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en10217-7 hot rolled stainless steel pipe for watsewater treatment

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Port: Guangzhou,Shanghai,Shenzhen,Foshan
Payment Terms: L/C,T/T,Western Union,MoneyGram
Supply Ability: 100 Ton/Tons per Month
Place of Origin: Guangdong China
OD Tolerance: +/-0.5%
Inspection: hydro-static testing, eddy current inspecting
Product: en10217-7 hot rolled stainless steel pipe for watsewater treatment
Model Number: ASTM A312, EN 10217-7
Certification: ISO, TUV
Name: en10217-7 stainless steel pipe
Bright annealed: 1040℃
Outer Diameter: 9.5-2000 mm
Brand Name: YAOLONG
Type: welded,hot rolled stainless steel pipe
Third party certificate: ISO 9001: 2015, PED 2014/68/EU, AU 2000-W0
Finish: Bright annealed and pickling
Application: water treatment,waste water treatment, oil and gas industry, etc.
Welding Line Type: efw
Steel Grade: 300 Series
Packaging Detail: en10217-7 hot rolled stainless steel pipe for watsewater treatment Package Type: 1. Each tube is packed with pipe end caps and plastic bag individually, then packed into woven belt or wooden box. 2. Bundle packing. 3. As customer's requirement.
Foshan Yaolong Hongrun Stainless Steel Pipe Co., Ltd.
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en10217-7 hot rolled stainless steel pipe for watsewater treatment


en10217-7 hot rolled stainless steel pipe for watsewater treatment
ASTM A312/ASTM A778 Specification
Nomina DiameterOutside DiameterNomina Wall Thickness
mminchmmSCH 5SSCH 10SSCH 20SSCH 40S
35014355.6 3.964.787.9211.13
40016406.4 4.194.787.9212.7
45015457.2 4.194.787.9214.27
50020508.0 4.785.549.5315.09
55022558.8 4.785.549.5315.09
60024609.6 5.546.359.5317.48
65026660.4 5.547.9212.717.48
70028711.2 5.547.9212.717.48
75030762.0 6.357.9212.717.48
80032812.8  7.9212.717.48
85034863.6  7.9212.717.48
90036914.4  7.9212.719.05
1000401016.0  9.53  
Dimension Tolerance Table
Standardoutside diameter(mm)thickness(mm)length(mm)
astm a312≤48.26+0.40 -0.80+unspecified -12.50%Definite cut lenght +6.40 -0
>48.26~114.30+0.80 -0.80
>114.30~219.08+1.60 -0.80
>219.08~457.20+2.40 -0.80
>457~660+3.20/ -0.80
>660~864+4.00/ -0.80
>864~1219+4.48/ -0.80
HG 20537.3/4DN≤150



±10%S,min ±0.3 mm+6.00 -0
GB/T 12771<13.00±0.20≤4.00 +0.50+20.00 -0
≥40.00±0.80%>4.00 ±10%
EN 10217-7D1±1.50% with ±0.75mm(min) 
D2±1.00% with ±0.50mm(min) 
D3±1.75% with ±0.30mm(min) 
D4±0.50% with ±0.10mm(min) 
EN ISO 1127
 T1±15.00% with ±0.60mm(min)
T2±12.5% with ±0.40mm(min)
T3±10.00% with ±0.20mm(min)
T4±7.50% with ±0.15mm(min)
T5±5.00% with ±0.10mm(min)
EN ISO 1127


+5.00 -0

+10.00 -0



The description of large diameter stainless steel industrial pipe:


1. Product: en10217-7 hot rolled stainless steel pipe for watsewater treatment

2. Material: 300 series stainless steel 

3. Standard: ASTM A312, GB 12771, EN 10217-7, etc.

4. Material Grade: 304, 304L, 316, 316L, etc.

5. Bead: inside weld bead removed

6. Tolerance: according to the standard

7. Inspection: Online eddy current inspecting, hydro-static Testing

8. Application: waste water treatment, oil and gas, petrochemical industry, paper pulp mills, etc

9. Certification: ISO 9001:2015, AD 2000-W0, PED 2014/68/EU

10. Finish: Bright annealing and pickling.

11. Produce range: OD 15.88~2000 MM, thickness is 0.8~20 MM, and customized length.

12. Process method: cold rolled or hot rolled.

13. Our stainless steel large diameter pipe is welded pipe. Smooth welding. 


application industry.jpg

Free sample or any questions, Please feel free to contact us.

main product.jpg

Production Flow

a 312 tp 18 inch welded stainless steel industrial pipe manufacturer


Why Choose Us

-Why choose us?


· Specialized in stainless steel weld pipe over 13 years.

· High quality raw material.

· ISO system.

· Finished Product Inventory.

· Shipment of goods-More than 50 countries worldwide.

· We have the most convenient transport and prompt delivery.

· We offer competitive price with best service.

· We have high technical production line with top quality products.


-The Features of YAOLONG stainless steel large diameter pipe:


1. High-tensile strength to stand against pressures

2. Prevent leakage

3. Good corrosion resistant ability

4. Our products are corrosion and high-temperature resistant

5. We can also produce other specifications according to customer's requirements

6. Best price, prompt delivery, intensive quality control system

Company Information

en10217-7 hot rolled stainless steel pipe for watsewater treatment


-2.jpg· We have stainless steel tubes in different sizes and shape in stock. If you are interested in our pipes, welcome to contact us.


Product Packing
a 312 tp 18 inch welded stainless steel industrial pipe manufacturer


FAQ & Contact

Q: Are you trading company or manufacturer?
A: We are the manufacturer with 3 factories. Specializing in producing and exporting welded stainless steel pipe/tube, stainless steel bollards for over 13 years.


Q: How long is your delivery time?
A: It is according to quantity. Generally it is 30 days.


Q: Can you provide us sample, is it free or need to pay?
A: If you don’t need to print your logo or other artwork on the products, we will not charge any cost, just tell us your freight collect account like Fedex, DHL, TNT. If you don’t have, we need to charge Express fee properly.


Q: Can I get your best price?

A: Our goal is to provide you the best price with great quality assured in a long run. Please leave your contact information for the best quotations, we will get back to you with the best solutions as soon as we can.


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