High Quality Carbon Seamless Steel Square Tube Price Per Ton

• Customization: Available
• After-sales Service: Quality Objection Within 10 Days Since Receiving
• Warranty: 6 Months
• Model NO.: ZZ-SP-058
• Technique: Hot Rolled,Extruded
• Material: Carbon Steel, Alloy Steel
• Surface Treatment: Hot Rolled, Galvanized, Polished, Coated
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square
• Thickness: 3-100mm
• Diameter: 6-500mm
• Length: 6m,9m,12m or Customized
• Steel Grade: Q235B, Q345b,Q345c,Q345D,Ss400,Ck45,4140,42CrMo
• Brand: Shandong
• MOQ: 1 Tons
• Stock: More Than 10,000tons
• Shipment Port: Tianjin, Qingdao, Shanghai
• Shipping: by Container or Bulk Ship
• Processing Services: Cutting, Polishing,Drilling
• Technique Type: Cold Drawn, Hot Rolled, Forged
• Delivery: Within 7 Days for Normal Size
• Surface: Prime Original Surface, Galvanized or Coated
• Warehouse Location: Tianjin, Hebei, Shandong
• Payment Term: 30%T/T, Balance Against Shipping Docs
• Transport Package: Standard Exporting Package
• Specification: 6-500mm
• Trademark: Zengze
• Origin: China
• HS Code: 7304900000
• Production Capacity: 10000 Tons Per Month

Product Description

 

Product Description

Supply	1.  Carbon steel pipe
	2.  Petroleum casing pipe
	3.  Fluid pipe
	4.  structure pipe
	5.  Alloy steel pipe
Standard	API 5L, ASME, ASTM,  DIN, GB8162, GB8163, GB5310,etc.
Thickness	SCH5~SCH160, STD, XS, XXS, 2mm~100mm
Outer Diameter	1/8"~24"(6mm~610mm)
Supply Length	5.8m 6m 12m or According to customer demand
Surface Treatment	Black painting, black varnish, transparent oil, epoxy coating, etc
Package	In bundles, ends can be beveled or square cut, end capped or according to customer demand
Used Area	Petroleum, chemical, power, gas, water, metallurgy, shipbuilding, construction, etc.
Certification	ISO9001,2000, API, Mill Test Certificate
Third Party Inspection	SGS, or According to customer demand
Remark	XPY or According to customer demand
Payment Terms	L/C, T/T

Chemical&Mechanical parameters
Grade	C	Mn	Si	Cr	Mo	S	P
20G	0.17~0.23	0.35~0.65	0.17~0.37	---	---	≤0.020	≤0.025
20MnG	0.17~0.23	0.70~1.00	0.17~0.37	---	---	≤0.020	≤0.025
25MnG	0.22~0.29	0.70~1.00	0.17~0.37	---	---	≤0.020	≤0.025
12CrMoG	0.08~0.15	0.40~0.70	0.17~0.37	0.40~0.70	0.40~0.55	≤0.020	≤0.025
15CrMoG	0.12~0.18	0.40~0.70	0.17~0.37	0.80~1.10	0.40~0.55	≤0.020	≤0.025
SA-210A1	≤0.27	≤0.93	≥0.10	---	---	≤0.035	≤0.035
SA-210C	≤0.35	0.29~1.06	≥0.10	---	---	≤0.035	≤0.035
SA-213T2	0.10~0.20	0.30~0.61	0.10~0.30	0.50~0.81	0.44~0.65	≤0.025	≤0.025
SA-213T12	0.05~0.15	0.30~0.61	≤0.50	0.80~1.25	0.44~0.65	≤0.025	≤0.025
Grade	T(MPa)	Y(MPa)	E(%)	Hardness
20G	410~550	245	≥24	---
20MnG	≥415	≥240	≥22	---
25MnG	≥485	≥275	≥20	---
12CrMoG	410~560	≥205	≥21	---
15CrMoG	440~640	≥235	≥21	---
SA-210C	≥415	≥255	≥30	≤143HBW
SA-210A1	≥485	≥275	≥30	≤179HBW
SA-213T2	≥415	≥205	≥30	≤163HBW
SA-213T12	≥415	≥220	≥30	≤163HBW

