AH40 naval steel

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional ah40 naval steel manufacturers and suppliers in China. Welcome to wholesale customized ah40 naval steel at competitive price from our factory. Good service and quality products are available.

 

Shipbuilding steel plate AH40 grade is a high tensile strength steel that is widely used in the marine industry, shipbuilding industry, submarine pipeline industry and other fields for its excellent performance. The strength, corrosion resistance and weldability of AH40 ship plates make it one of the indispensable materials in the marine engineering and shipbuilding industry. ASTM A131 AH40 marine steel plates can also be used to manufacture hull structures weighing more than 10,000 tons.

 

A131 AH40 high Strength Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Al	N
A131 AH40	0.18	0.1-0.50	0.90-1.6	0.035	0.035	0.015
	Nb	V	Ti	Cu	Cr	Ni	Mo
	0.02-0.05	0.05-0.10	0.02	0.35	0.2	0.4	0.08

 

A131 AH40 high strength property
Grade		Mechanical Property			Charpy V Impact Test
	Thickness	Yield	Tensile	Elongation	Degree	Energy 1	Energy 2
A131 AH40	mm	Min Mpa	Mpa	Min %	0	J	J
	t≤50	390	510-650	22%		20	30
	50＜t≤70	390	510-650	22%		NA	NA
	70＜t≤100	390	510-650	22%		NA	NA
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

 

1. Additional conditions: UT (ultrasonic inspection), AR (hot rolling), TMCP (thermo-mechanical controlled processing), N (normalizing), Q+T (quenching and tempering), Z-direction test (Z15, Z25, Z35), Charpy V-notch impact test, third-party test (e.g. SGS test), coating or shot peening and painting.

2. Shipping department: a). Reservation of shipping space b). Documentation confirmation c). Shipment tracking d). Shipment of boxes.

3. Production control department: a). Technical evaluation b). Production planning c). Production tracking d). Successful complaint cases.

4.Quality control: a). Factory testing b). Pre-shipment inspection c). Third party inspection d). Problems about packaging e). Cases of quality problems.

 

Q. Are you trading company or manufacturer?
A: We are professional manufacturer, providing a wide range of steel products.

 

Q. Could you customized as our request?
A: Yes, just tell your demands, we can offer the customized solution for you, such as material, hardness, thickness,width and so on.

 

 

 

We can provide professional services, we have AH40 naval steel and wear resistant steel and other products in stock, if you have any needs, please contact us.

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