Shandong Hongqiao Energy Equipment Technology Co., Ltd.
                                                                                                           
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Since 2019
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S235 S275 S355 Carbon Steel Pipes 350x350 Shs Square Hollow Section Steel Tube

Price Negotiable
Price: $500.00 - $900.00/Tons
MOQ: 5 Tons
Delivery Time: Negotiable
Brand: Hongqiao
Product Description

S235,S275,S355 350x350 shs square hollow section steel tube

 

1. Commodity:  steel tube
2. Out Diameter: 13.7mm-914mm 
3. Wall Thickness: 2mm-120mm
4. Length: 2m-12m
5. Producing Standard: American ASME B36.10M, ASTM, API 5L, API 5CT
Japanese JIS
German DIN
Chinese GB
BS standard
 
6. Main Material:(Carbon Steel & Low Alloy steel) ASTM A53, A106, A210, A252, A333 etc;
X42, X46, X52, X60, X65, X70 etc;
JIS STPG42, G3454, G3456 etc;
German St37, St42, St45, St52, DIN1626, DIN17175
Chinese 20#, Q345, 16Mn etc
7. Special specifications: Available according to customer’s requirements and quantity.
8. End Shape: Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements
9. Surface treatment: Painted, Oiled, galvanized, phosphate etc
10. Usage: Widely used in the mechanical treatment field, petrochemical industry, transport and construction field
Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;
The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc
Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc
11. Third party inspection: Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.

 

Working Method Range Size of ID Tolerance
ID tolerance WT(mm) Ovality Curvature
H8 H9 H10
Cold drawn 25-250 >30-50 0.039 0.062 0.1 ±5% to 7.5% ≤0.10-0.20 0.3
Cold rolling 25-150 >50-80 0.046 0.074 0.12 ID>210mm
Cold drawn-hone 40-250 >80-120 0.054 0.087 0.14 ±10%
Cold drawn-SRB 50-250 >120-180 0.063 0.1 0.16  
Cold drawn-polish  40-250 >180-250 0.072 0.115 0.185  
Polish-SRB 50-250 Other size and technique parameter upon request

 

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shandong Hongqiao Energy Equipment Technology Co., Ltd.
Location 2-801, Zhongjian Jinxiu Plaza, No. 3716, Qingdao Road, Huaiyin Dist., Jinan, Shandong, China
Contact Person Hao

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