Home > News > ASTM A387 Grade 91 structural steel plate

ASTM A387 Grade 91 structural steel plate

ASTM A387 Grade 91 structural steel plate

A387 Grade 91 is American ASTM standard steel plate, ASTM A387 / A387M pressure vessel with chrome molybdenum alloy steel plate, this standard applies to work under high temperature welding boiler and pressure vessel chromium molybdenum alloy steel plate.

Standard : ASTM A-387/A-387M
Dimension range :1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm

A387 Grade 91 steel plate/sheet Mechanical Properties :

Mechanical Properties

Grade

Thickness

Yield
Strength

Tensile Strength

Elongation

Charpy V Notch Impact Test

Degree

Min Value

A387 Grade 91

mm

Min Mpa

Mpa

Min %

-

J

5≤t≤50

415

585-760

18

-

50≤t≤200

-

-

-

 

-

Note: Impact energy for impact test is on longitudinal

A387 Grade 91 Boiler steel plate Chemical Composition :

Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Cr

Mo

A387 Grade 91

0.04-0.15

0.18-0.56

0.25-0.66

0.025

0.012

7.90-9.60

0.80-1.10

B

V

Nb

AL

Ni

t

 

-

0.16-0.27

0.05-0.11

0.05

0.025-0.080

-

 

Delivery Status : Normalized in the range of from 1900 to 1975 ° F [1040 to 1080 ° C] and tempered in the range of 1350 to 1470 ° F [730 to 800 ° C]

ASTM A387 Grade 91 steel sheet application :
ASTM A387 Grade 91 steel plate is mainly used in oil, chemical, power station, boiler and other industries, for the production reactor, heat exchanger, separator, spherical tank, oil tank, liquefied gas tank, nuclear reactor pressure shell, boiler drum, Liquefied petroleum gas cylinders, high-pressure water pipes, water turbines and other equipment and components.

If necessary, please leave your message, we will contact you as soon as possible, thank you!

Name:
Email:
Tel:
Message:
 
Get in touch
Quick contact
Name:
E-mail:
Tel:
Message: