China ASTM A312 A778 Standard Small Diameter 304 316 Steel Pipes, Find details about China Steel Pipe, Steel Tube from ASTM A312 A778 Standard Small Diameter 304 316 Steel Pipes
Material | Stainless Steel 304/304L/316/316L |
Shape | Round |
Production Standards | ASTM A269, ASTM A312, ASTM A778, EN 10217-7, JIS G3459 and so on. |
Size | Outer diameter = 16 - 2000mm ; Thickness = 0.8 - 20 mm ; Length = 6 - 18.3 meter ; Or as customer' s request. |
Tolerance | According to the Standard , +/-10% Commonly ; |
Surface Treatment | Mill Finish; Bright Anneal; Pickle |
Process Characteristics | Inner Welded Seam Removed ; Online Bright Solution Anneal ; Inner Electro Polish And Mechanical Polish ; |
Application | Paper Mill; Carton Factory; Purification Equipment Factory; Chemical Industry; Waste Gas Discharge; Sewage Treatment Plant and so on. |
Test | Squash Test; Extended Test; Water Pressure Test; Crystal Rot Test; Heat Treatment; NDT |
Design | OEM / ODM / Customized |
Certificate | ISO9001:2015; AD 2000W0; PED 2014/68/EU; SGS |
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 | |||
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 6000~12000: +10.00 -0 |
Q1:Are you trading company or manufacturer? | We are the professional manufacturer with 5 factories. Specializing in producing welded stainless steel pipe / tube, stainless steel bollard for over 13 years. |
Q2:How long is your delivery time? | It is according to quantity. Generally it is 30 days. |
Q3:Can you provide us sample, is it free or need to pay? | 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. |
Q4:Can I get your best price? | 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. |