Technical conditions for plates of 16Mo3 16Mo3 manufacturer from China Gloria Steel

Technical conditions for plates of 16Mo3

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.: 16Mo3

Production Capacity: 3000~5000T

Delivery Date: 30 days

Means of Transport: Ocean

Packing: Standard seaworthy export p...

The technical conditions apply to pressure vessel steel plates of 16Mo3 with thickness not more than 250mm. (8mm-250mm).

Technical conditions for plates of 16Mo3

1. Scope

The technical conditions apply to pressure vessel steel plates of 16Mo3 with thickness not more than 250mm. (8mm-250mm).

2. Adopt standard:

EN10028-2: 2003 Flat products made of steels for pressure purposes Part 2: Non-alloy and alloy steels with specified elevated temperature properties

EN10163-2:2004 Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections - Part 2: Plate and wide flats Class B.

3. Dimension, Shape, Weight and Permissible Deviation

The dimension, shape, weight and permissible deviation shall meet the requirements of EN10029.

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)

C	Si	Mn	P	S	Cr	Cu	Mo	N	Ni
0.12- 0.20	Max 0.35	0.40- 0.90	Max 0.025	Max 0.010	Max 0.30	Max 0.30	0.25- 0.35	Max 0.012	Max 0.30

4.2 Mechanical properties

The mechanical properties of 16Mo3 shall meet the requirement as table 2.

Table 2 Tensile properties

Thickness mm	Yield strength MPa	Tensile strength MPa	+20C Akv (J)	Elongation %
8-60	Min 275	440-590	Min 31J	Min22
60-100	Min 260	440-590	Min 31J	Min22
100-150	Min 240	430-590	Min 31J	Min22
150-250	Min 220	320-570	Min 31J	Min22

4.3 SWHT: The optimized SWHT technology is as follows: heating at 610℃+/-10℃ for 7h, then followed by cooling in furnace to 400℃, then for air cooling.

4.4 Minimum values for the proof strength Rp0.2 at elevated temperatures shall meet the requirements per table 4.

Table 4 High temp Tensile properties

Test TEMP	Thickness mm	300℃	350℃	400℃	450℃
Rp0.2 Min (MPa)	8-60	194	175	159	147
	61-100	183	165	150	139
	101-150	169	153	139	129
	151-250	155	140	127	118

4.5 Ultrasonic inspection

Plates shall be ultrasonic inspected per EN10160-1999 S2E2.

4.6 Test method and inspection rules

Test items, sampling quantity, sampling method and test method shall conform to table 5.

Table 5 Test items for plates

No.	Test item	Quantity, Piece	Sampling method	Test method
1	Chemical composition (Ladle analysis)	1 (per batch furnace number)	EN10028-2	EN10028-2
2	Tensile test	1 (Rolled pc)	EN10028-1	EN10028-1
3	Impact test at +20C	1 (Rolled pc)	EN10028-1	EN10028-1
4	High temperature tensile test	3 (Rolled pc)	EN10164	EN10164
5	Bend test	1 (Rolled pc)	EN10028-1	EN10028-1
6	UT	1 (Product pc)		EN10160