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stainless steel welded pipes astm a312 tp 316l inox pipe 200mm round tube 350 mm

| asme b36.19 standard sch5s sch10s sch40 18 inch seamed seamless stainless steel pipe tube 316 | ||||||
| ASTM A312/ASTM A778 Specification | ||||||
| Nomina Diameter | Outside Diameter | Nomina Wall Thickness | ||||
| mm | inch | mm | SCH 5S | SCH 10S | SCH 20S | SCH 40S |
| 350 | 14 | 355.6 | 3.96 | 4.78 | 7.92 | 11.13 |
| 400 | 16 | 406.4 | 4.19 | 4.78 | 7.92 | 12.7 |
| 450 | 15 | 457.2 | 4.19 | 4.78 | 7.92 | 14.27 |
| 500 | 20 | 508.0 | 4.78 | 5.54 | 9.53 | 15.09 |
| 550 | 22 | 558.8 | 4.78 | 5.54 | 9.53 | 15.09 |
| 600 | 24 | 609.6 | 5.54 | 6.35 | 9.53 | 17.48 |
| 650 | 26 | 660.4 | 5.54 | 7.92 | 12.7 | 17.48 |
| 700 | 28 | 711.2 | 5.54 | 7.92 | 12.7 | 17.48 |
| 750 | 30 | 762.0 | 6.35 | 7.92 | 12.7 | 17.48 |
| 800 | 32 | 812.8 | 7.92 | 12.7 | 17.48 | |
| 850 | 34 | 863.6 | 7.92 | 12.7 | 17.48 | |
| 900 | 36 | 914.4 | 7.92 | 12.7 | 19.05 | |
| 1000 | 40 | 1016.0 | 9.53 | |||
| Dimension Tolerance Table | ||||||
| Standard | outside 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 20537.3/4 | DN≤150 | ±0.75%, min±0.3mm | ±10%S,min ±0.3 mm | +6.00 -0 | ||
| 150<DN<300 | ±1% | |||||
| DN≥300 | ±1% | |||||
| GB/T 12771 | <13.00 | ±0.20 | ≤4.00 +0.50 | +20.00 -0 | ||
| 13.00~40.00 | ±0.30 | -0.60 | ||||
| ≥40.00 | ±0.80% | >4.00 ±10% | ||||
| EN 10217-7 | D1±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 | ≤6000 +5.00 -0 +10.00 -0 | |||
| EN 10217-7 Tolerance of Thickness ( EN ISO 1127 ) | |||
| Tolerance Class | Tolerance on outside diameter | Tolerance Class | Tolerance on Thickness |
| D 1 | ± 1.5 %, with ± 0.75 mm min. | T 1 | ± 15 %, with ± 0.6 mm min. |
| D 2 | ± 1 %, with ± 0.5 mm min. | T 2 | ± 12.5 %, with ± 0.4 mm min. |
| D 3 | ± 0.75 %, with ± 0.3 mm min. | T 3 | ± 10 %, with ± 0.2 mm min. |
| D 4 | ± 0.5 %, with ± 0.1 mm min. | T 4 | ± 7.5 %, with ± 0.15 mm min. |
| T 5 | ± 5 %, with ± 0.1 mm min. | ||
The description of large diameter stainless steel industrial pipe:
1. Product: stainless steel welded pipes astm a312 tp 316l inox pipe 200mm round tube 350 mm
2. Material: 300 series stainless steel
3. Standard: ASTM A312, GB 12771, EN 10217-7, etc.
4. Grade: 304, 304L, 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.


Free sample or any questions, Please feel free to contact us.←
astm a778 304l standard 350mm diameter stainless steel pipe
-Why choose us?
· Specialized in stainless steel weld pipe over 13 years.
· High quality raw material.
· ISO system.
· Finished Product Inventory, all kind of sizes are provided.
· 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 and 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
stainless steel welded pipes astm a312 tp 316l inox pipe 200mm round tube 350 mm





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Q: Are you trading company or manufacturer?
A: We are the manufacturer with 3 factories. Specializing in producing welded stainless steel pipe / tube, stainless steel bollard for over 13 years.
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A: It is according to quantity. Generally it is 30 days.
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