Round Pipe Size:

N.D.		O.D.		SCH 10				SCH 30/40
				W.T.		NORMAL WEIGHT		W.T.		NORMAL WEIGHT
(mm)	(INCH)	(mm)	(inch)	(mm)	(inch)	(kg/mtrs)	(lbs/ft)	(mm)	(inch)	(kg/mtrs)	(lbs/ft)
15	1/2''	21.30	0.840	----	----	----	----	2.77	0.109	1.27	0.85
20	3/4''	26.70	1.050	2.11	0.083	1.28	0.96	2.87	0.113	1.69	1.13
25	1''	33.40	1.315	2.77	0.109	2.09	1.41	3.38	0.133	2.50	1.68
32	1.1/4''	42.20	1.660	2.77	0.109	2.69	1.81	3.56	0.140	3.39	2.27
40	1.1/2''	48.30	1.900	2.77	0.109	3.11	2.09	3.68	0.145	4.05	2.72
50	2''	60.30	2.375	2.77	0.109	3.93	2.64	3.91	0.154	5.45	3.66
65	2.1/2''	73.00	2.875	3.05	0.120	5.26	3.53	5.16	0.203	8.64	5.80
80	3''	88.90	3.500	3.05	0.120	6.46	4.34	5.49	0.216	11.29	7.58
90	3.1/2''	101.60	4.000	3.05	0.120	7.41	4.98	5.74	0.226	13.58	9.12
100	4''	114.30	4.500	3.05	0.120	8.37	5.62	6.02	0.237	16.09	10.80
125	5''	141.30	5.563	3.40	0.134	11.58	7.78	6.55	0.258	21.79	14.63
150	6''	168.30	6.625	3.40	0.134	13.85	9.30	7.11	0.280	28.29	18.99
200	8''	219.10	8.625	4.78	0.188	25.26	16.96	7.04	0.277	36.82	24.72
250	10''	273.10	10.750	4.78	0.188	31.62	21.23	7.08	0.307	51.05	34.27

Detailed Photos

 

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Packaging & Shipping

Company Profile

Tianjin Zengze Steel established in 2007, Zengze Steel has developed into a large-scaled enterprise, located in the city of Tianjin, which is the largest artificial harbor in north China. With convenient transportation advantage of Tianjin, intellectual marketing network, powerful system of storage, processing and distribution, and good reputation, Zengze Steel has successfully set up a win-win platform between mills and clients.

Zengze Steel is located in Xinduhui Square, Beichen District, Tianjin City. Zengze Steel now owns one processing center for hot rolled steel and the other for cold rolled steel, both are located in Tianjin TEDA Industry Area, taking up over 113,220 square meters. The storage capacity of Zengze Steel is 70,000 metric tons and the annual comprehensive processing capacity comes to 1 million metric tons.

Zengze Steel started its oversea trading since 2010 when it obtained the import and export license of proprietary trading, providing the international standard processing and distribution service for customers all over the world.

Our goal is to become the comprehensive service center combined with proccessing, assorting and storage. Our mission is to be the pioneer of cost solution and service concept in steel industry chain.

 

Our Advantage:
1. We deal with steel products for over 14 years.
2. We mainly supply steel products for the construction industry and manufacturing industry.
3. We have longterm cooperation with most of the state-owned factories and famous private factories.
4. We can provide all kinds of steels such as pipes, sheets, plates, bars, coils, beams and sectiongs; We also supply all the steel materials such as carbon steel, stainless steels, alloy steels.

FAQ:
1. How can we guarantee quality? 

Always a pre-production sample before mass production; Always final Inspection before shipment;

 

2.What can you buy from us? 

Stainless steel,Carbon steel,Galvanized,PPGI,PPGL

 

3. Why should you buy from us not from other suppliers? 
Our company are specialized in steel field for over more than 14 years 
 

4. What is your terms of payment ? 

30% T/T in advance ,balance before shippment by T/T or L/C