Loading Port:China main port
Payment Terms:TT or LC
Min Order Qty:25 m.t.
Supply Capability:40 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.. It can be molded, rolling, and it can create amazing shapes to make it perfect, It is used as experimental buildings, The use of steel pipe welding of large stainless steel covers other examples.
2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312：
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
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.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
Any question, pls feel free to contact us !
