Factory Customized China Hot DIP Galvanized Steel Square Tube Hollow Section Round Welded Gi Steel Pipe

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Product	Carbon Steel Pipe
Shape	Round Hollow Section Square and Rectangular Hollow Section
Material	Carbon Steel
Grade	Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Grade B Grade C
Round Steel Pipe Standards	ASTM A53, API 5L, ASTM A252, ASTM A795, ISO65, DIN2440, BS1387. BS1139, EN10255, EN39, JIS3444, GB/T 3091 & GB/T13793
Square Steel Pipe Standards	ASTM A500, A36, EN10219, EN10210, GB/T 6728, JIS G3466
Surface	1.Bare/Natural Black 2.Color Painted 3.Oiled with or without wrapped 4.Galvanized / Zinc Coated
Ends	Plain ends
Special Ends	Round erw steel pipe ends : threaded, beveled, grooved; Round ssaw steel pipe ends: beveled

Round ERW Welded Steel Pipe size chart
DN	OD		ASTM A53 GRA / B		ASTM A795 GRA / B		BS1387 EN10255
			SCH10S	STD SCH40	SCH10	SCH30 SCH40	LIGHT	MEDIUM	HEAVY
MM	INCH	MM	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
15	1/2”	21.3	2.11	2.77	-	2.77	2	2.6	-
20	3/4”	26.7	2.11	2.87	2.11	2.87	2.3	2.6	3.2
25	1”	33.4	2.77	3.38	2.77	3.38	2.6	3.2	4
32	1-1/4”	42.2	2.77	3.56	2.77	3.56	2.6	3.2	4
40	1-1/2”	48.3	2.77	3.68	2.77	3.68	2.9	3.2	4
50	2”	60.3	2.77	3.91	2.77	3.91	2.9	3.6	4.5
65	2-1/2”	73	3.05	5.16	3.05	5.16	3.2	3.6	4.5
80	3”	88.9	3.05	5.49	3.05	5.49	3.2	4	5
90	3-1/2"	101.6	3.05	5.74	3.05	5.74	-	-	-
100	4”	114.3	3.05	6.02	3.05	6.02	3.6	4.5	5.4
125	5”	141.3	3.4	6.55	3.4	6.55	-	5	5.4
150	6”	168.3	3.4	7.11	3.4	7.11	-	5	5.4
200	8”	219.1	3.76	8.18	4.78	7.04	-	-	-
250	10”	273.1	4.19	9.27	4.78	7.8	-	-	-

Spiral Welded Steel Pipe
Certificate	API 5L Certificate
Specification:	Outside Diameter: 219-2032mm
	Wall Thickness: 5-16mm
	Length: 12m   or customized
Surface	Bare / Natural black
	Galvanized
	3PE / FPE
Pipe Ends	Beveled or Plain
Steel Grade	Grade B / L245, X42, X52, X60

Strict Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates

learn more about certificates

Packing and Delivery:

Packing Details :
1. Round pipe OD 219mm and below, Square pipe OD 300mm and below: In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles or as clients requirements;
2. Round pipe above OD 219mm, Square pipe above OD 300mm: in bulk;
3. 25 tons/container and 5 tons/size for a trial order;
4. For 20" container the max length is 5.8m;
5. For 40" container the max length is 11.8m.

Delivery Details : Depending on the QTY, normally one month.