Technical conditions for plates of SA387Gr22CL1 HIC SA387Gr22CL1 manufacturer from China Gloria Steel

Technical conditions for plates of SA387Gr22CL1 HIC

Price:	2000.0~5000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Guangdong, China (Mainland)


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Product Detail

Model No.: SA387Gr22CL1

Production Capacity: 3000~5000T

Delivery Date: 30 days

Means of Transport: Ocean

Packing: Standard seaworthy export p...

The technical conditions apply to plates of SA387Gr22CL1 HIC with thickness range 8mm-60mm.

Technical conditions for plates of SA387Gr22CL1 HIC

1. Scope

The technical conditions apply to plates of SA387Gr22CL1 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

4.1 Chemical composition (Ladle analysis)

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

Table 1 Chemical composition (Ladle analysis)

Grade	Thickness mm	C	Si	Mn	P	S	Mo
SA387Gr22CL1 HIC	Ladle analysis	0.05- 0.15	Max 0.50	0.30- 0.60	Max 0.015	Max 0.003	0.90- 1.10
Product analysis	0.04- 0.15	Max 0.50	0.26- 0.66	Max 0.015	Max 0.003	0.85- 1.15

Grade

Thickness

SA387Gr22CL1

HIC

Ladle analysis

0.05- 0.15

Max 0.50

0.30- 0.60

Max 0.015

Max 0.003

0.90- 1.10

Product analysis

0.04- 0.15

Max 0.50

0.26- 0.66

Max 0.015

Max 0.003

0.85- 1.15

Grade	Thickness mm	Cr	Ni	Cu	V	Nb	Ti	Als
SA387Gr22CL1 HIC	Ladle analysis	2.00- 2.50	Max 0.40	Max 0.40	Max 0.03	Max 0.020	Max 0.03	Min 0.015
Product analysis	1.88- 2.62	Max 0.43	Max 0.43	Max 0.03	Max 0.030	Max 0.04	Min 0.015

Grade

Thickness

Als

SA387Gr22CL1

HIC

Ladle analysis

2.00- 2.50

Max 0.40

Max 0.03

Max 0.020

Max 0.03

Min 0.015

Product analysis

1.88- 2.62

Max 0.43

Max 0.03

Max 0.030

Max 0.04

Min 0.015

4.2 Steel making process: EAF+LF/VD

4.3 Mechanical properties

The mechanical properties of SA387Gr22CL1 HIC shall meet the requirement as table 2&3.

Table 2 Tensile properties

Thickness mm	Yield strength MPa	Tensile strength MPa	Elongation %	Section shrinkage %
8-110	Min 205	415-585	Min 18	Min 40

4.4 Impact properties

Impact test in the longitudinal and transverse for plates of SA387Gr22CL1 HIC shall meet the requirements per table 3.

Table 3 Impact properties

Grade	Sampling size	Room temp. Transverse Akv(J)
SA387Gr22CL1	10x10x55	Min 27
	7.5x10x55	Min 21
	5x10x55	Min 14

4.5 Hardness: Max 22HRC

4.6 SWHT: 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.

4.7 NACE 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)

4.8 Surface quality

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

4.9 Ultrasonic inspection

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

4.10 Test method and inspection rules

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

Table 4 Test items for plates

Test item	Quantity, Piece	Sampling method	Test method	Sampling conditions
Ladle analysis	1 (per furnace)	ASTM A20/A20M	ASME SA370	/
Tensile test	1 (per rolled pc)	ASTM A20/A20M	ASME SA370	SWHT
Charpy-V impact test at -20C	3 (per rolled pc)	ASTM A20/A20M	ASME SA370
Hardness	1 (per rolled pc)	GB/T2975	GB/T 230.1
Product analysis	1 (per rolled pc)	ASTM A20/A20M	ASME SA370	+N
Ultrasonic test	Each product pc	ASTM A578/A578M		+N
HIC test	See 5.HIC	NACE TM0284	NACE TM0284	SWHT