Stainless Steel 316 ASTM A312 Welded Pipe
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We offer a wide selection of SS 316 ASTM A312 Welded Pipe, and a diverse range of finish options to meet the performance and appearance requirements for most applications.Stainless Steel Pipe Stockist in Usa, Canada,UK, Uae,South Korea, Iran,Saudi Arabia, Malaysia, Italy, Singapore, Indonesia, Thailand, Germany,Australia, Turkey, Taiwan, Mexico, Vietnam, Spain, Netherlands, France, Poland, Brazil, Philippines, Japan, Kuwait, India, Philippines, United States,Usa,UK, Pakistan, Saudi Arabia(Ksa), United Arab Emirates(Uae), Indonesia, Sri Lanka, Iran, Hong Kong, Nigeria, Poland, Netherlands, Bahrain, Bangladesh, Belgium, Oman, Malaysia, Kuwait, Qatar, Canada, Argentina, Singapore, Japan, Thailand, Bahrain, Chennai, Gujarat, Mumbai, Turkey, Italy, South Korea | Depot & around the globe.
| SS 316 | |
|---|---|
| Standards | Welded Pipe |
| ASTM | A 312 |
| ASME | SA 312 |
| Pipe/Tube/Tubing Type | NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
|---|---|---|---|---|---|---|
| SS 316 ASTM A312 Welded Pipe | 1/8″ |  | | | | |
| SS 316 ASTM A312 Welded Pipe | 1/4″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 3/8″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 1/2″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 3/4″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 1″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 1 1/4″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 1 1/2″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 2″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 2 1/2″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 3″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 4″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 5″ | | | | | |
| SS 316 ASTM A312 Welded Pipe | 6″ | | | | |
ASTM Standards: ASTM A312, ASTM A213, ASTM A269, ASTM A376
European Standards: DIN 17456, DIN 17458, EN 10216, EN 10297
Japanese Standards: JIS G 3459, JIS GS3463, GS3467, JIS G3448
Russian Standards: GOST 9940, GOST 9941
We firstly possess a perfectly developed transport by which we can deliver goods directly from the warehouse to the customer. Secondly, we direct traffic, which ensures a delivery from the factory to customers from 15 tons. SS 316 ASTM A312 Welded Pipe that are not in stock at our own warehouse are based on the star traffic from other sites - every day! We aim at providing professional customer service with one-stop purchasing, along with superior quality control, competitive price, fast lead time and convenient transportation.
While marking we choose a specific item number as well different color shade to differentiate steel grades. We mark SS 316 ASTM A312 Welded Pipe as needed with the most suitable & visible marking technique.
We deliver from stock and warehousing as well as directly from the mill.
Packaging is an integral part of the product. It guarantees that the SS 316 ASTM A312 Welded Pipe is delivered to the customer in the required quality. For smaller orders the size of the SS 316 ASTM A312 Welded Pipe bundle depends on the no. of Tubes ordered, for larger orders the tubes are packed into individual bundles and in such a way that the maximum weight of 4000kg per bundle is not excedded. Bundle tied down with steel tape. Bundle tied down by steel strap underlaid by tapaten.
We can also provide SS 316 ASTM A312 Welded Pipe wooden box packing, cardboard boxes, plastic wrapping, using hardened paper with PE meshing (used as protection against mechanical damages of tubes), into tapaten and polyethylene sheet etc.
ISO 9001:2008 Certified company
Background of 316 Stainless Steel Pipes & Tubes
Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.
Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilized grade 316Ti.
The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.
Composition of 316 Stainless Steel Pipes & Tubes
Table 1. Composition ranges for 316 grade of stainless steels.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 316 | Min | - | - | - | 0 | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | |
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | |
| 316H | Min | 0.04 | 0.04 | 0 | - | - | 16.0 | 2.00 | 10.0 | - |
| max | 0.10 | 0.10 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | - |
| Grade | Tensile Str (MPa) min | Yield Str 0.2% Proof (MPa) min | Elong (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316 | 515 | 205 | 40 | 95 | 217 |
| 316L | 485 | 170 | 40 | 95 | 217 |
| 316H | 515 | 205 | 40 | 95 | 217 |
Note: 316H also has a requirement for a grain size of ASTM no. 7 or coarser.
