Product Name	Square Tube/Rectangular steel tube
Technique	Hot rolling; cold drawing; NDT test; UT test; Hydrostatic Tester
Usage	Used for low pressure liquid delivery, such as water, gas, and oil; construction and piling
Steel Standard	API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444, JIS G3445 DIN 2391, EN10305, EN10210, ASME SA106, SA192, SA210, SA213, SA335, DIN17175, ASTM A179...
Certification	API 5L PSL1 / PSL2, API 5CT, ISO 9001-2008
Steel Grade	API 5L :API 5L: GR B, X42, X46, X56, X60, X65, X70 ASTM A53/A106: GR A, GR B, GR CASME SA106: GR.A, GR.B, GR.CASME SA192: SA192ASME SA209M: T1, T1a ASTM A335:P1, P2, P5, P9, P11, P22, P23 ASTM A333:Gr.1, Gr.3, Gr.4, Gr.6, Gr.7, Gr.8, Gr.9, Gr.10, Gr.11
Steel Out diameter	20mm– 800mm
Wall Thicness	3-20mm
Length	Random Length, Fixed Length, SRL, DRL
End Type	Beveled end,plain end meet your need
Surface tratment	Black painting,bare pipe,Oiled,Hot dip galvanized
MOQ	10MT
Delivery condition	BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C)
Steel Pipe Package	1. big diameter: in loose
	2. small diameter:packaged in bundles with strips
	3. as per clients' requirement
Payment Term	TT/LC
Delivery time	Shortest delivery time after receive deposite

Product Picture

Black Iron Mild Steel Square Tube ASTM A335 P23 3-20mm Wall Thicness

Product name	Material	Standard	Size(mm)	Application
Low temperature tube	16MnDG 10MnDG 09DG 09Mn2VDG 06Ni3MoDG ASTM A333	GB/T18984- 2003 ASTM A333	OD:8-1240* WT:1-200	Apply to - 45 ℃ ~ 195 ℃ low temperature pressure vessel and low temperature heat exchanger pipe
High-pressure boiler tube	20G ASTMA106B ASTMA210A ST45.8-III	GB5310-1995 ASTM SA106 ASTM SA210 DIN17175-79	OD:8-1240* WT:1-200	Suitable for manufacturing high pressure boiler tube, header, steam pipe, etc
General structure of the tube	10#,20#,45#,27SiMn ASTM A53A,B 16Mn,Q345	GB/T8162- 2008 GB/T17396- 1998 ASTM A53	OD:8-1240* WT:1-200	Apply to the general structure, engineering support, mechanical processing, etc

DN	OD Outside Diameter		ASTM A53 GRA / B		BS1387 EN10255
DN	OD Outside Diameter		SCH10S	STD SCH40	LIGHT	MEDIUM	HEAVY
MM	INCH	MM	(mm)	(mm)	(mm)	(mm)	(mm)
15	1/2”	21.3	2.11	2.77	2	2.6	-
20	3/4”	26.7	2.11	2.87	2.3	2.6	3.2
25	1”	33.4	2.77	3.38	2.6	3.2	4
32	1-1/4”	42.2	2.77	3.56	2.6	3.2	4
40	1-1/2”	48.3	2.77	3.68	2.9	3.2	4
50	2”	60.3	2.77	3.91	2.9	3.6	4.5
65	2-1/2”	73	3.05	5.16	3.2	3.6	4.5
80	3”	88.9	3.05	5.49	3.2	4	5
100	4”	114.3	3.05	6.02	3.6	4.5	5.4
125	5”	141.3	3.4	6.55	-	5	5.4
150	6”	168.3	3.4	7.11	-	5	5.4
200	8”	219.1	3.76	8.18	-	-	-

Packing & Delivery

1.After painting, 12” and below sizes will be in hexagonal seaworthy bundles with steel strips and PVC cover sheets; 2. After painting, 14” and above sizes will be load piece by piece, and without PVC cover sheets; nesting can be made if needed.

FAQ

Q1:Can you provide the samples?
A1:Samples can be provided with samples charge and courier fee by the buyer's side.

Q2:Are the products in stock?
A2:Yes.Most of our products are in stock.So we can prompt delivery.

Q3:Can you accept customize?
A3:Yes.It can be customized as per the customers' request.

Q4:What about the quality?
A4:According to the standard for production.And we can also accept the third-party inspection and quarantine.

About the After-Sale Service
1.We are glad that customers can give us some suggestions for price and products.
2.If you have any questions,pls feel free to contact us by email or phone.

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