	Nb
≤0.17	0.25-0.50	0.8-1.2	0.025	0.02	≤0.30	0.25-0.50	1.00-1.30	≤0.050	一	0.02-0.08

Mechanical property of EN10216-2 15NiCuMoNb5-6-4 seamless steel tube:

Yield strength				Tensile Strength	Elongation A min %
T≤16	16＜T≤40	40＜T≤60	60＜T≤100	Rm	I	t
MPa	MPa	MPa	MPa	MPa
440	440	440	440	610-780	19	17

15NiCuMoNb5-6-4 seamless steel tube is characterized by high strength, 40% higher yield limit than 20G steel, and 400 C service temperature. It can be used as high-pressure pipeline with 500 C pipe wall temperature, or as high-parameter thermal power generating units, such as boiler drum, steam-water separator, header, steam generator, steam pipeline and nuclear power equipment in supercritical units.

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UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.

Packaging Details: Standard export seaworthy packing or as required.
Delivery Time: 30-50 days, 7 days for stock goods.
Loading Port: Shanghai ,Tianjin, Qingdao.
Offer Ability:5 000MT/Per Month.
MOQ: 1 Pcs.