Physical Properties of 316 Stainless Steel Pipes & Tubes
Table 3. Typical physical properties for 316 grade stainless steels.
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (µm/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Elec Resistivity (nΩ.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-1000C | 0-3150C | 0-5380C | At 1000C | At 5000C | |||||
| 316/L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Grade Specification Comparison of 316 Stainless Steel Pipes & Tubes
Table 4. Grade specifications for 316 grade stainless steels.
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Name | ||||
| 316 | S31600 | 316S31 | 58H, 58J | 1.4401 | X5CrNiMo17-12-2 | 2347 | SUS 316 |
| 316L | S31603 | 316S11 | - | 1.4404 | X2CrNiMo17-12-2 | 2348 | SUS 316L |
| 316H | S31609 | 316S51 | - | - | - | - | - |
Note: These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.
Corrosion Resistance of 316 Stainless Steel Pipes & Tubes
Excellent in a range of atmospheric environments and many corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 600C. Considered resistant to potable water with up to about 1000mg/L chlorides at ambient temperatures, reducing to about 500mg/L at 600C.
316 is usually regarded as the standard “marine grade stainless steel", but it is not resistant to warm sea water. In many marine environments 316 does exhibit surface corrosion, usually visible as brown staining. This is particularly associated with crevices and rough surface finish.
Heat Treatment of 316 Stainless Steel Pipes & Tubes
Solution Treatment (Annealing) - Heat to 1010-11200C and cool rapidly. These grades cannot be hardened by thermal treatment.
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Reliant Pipe & Tubes BHEL,ONGC, Saudi Aramco, NIOC Approved one of the oldest dealer & supplier of stainless Steel pipes Astm312/A358/A778,ASME B36.19M.Stainless steel pipes are used in constructions, food industry, pharmaceutical industry, petrochemical industry, automotive industry, municipal and decorative purposes. All Astm312/A358/A778,ASME B36.19M are individually covered so that the premium quality of materials is retained and there are no damges in the last stages of production.
Astm 312/A358/A778, ASME B36.19M.We manufacture Stainless Steel Pipes & Tubes for usage and application in different industries. These pipes and tubes are rigidly designed by using the graded stainless steel and advanced tools. This range of pipes & tubes can be accessed in various designs, lengths, diameters and finishes. Our product lines are widely acknowledged for their salient attributes like high tolerance, durable stability, rust resistance, fine finish and long working life. These products are ideal for various projects in industries such as aero-space, food & dairy, paper industry, chemical and power plants.
Port: JNPT PORT, MUMBAI (INDIA)
Payment Terms: L/C, T/T, Western Union
GRADE：TP304/304L, TP316/316L
STANDARD：ASTM A312/A358/A778, ASME B36.19M
O.D.：1/4″~80″
W.T.：SCH-5S, SCH-10S, SCH-40S
WELDING METHOD：TIG or TIG + Plasma or Laser
APPLICATION：Chemical & Petrochemical use etc.
PACKING：Sea Worthy Bundle or Steel Crate
All Astm312/A358/A778,ASME B36.19M are individually covered so that the premium quality of materials is retained and there are no damges in the last stages of production. We also ensure that we deliver our orders promplty and that the quality remains intact.
