Loading Port:Tianjin
Payment Terms:TT or LC
Min Order Qty:60 m.t.
Supply Capability:9000 m.t./month
1、Structure of /Stainless Steel Welded Pipe ASTM A358/A312Description：
Stainless steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries.
2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312：
• High manufacturing accuracy
• High strength
• Small inertia resistance
3、Stainless Steel Welded Pipe ASTM A358/A312Images：
4、Stainless Steel Welded Pipe ASTM A358/A312/A778 Specification：
Size：
| Outside diameter | Outside | Thickness | ||||
| SCH 5S | SCH 10S | SCH 20S | SCH 40S | |||
| (A) | (B) | mm | mm | mm | mm | mm |
| 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 | 18′ | 457.2 | 4.19 | 4.78 | 7.92 | 14.27 |
| 500 | 20′ | 508 | 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 | 6.35 | 7.92 | 12.7 | 17.48 |
| 800 | 32′ | 812.8 | 7.9 | 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 | 9.53 | |||
Tolerances on dimensions table：
| Standard | Outside(mm) | Thickness(mm) | Length(mm) | |
| ASTM A312 | ≤48.26 | -0.4 | +No special provisions(Unspecified)-12.50% | Appoint LengthDefinite cut length+6.40 |
| ＞48.26~114.30 | 0 | 0 | ||
| ＞114.30~219.08 | 0.8 | |||
| ＞219.08~457.20 | 1.6 | |||
| ＞457~660 | -4 | |||
| ＞660~864 | -5 | |||
| ＞864~1219 | -5.6 | |||
| JIS G3459 | ＜30.00 ±0.30≥30.00 ±1.00% | ＜2.00 ±0.20≥2.00 ±10% | Appoint LengthDefinite cut Length | |
| GB/T 12771 | ＜13.00 ±0.2013.00~40.00 ±0.30≥40.00 ±0.80% | ≤4.00 +0.50 -0.60＞4.00 ±10% | 20 | |
| EN 10217-7 | D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min) | T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min) | ≤6000 +5.00 -06000~12000 +10.00 -0 | |
| D4±0.5% with±0.10mm(min) | T4±7.50% with±0.15mm(min) | |||
| T5±5.00% with±0.10mm(min) | ||||
| EN ISO 1127 | ||||
5、FAQ of Stainless Steel Welded Pipe ASTM A358/A312/A778：
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Any question, pls feel free to contact us !
