09NiMnDR

2015-09-18View Original

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In the material code 09NiMnDR, what do D and R stand for? And what does R stand for in Q345R? Thank you

Reply #22015-09-18

09MnNiDR: D – Low-temperature steel; R – Steel for pressure vessels, Q345R; R – Steel for pressure vessels

Reply #32015-09-18

The answer is upstairs; it’s described in the material standards

Reply #42015-09-18

09MnNiDR: D – Low-temperature steel; R – Steel for pressure vessels, Q345R; R – Steel for pressure vessels

Reply #52015-09-18

09MnNiDR: Low-temperature vessel steel for -70°C applications

Reply #62015-09-19

This is basic knowledge; one should read standard texts frequently.

Reply #72015-09-19

D – Low-temperature R – Steel for containers

Reply #82015-09-20

Agree with everyone’s view; D – low temperature, R – container steel

Reply #92015-09-20

Agree D-Low temperature R-Container steel

Reply #102015-09-21

The corresponding welding rod is W707Ni.

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09NiMnDR

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