All Astm312/A358/A778,ASME B36.19M have imprints on them to highlight the specification of the pipes.
| NOMINAL DIAMETER NPS | OUTSIDE DIAMETER(MM) | SCH-5S WALL THICKNESS(MM) | SCH-10S WALL THICKNESS(MM) | SSCH-40S WALL THICKNESS(MM) |
|---|---|---|---|---|
| 1/4 | 13.72 | 1.65 | 2.24 | |
| 3/8 | 17.15 | 1.65 | 2.31 | |
| 1/2 | 21.34 | 1.65 | 2.11 | 2.77 |
| 3/4 | 26.67 | 1.65 | 2.11 | 2.87 |
| 1 | 33.40 | 1.65 | 2.77 | 3.38 |
| 1 1/4 | 42.16 | 1.65 | 2.77 | 3.56 |
| 1 1/2 | 48.26 | 1.65 | 2.77 | 3.68 |
| 2 | 60.33 | 1.65 | 2.77 | 3.91 |
| 2 1/2 | 73.03 | 2.11 | 3.05 | 5.16 |
| 3 | 88.90 | 2.11 | 3.05 | 5.49 |
| 3 1/2 | 101.60 | 2.11 | 3.05 | 5.74 |
| 4 | 114.30 | 2.11 | 3.05 | 6.02 |
| 5 | 141.30 | 2.77 | 3.40 | 6.55 |
| 6 | 168.28 | 2.77 | 3.40 | 7.11 |
| 8 | 219.08 | 2.77 | 3.76 | 8.18 |
| 10 | 273.05 | 3.40 | 4.19 | 9.27 |
| 12 | 323.85 | 3.96 | 4.57 | 9.53 |
| 14 | 355.60 | 3.96 | 4.78 | 9.53 |
| 16 | 406.40 | 4.19 | 4.78 | 9.53 |
| 18 | 457.20 | 4.19 | 4.78 | 9.53 |
| 20 | 508.00 | 4.78 | 5.54 | 9.53 |
| 22 | 558.80 | 4.78 | 5.54 | |
| 24 | 609.60 | 5.54 | 6.35 | 9.53 |
| 30 | 762.00 | 6.35 | 7.92 | |
| 32 | 80 | 812.8 | 2032.0 | (Thickness)：6.35~30mm Nominal diameter and wall thickness subject to the approval of vendor and purchaser | ||
ASME B36.19 Pipe Size Chart – pipes weight in kg/meter by pipe NPS and schedule
| NPS | OD | Schedule | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5S | 10S | 40S | 80S | ||||||||||
| (mm) | (inch) | WT / WEIGHT | |||||||||||
| mm (in) | kg/m | mm (in) | kg/m | mm (in) | kg/m | mm (in) | kg/m | ||||||
| 1/8 | 10.3 | 0.405 | – | – | 1.25 (0.049) | 0.28 | 1.73 (0.068) | 0.37 | 2.42 (0.095) | 0.47 | |||
| 1/4 | 13.7 | 0.540 | – | – | 1.66 (0.065) | 0.49 | 2.24 (0.088) | 0.63 | 3.03 (0.119) | 0.80 | |||
| 3/8 | 17.2 | 0.675 | – | – | 1.66 (0.065) | 0.63 | 2.32 (0.091) | 0.85 | 3.20 (0.126) | 1.10 | |||
| 1/2 | 21.3 | 0.840 | 1.65 (0.065) | 0.81 | 2.11 (0.083) | 1.00 | 2.77 (0.109) | 1.27 | 3.74 (0.147) | 1.62 | |||
| 3/4 | 26.7 | 1.050 | 1.65 (0.065) | 1.02 | 2.11 (0.083) | 1.28 | 2.87 (0.113) | 1.68 | 3.92 (0.154) | 2.20 | |||
| 1 | 33.4 | 1.315 | 1.65 (0.065) | 1.30 | 2.77 (0.109) | 2.09 | 3.38 (0.133) | 2.50 | 4.55(0.179) | 3.24 | |||
| 1 1/4 | 42.2 | 1.660 | 1.65 (0.065) | 1.66 | 2.77 (0.109) | 2.69 | 3.56 (0.140) | 3.39 | 4.86 (0.191) | 4.47 | |||
| 1 1/2 | 48.3 | 1.900 | 1.65 (0.065) | 1.91 | 2.77 (0.109) | 3.11 | 3.69 (0.145) | 4.06 | 5.08 (0.200) | 5.41 | |||
