Technical conditions for plates of SA387Gr11CL1 HIC SA387Gr11CL manufacturer from China Gloria Steel

Product Detail

Model No.: SA387Gr11CL

Production Capacity: 3000~5000T

Delivery Date: 30 days

Means of Transport: Ocean

Packing: Standard seaworthy export p...

The technical conditions apply to plates of SA387Gr11CL1 HIC with thickness range 8mm-60mm.

Technical conditions for plates of SA387Gr11CL1 HIC

1.Scope

The technical conditions apply to plates of SA387Gr11CL1 HIC with thickness range 8mm-60mm.

2.Adopt standard:

ASME SA387/SA387M Specification for pressure vessel plates, alloy steel, Chromium-Molybdenum

ASME SA20/SA20M Standard Specification for General Requirements for Steel Plates for Pressure Vessels

ASME SA370 Standard Test Methods and Definitions for Mechanical Testing of Steel Products

3.Dimension, Shape, Weight and Permissible Deviation

The dimension, shape, weight and permissible deviation shall meet the requirements of ASME SA20/SA20M.

The thickness toleration: -0/+2.5mm

4.Technical conditions

4.1Chemical composition (Ladle analysis)

The chemical composition of plates shall be accordance with the following table 1.

Table 1 Chemical composition (Ladle analysis)

Note: Mark "*" just record the value.

4.2Steel making process: EAF+LF/VD

4.3Mechanical properties

The mechanical properties of SA387Gr11CL1 HIC shall meet the requirement as table 2&3.

Table 2 Tensile properties

Thickness mm	Yield strength MPa	Tensile strength MPa	Elongation %	Bend test D=3.0a
8-60	Min 240	415-585	Min 22	180C un-cracked

4.4Impact properties

Impact test in the longitudinal and transverse for plates of SA387Gr11CL1 HIC shall meet the requirements per table 3.

Table 3 Impact properties

Charpy-V Impact test Test temp. Celsius degree	Transverse
	Average impact energy
	-30C	Min 47J

4.5Hardness: Max 22HRC

4.6SWHT: Simulated Post-Weld Heat Treatment of Mechanical Test Coupons shall be prepared in 600+/-10 C with min.5 minute per each mm of thickness.

4.7NACE MR0175/ISO 15156-2 / Annex B.5 / Test method NACE TM0284 in solution-A sour service (CLR =< 5% & CTR =<5% & CSR =< 2% shall be reported)

4.8Surface quality

The surface quality of plates shall be accordance with ASTM A20/A20M.

4.9Ultrasonic inspection

Plates shall be ultrasonic inspected per ASTM A578/A578M level B.

4.10Test method and inspection rules

Test items, sampling quantity, sampling method and test method shall conform to table 4.

Table 4 Test items for plates