Technical conditions for plates of 13MnNiMo5-4 13MnNiMo5-4 manufacturer from China Gloria Steel

Technical conditions for plates of 13MnNiMo5-4

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.: 13MnNiMo5-4

Production Capacity: 3000~5000T

Delivery Date: 30 days

Means of Transport: Ocean

Packing: Standard seaworthy export p...

The technical conditions apply to plates of 13MnNiMo5-4 with thickness range 25mm-200mm for weldable boiler and other pressure vessel tank.

Technical conditions for plates of 13MnNiMo5-4

1. Scope

The technical conditions apply to plates of 13MnNiMo5-4 with thickness range 25mm-200mm for weldable boiler and other pressure vessel tank.

2. Adopt standard:

EN10028-2:2003 Non-alloy and alloy steels with specified elevated temperature properties

EN10029:1991 Tolerances on dimensions, shape and mass for hot rolled steel plates 3 mm thick or above

EN10163-2:1991 Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections -Part 2: Plate and wide flats

EN10160-2:1999 Ultrasonic testing of steel flat product of thickness equal or greater than 6 mm reflection method

3. Dimension, Shape, Weight and Permissible Deviation

The dimension, shape, weight and permissible deviation shall meet the requirements of EN10029:1991

The thickness toleration: EN10029-1991 table 1 Class B.

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)

Thickness mm	C	Si	Mn	P	S	Ni	Mo	Nb	Cr	Cu	V
Ladle analysis	0.08- 0.15	0.10- 0.50	1.00- 1.60	Max 0.020	Max 0.010	0.60- 1.00	0.20- 0.40	0.005- 0.020	0.20- 0.40	Max 0.20	0.02- 0.05
Product analysis	0.06- 0.17	0.05- 0.56	0.95- 1.70	Max 0.020	Max 0.010	0.55- 1.05	0.15- 0.44	0.004- 0.025	0.15- 0.45	Max 0.20	0.02- 0.05

Thickness

Ladle analysis

0.08- 0.15

0.10- 0.50

1.00- 1.60

Max 0.020

Max 0.010

0.60- 1.00

0.20- 0.40

0.005- 0.020

0.20- 0.40

Max 0.20

0.02- 0.05

Product analysis

0.06- 0.17

0.05- 0.56

0.95- 1.70

Max 0.020

Max 0.010

0.55- 1.05

0.15- 0.44

0.004- 0.025

0.15- 0.45

Max 0.20

0.02- 0.05

4.2 Steel making process: EAF+LF/VD

4.3 Mechanical properties

The SWHT mechanical properties of 13MnNiMo5-4 shall meet the requirement as table 2&3&4.

Table 2 Tensile properties

Thickness mm	Yield strength MPa	Tensile strength MPa	Elongation %	Bend test D=3a
=<100	Min 390	570-740	Min 18	180C un-cracked
>100-125	Min 380			180C un-cracked
>125-150	Min 375			180C un-cracked

4.4 Impact properties

Impact test in the longitudinal and transverse for plates of 13MnNiMo5-4 shall meet the requirements per table 3.

Table 3 Impact properties

Charpy-V Impact Test temp. Celsius degree	Transverse Average impact energy
20C	0C
Min 39J	Min 34J

Charpy-V Impact

Test temp.

Celsius degree

Transverse Average impact energy

20C

Min 39J

Min 34J

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

Table 4 Tensile properties

Test TEMP	Thickness mm	200C	250C	300C	350C	375C	400C
Rp0.2 Min (MPa)	=<100	>=375	>=360	>=355	>=345	>=335	>=310
	>100-125	>=365	>=350	>=345	>=335	>=325	>=300
	>125-150	>=350	>=340	>=335	>=325	>=315	>=295
Rm Min (MPa)	=<150	>=535	>=520	>=515	>=515	>=510	>=490

4.6 SWHT: Simulated Post-Weld Heat Treatment of Mechanical Test Coupons shall be prepared in 610+/-5 C with min.5 minute per each mm of thickness.

4.7 Surface quality

The surface quality of plates shall be accordance with EN10163-2 B3..

4.8 Ultrasonic inspection

Plates shall be ultrasonic inspected per EN10160 S2E2..

4.9 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

Test item	Quantity, Piece	Sampling method	Test method	Sampling conditions
Ladle analysis	1 (per furnace)	EN10028	EN10028	/
Product analysis	1 (Per product pc)	EN10028	EN10028	SWHT
Tensile test	1 (per heat treatment pc)	EN10028	EN10028
Charpy-V impact test at 0C	3 (per heat treatment pc)	EN10028	EN10028
S7 High TEMP tensile test	6 (per heat treatment pc)	EN10028	EN10028
Ultrasonic test	Each product pc	EN10160		+N

5. Package, marking and certificate

Package, marking and certificate shall conform to EN10028.

6. The third party inspection

The chemical composition, tensile test and Charpy V impact test for plates of 13MnNiMo5-4 shall be witnessed by surveyor of client.

7. Delivery conditions

The delivery conditions for plates of 13MnNiMo5-4 shall be Normalized+ Tempered, The Normalized temperature is 890-950 C degree, and Tempered temperature no less than 620 C degree.

8. Other requirements

The other requirements for plates of 13MnNiMo5-4 shall be accordance with EN10028-2.

MTC accordance with EN10204: 2004 3.1