| 2 | 60.3 | 2.375 | 1.65 (0.065) | 2.40 | 2.77 (0.109) | 3.93 | 3.92 (0.154) | 5.45 | 5.54 (0.218) | 7.49 | |||
| 2 1/2 | 73.0 | 2.875 | 2.11 (0.083) | 3.69 | 3.05 (0.120) | 5.26 | 5.16 (0.203) | 8.64 | 7.01 (0.276) | 11.4 | |||
| 3 | 88.9 | 3.500 | 2.11 (0.083) | 4.52 | 3.05 (0.120) | 6.46 | 5.49 (0.216) | 11.3 | 7.62 (0.300) | 15.3 | |||
| 3 1/2 | 101.6 | 4.000 | 2.11 (0.083) | 5.18 | 3.05 (0.120) | 7.41 | 5.74 (0.226) | 13.6 | 8.08 (0.318) | 18.6 | |||
| 4 | 114.3 | 4.500 | 2.11 (0.083) | 5.84 | 3.05 (0.120) | 8.37 | 6.02 (0.237) | 16.1 | 8.56 (0.337) | 22.3 | |||
| 5 | 141.3 | 5.563 | 2.77 (0.109) | 9.46 | 3.41 (0.134) | 11.6 | 6.56 (0.258) | 21.8 | 9.53 (0.375) | 31.0 | |||
| 6 | 168.3 | 6.625 | 2.77 (0.109) | 11.3 | 3.41 (0.134) | 13.9 | 7.12 (0.280) | 28.3 | 10.9 (0.432) | 42.6 | |||
| 8 | 219.1 | 8.625 | 2.77 (0.109) | 14.8 | 3.76 (0.148) | 20.0 | 8.18 (0.322) | 42.5 | 12.7 (0.500) | 64.6 | |||
| 10 | 273.1 | 10.750 | 3.41 (0.134) | 22.7 | 4.20 (0.165) | 27.8 | 9.28 (0.365) | 60.4 | 12.7 (0.500) | 81.5 | |||
| 12 | 323.9 | 12.750 | 3.97 (0.156) | 31.3 | 4.58 (0.180) | 36.1 | 9.53 (0.375) | 73.9 | 12.7 (0.500) | 97.4 | |||
| Allowed Outside Diameter Tolerance | ||||
|---|---|---|---|---|
| Over | Under | |||
| inches | mm | inches | mm | |
| NPS 1/8 to 1½ DN 6 to 40 OD 10.3 to 48.3, mm | 1/64 | 0.4 | 1/64 | 0.4 |
| Over 1½ to 4 DN 40 to 100 OD 48.3 to 114.3, mm | 1/32 | 0.8 | 1/32 | 0.8 |
| Over 4 to 8 DN 100 to 200 OD 114.3 to 219.1, mm | 1/16 | 1.6 | 1/32 | 0.8 |
| Over 8 to 18 DN 200 to 450 OD 219.1 to 457, mm | 3/32 | 2.4 | 1/32 | 0.8 |
| Over 18 to 26 DN 450 to 650 OD 457 to 660, mm | 1/8 | 3.2 | 1/32 | 0.8 |
| Tolerance, % from Nominal | ||
|---|---|---|
| Over | Under | |
| NPS 1/8 to 2½, incl, all t/D ratios DN 6 to 65 OD 10.3 to 73.0, mm | 20.0 | 12.5 |
| NPS 3 to 18, incl, t/D up to 5% DN 80 to 450 OD 88.9 to 457, mm | 22.5 | 12.5 |
| NPS 3 to 18, incl, t/D > 5% DN 80 to 450 OD 88.9 to 457, mm | 15.0 | 12.5 |
| NPS 20 and larger, incl, welded, all t/D ratios DN 500 OD 508, mm | 17.5 | 12.5 |
| NPS 20 and larger, incl, seamless, t/D up to 5% DN 500 OD 508, mm | 22.5 | 12.5 |
| NPS 20 and larger, incl, seamless, t/D > 5% DN 500 OD 508, mm | 15.0 | 12. |
Should be within -10% to +10% tolerance, as a rule of thumb (-3/+3% should be acceptable).
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