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15CrMoR

It’s the pressure vessel steel. Belonging to a medium temperature hydrogen steel 153-7873-8812, origin: Wugang, Shougang, Wuhan Iron and Steel, South Steel, new steel, Xiangtan Steel, Jinan Iron and Steel.

Brand name 15CrMoR steel plate is pressure vessel steel 180-3717-2227. Belonging to a medium temperature hydrogen resistant steel

"15" is a carbon content component 0.15% 153-7873-8812

"Cr" is a component containing a certain chemical element - chromium

"Mo" is a component containing a certain chemical element - molybdenum

"R" is the first letter of the container board capacity

15CrMoR, heat treatment often used: normalizing plus tempering

At 550 ℃ below, with a high lasting strength.

Origin: 153-7873-8812 Wugang, Wuhan Iron and Steel, the new steel ---- Wugang Runlu 180-3717-2227

2, the implementation of standards

Implementation of the standard 180-3717-2227

Implementation of the standard 153-7873-8812: GB713-2008 Wugang Lin hydrogen 15CrMoR (H) the implementation of standards WYJ410-2008

For American Standard (S) .A387MGr.12

3, chemical composition

Wugang 15CrMoR (H) Chemical composition 153-7873-8812

Component Analysis Method C Si Mn P S Cr Mo

Melting analysis 0.12 to 0.18 0.15 to 0.40 0.40 to 0.70 ≤ 0.010 ≤ 0.010 0.80 to 1.20 0.45 to 0.60

Product analysis 0.10 ~ 0.20 0.13 ~ 0.43 0.37 ~ 0.73 ≤0.012 ≤0.010 0.75 ~ 1.25 0.43 ~ 0.62

Component Analysis Method Ni Cu Sb Sn As [H]

Smelting analysis ≤0.20 ≤ 0.20 ≤0.003 ≤0.015 ≤0.016 ≤2ppm

Product Analysis ≤0.20 ≤ 0.20 ≤0.003 ≤0.015 ≤0.016 ≤2ppm

Note: Tempering embrittlement sensitivity coefficient satisfies the following requirements 180-3717-2227:

180-3717-2227 X = (10P + 5Sb + 4Sn + As) x 10? 15, wherein the element is substituted with a ppm content, for example, 0.01% to 100 ppm.

J = (Si + Mn) x (P + Sn) x 10? 180, wherein the element is substituted at a weight percentage, such as 0.01% to 0.01.

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