ASTM A387 Gr91 Class 2 and ASME SA387 Gr91 Class2 Chrome Moly Alloy Steel Plate

We supply high quality ASTM A387 Gr91 Class 2 and ASME A387 Gr91 Class 2 manufactured by world’s finest steel mill, this chrome moly alloy steel plate work effectively in high temperatures with it’s high tensile strength, excellent corrosion resistance and nevada health link good option for sour service environments making it an versatile steel for numerous applications such as oil and gas, chemical, power generation and etc.

ASME SA387 Gr91Class 2 and ASTM A387 Gr91 Class 2 Chemical Composition and Mechanical Properties

SPECIFICATION

A387 Grade 91 Class 2

Type of access health ct Steel

Alloy

Requirements for Delivery

A20

Tensile Strength (ksi) MPa

(85/110) 586/758

Yield Strength (Min. ksi) Min.MPa

(Yield Point if designated YP)

(60) 413.68

Spec. Thickness (Max. in.)

-

Thickness (Max.)

12* inches or 304.8mm

Chemical Composition (%)

Unless a range is specified, individual values are maximums

Carbon

0.08/0.12

Manganese

0.30/0.60

Phosphorus

0.020

Sulfur

0.010

Silicon

0.20/0.50

Chromium

8.00/9.50

Nickel

0.40

Molybdenum

0.85/1.05

Copper

Other Elements

0.18/0.25 V

0.06/0.10Cb

0.030/0.070 N

0.02 Al

0.01 Zr

Heat Treatment Required

N&T

* Consult us for plates over thickness listed.

**Consult us for other A387 grades not listed.

■ Restricted to ASTM A20 limits for unspecified elements.

Tension Test Requirements:

Material shall be tested using a test specimen which will confirm to the tensile requirements as outlined in Table 2.

Other requirements:

The following requirements and testing procedures (which are not mandatory) are considered suitable for Chrome Molybdenum steel:

• Vacuum treatment

• Product Analysis

• Additional Tension Test

Charpy V-Notch Impact Test

• Drop Weight Test

• High Temperature Tension Test

• Ultrasonic Examination

• Magnetic Particle Examination