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16 gauge(ASTM A500) square tubing a500 rectangular steel tube for shipbuilding

Categories	square steel pipe
Brand	Yuantai Derun Steel Pipe Manufacturing Group
Model	hfw-gauge(ASTM A500) square tubing
Thickness	0.5- 60 mm
OD(Outer diameter)	1010-12001200mm
Certification	CE,LEED,BV,PHD&EPD,BC1,EN 10210,EN10219,ISO9000
Surface Treatment	Black painted or REQUEST
Tolerance	as required
Length	0.5-24M according to client requirement
Materials	Gr.A/B/C, S235/275/355/420/460,A36,A53,A106
Delivery Time	7-30 Days
FOB port	Tianjin port
Terms of Payment	L/C, T/T
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Update Time	Nov 3,2024

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16 gauge(ASTM A500) square tubing with large diameter and medium thickness for shipbuilding

16 gauge(ASTM A500) square tubing for shipbuilding

16 gauge (ASTM A500) square tubing for shipbuilding is an American standard square steel pipe used in shipbuilding.It has the advantages of high strength, high toughness, corrosion resistance and low temperature resistance

2.16 gauge(ASTM A500) square tubing for shipbuilding chemical Properties

元素Element	成分/% ,Composition/%
	Grade A	Grade B	Grade C	Grade D
	≤
Carbon,%	0.26	0.30	0.23	0.27
Manganese,%	1.35	1.40	1.35	1.40
Phosphorus,%	0.035	0.045	0.035	0.045
Sulfur,%	0.035	0.045	0.035	0.045
Cuprum,%	0.20	0.18	0.20	0.18

3.16 gauge(ASTM A500) square tubing for shipbuilding mechanical property

16 gauge square tubing（ASTM A500）
name	Grade A	Grade B	Grade C	Grade D
name	≤
Tensile strength,Psi[MPa]	45 000 [310]	58 000 [400]	62 000 [425]	58 000 [400]
The yield strength,Psi[MPa]	39 000 [270]	46 000[315]	50 000[345]	36 000 [250]
Elongation in 2in.[50mm]	25^A	23^B	21^C	23^B

4. Allowable deviation in size

4.1 Circular tube - The outer wall difference shall not exceed+0.5%, and the circumference shall be close to 0.005 inches (0.1 mm), from the required outer diameter to the required outer diameter of 1.900 inches (48 mm) or less+ 0.75%, approximately 0.005 inches (0.1 millimeters) around, from the required outer diameter to the required outer diameter of 2.00 inches (5 centimeters) and larger. The size of the outer diameter must be measured at a distance of at least 2 inches (5 centimeters) from the pipe end.

4.2 Square and rectangular structural pipes - The external dimensions must be measured at a distance of at least 2 inches (5 centimeters) from the end of the pipe, and must not differ from the required external dimensions by the appropriate values given in Table 3, including concave and convex tolerances.

4.3 Wall thickness - The minimum wall thickness measured at any point on the pipe shall not be less than 10% of the required wall thickness. The maximum wall thickness, including the weld seam of the pipe, cannot exceed 10% of the required wall thickness. The wall thickness of square tube and rectangular tube is only applicable at the center position.

4.4 Length - Structural pipes are typically produced in varying lengths of 5 feet (1.5 meters), multiple lengths, and specified lengths.

4.5 Straightness - The allowable deviation for the straightness of structural pipes is 1/8 inch multiplied by the total length divided by 5 feet (10 millimeters multiplied by meters).

4.6 Square surface - The adjacent edges of the square tube and rectangular tube are at 90 °, with a maximum allowable deviation of+2%.

4.7 Corner radius - The outer corner of each interface between square and rectangular tubes shall not exceed three times the required wall thickness.

4.8 Bending - The allowable tolerances for the bending of square tube are shown in Table 5. The bending degree is measured by measuring the height of each Angular distance at the bottom from the opposite pipe end at one end of the fixed pipe on the flat plate and calculating the bending degree (these angles have different heights), except for the very large ones, it is allowed to use some suitable measuring tools to determine the bending degree. The bending test cannot be conducted at a distance of 2 inches (5 centimeters) from the pipe end.

5. Square tubing square tube chart

O.D. mm	W.T.mm	O.D mm	W.T. mm	O.D mm	W.T. mm	O.D mm	W.T. mm
20*20	1.3	60120 80100 90*90	1.50	180*180	3	300800 400700 550550 500600
	1.4		1.70		3.5-3.75		9.5-9.75
	1.5		1.80		4.5-4.75		11.5-11.75
	1.7		2.00		5.5-7.75		12-13.75
	1.8		2.20		9.5-9.75		15-50
	2.0		2.5-4.0		11.5-11.75
2030 2525	1.3		4.25-4.75		12.0-25.0
	1.4		5.0-6.3	100300 150250 200*200	2.75	300900 400800 600600 500700
	1.5		7.5-8		3.0-4.0		9.5-9.75
	1.7	50150 60140 80120 100100	1.50		4.5-9.75		11.5-11.75
	1.8		1.70		11.5-11.75		12-13.75
	2.0		2.00		12.5-12.75		15-50
	2.2		2.20		13.5-13.75
	2.5-3.0		2.5-2.75		15.5-30
2040 2540 3030 3040	1.3		3.0-4.75	150300 200250	3.75	3001000 400900 500800 600700 650*650
	1.4		5.5-6.3		4.5-4.75
	1.5		7.5-7.75		5.5-6.3		9.5-9.75
	1.7		9.5-9.75		7.5-7.75		11.5-11.75
	1.8		11.5-16		9.5-9.75		12-13.75
	2.0	60160 80140 100*120	2.50		11.5-11.75		15-50
	2.2		2.75		13.5-30
	2.5-3.0		3.0-4.75	200300 250250	3.75	4001000 500900 600800 700700
	3.25-4.0		5.5-6.3		4.5-4.75
2550 3050 3060 4040 4050 4060 50*50	1.3		7.5-7.75		5.5-6.3		9.5-9.75
	1.4		9.5-16		7.5-7.75		11.5-11.75
	1.5	75*150	2.50		9.5-9.75		12-13.75
	1.7		2.75		11.5-11.75		15-50
	1.8		3.0-3.75		12-13.75
	2.0		4.5-4.75		15.5-30
	2.2		5.5-6.3	200400 250350 300*300	4.5-6.3	5001000 600900 700800 750750
	2.5-3.0		7.5-7.75		7.5-7.75		9.5-9.75
	3.25-4.0		9.5-16		9.5-9.75		11.5-11.75
	4.25-4.75	80160 120120	2.50		11.5-11.75		12-13.75
	5.0-5.75		2.75		12-13.75		15-50
	5.75-6.3		3.0-4.75		15.5-30
4080 5070 5080 6060	1.3		5.5-6.3	200500 250450 300400 350350	5.5-6.3	5001100 600900 700800 750750
	1.5		7.5-7.75		7.5-7.75		9.5-9.75
	1.7		9.5-9.75		9.5-9.75		11.5-11.75
	1.8		11.5-20		11.5-11.75		12-13.75
	2.0	100*150	2.50		12-13.75		15-50
	2.2		2.75		15.5-30
	2.5-3.0		3.0-4.75	280*280	5.5-6.3	6001100 7001000 800900 850850
	3.25-4.0		5.5-6.3		7.5-7.75		9.5-9.75
	4.25-4.75		7.5-7.75		9.5-9.75		11.5-11.75
	5.0-6.0		9.5-9.75		11.5-11.75		12-13.75
40100 6080 70*70	1.3		11.5-20		12-13.75		15-50
	1.5	100200 120180 150*150	2.50		15.5-30
	1.7		2.75	350400 300450	7.5-7.75	7001100 8001000 900*900
	1.8		3.0-7.75		9.5-9.75		11.5-11.75
	2.0		9.5-9.75		11.5-11.75		12-13.75
	2.2		11.5-20		12-13.75		15-50
	2.5-3.0	100250 150200	3.00		15.5-30
	3.25-4.0		3.25-3.75	200600 300500 400*400	7.5-7.75	8001100 9001000 950*950
	4.25-4.75		4.25-4.75		9.5-9.75		11.5-11.75
	5.0-6.3		9.5-9.75		11.5-11.75		12-13.75
50100 6090 60100 7575 80*80	1.3		11.5-11.75		12-13.75		15-50
	1.5		12.25		15.5-40
	1.7	140*140	3.0-3.75	300600 400500 400*400	7.5-7.75	9001100 10001000 800*1200
	1.8		4.5-6.3		9.5-9.75
	2.0		7.5-7.75		11.5-11.75		20-60
	2.2		9.5-9.75		12-13.75
	2.5-3.0		11.5-25		15.5-40
	3.25-4.0	160*160	3.00	400600 500500	9.5-9.75	11001000 11001100
	4.25-4.75		3.5-3.75		11.5-11.75		20-60
	5.0-5.75		4.25-7.75		12-13.75
	7.5-8		9.5-25		15.5-40