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SS SMLS PIPE
- SS SMLS PIPE 2507 ASTM A790
- SS SMLS PIPE 2205 ASTM A790
- SS SMLS PIPE S31803 ASTM A790
- SS SMLS PIPE 904L ASTM A240
- SS SMLS PIPE TP321 ASTM A312
- SS SMLS PIPE TP310S ASTM A312
- SS SMLS PIPE TP316Ti ASTM A312
- SS SMLS PIPE TP316L ASTM A312
- SS SMLS PIPE TP316 ASTM A312
- SS SMLS PIPE TP304L ASTM A312
- SS SMLS PIPE TP304 ASTM A312
China Suppliers and Factory of ASTM A269/A270/A213 TP316 Stainless Steel Seamless Tubes – Fast Delivery Available
Introduction
ASTM A269 TP316 is a molybdenum-bearing austenitic stainless steel tube, designed for demanding corrosive and high-temperature applications. As part of the 316 family, it incorporates 2.0–3.0% molybdenum (Mo), significantly enhancing its resistance to pitting, crevice corrosion, and chemical attack compared to non-molybdenum grades like TP304. The standard carbon content (≤0.08%) makes it suitable for applications where post-weld heat treatment is feasible or sensitization risks are managed.
Key Features
High-Temperature Performance
Retains mechanical stability up to 870°C, ideal for boilers and heat exchangers.
Surface Finish Options
Available in bright annealed (BA), polished, or electropolished finishes.
Common Applications
Chemical processing equipment, marine hardware, and industrial piping systems.
Material Specification
Standard
ASTM A269 & A270 & A213
O.D. Range
1/8" NB TO 32" NB (10.29MM - 812.80MM) (Customization Available)
Wall Thickness (W.T)
SCH 10S, SCH 40S, SCH 80S, SCH160, SCH XXS (Customization Available)
Applications
Chemical & Petrochemical Industries
High-Temperature Applications
Food & Pharmaceutical
Energy Sector
Marine & Shipbuilding
General Industrial Piping
End Finish
Plain End, Beveled End, Threaded
Processing
Cut-to-length; Polishing.
Inspection & Delivery
100% PMI TESTED
EN10204.3.1B MILL TEST CERTIFICATE
THIRD PARTY INSPECTION ACCEPTED
Delivery Condition: Cold Drawn, Annealed and Pickled / Polished / Bright Annealed / Sand blasting / Shot Blasting.
Marking
All SS SMLS Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or as per the customer’s request)
Packing
Packed in Wooden Boxes, plywood cases, Steel Strips Bundled, or as per Customers Requests
Specials
Sizes and Specifications other than above can be customized on request.
Specification Parameters
CHEMICAL COMPOSITION - TP316 (ASTM A269/A269M)
| HEAT NO. | CHEMICAL COMPOSITION (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Ni | Cr | Mo | ||
| STAND. | MIN. | 10.00 | 16.00 | 2.0 | |||||
| MAX. | 0.080 | 2.00 | 0.045 | 0.030 | 1.00 | 14.00 | 18.00 | 3.0 | |
CHEMICAL COMPOSITION - TP316 (ASTM A270 & ASTM A213)
| HEAT NO. | CHEMICAL COMPOSITION (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Ni | Cr | Mo | ||
| STAND. | MIN. | 10.00 | 16.00 | 2.0 | |||||
| MAX. | 0.080 | 2.00 | 0.045 | 0.030 | 1.00 | 14.00 | 18.00 | 3.0 | |
Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness MAX | |
|---|---|---|---|---|---|
| Rockwell (HRB) | Brinell (HBW) | ||||
| ASTM A269 TP316 | - | - | - | 90 | 192 |
| ASTM A213 TP316 | 515 | 205 | 35 | 90 | 192 |
| ASTM A270 TP316 | 515 | 205 | 35 | B90 | - |
Equivalent Grades - (ASTM A269 & A270 & A213 TP316 Equivalent Grades)
| USA (ASTM / AISI) | Germany (DIN, WNr) | Japan (JIS) | France (AFNOR) | England (BS) | Euronorms (EN) | China (GB) | India (IS) | International (ISO) | Russia (GOST) |
|---|---|---|---|---|---|---|---|---|---|
| TP316 / 316 | X5CrNiMo17-12-2 (1.4401) | SUS316 | Z7CND17-11-02 | 316S31 / 316S33 | 1.4401 | 06Cr17Ni12Mo2 | 04Cr17Ni12Mo2 | X5CrNiMo17-12-2 | 08Х17Н13М2 |
ASTM A269/A269M Standard Cold Machining Size Deviation Permitted
| Group | Size, Outside Diameter, in. [mm] | Permissible Variations in Outside Diameter, in. [mm] | Permissible Variations in Wall Thickness, A % | Permissible Variations in Cut Length, in. [mm] B | Thin Walled Tubes C | |
|---|---|---|---|---|---|---|
| Over | Under | |||||
| 1 | Up to 1/2 [13] | ±0.005 [0.13] | ±15 | 1/8 [3.2] | 0 | ... |
| 2 | 1/2 to 1 1/2 [13 to 38], excl | ±0.005 [0.13] | ±10 | 1/8 [3.2] | 0 | less than 0.065 in. [1.65 mm] nominal |
| 3 | 1 1/2 to 3 1/2 [38 to 89], excl | ±0.010 [0.25] | ±10 | 3/16 [4.8] | 0 | less than 0.095 in. [2.41 mm] nominal |
| 4 | 3 1/2 to 5 1/2 [89 to 140], excl | ±0.015 [0.38] | ±10 | 3/16 [4.8] | 0 | less than 0.150 in. [3.81 mm] nominal |
| 5 | 5 1/2 to 8 [140 to 203], excl | ±0.030 [0.76] | ±10 | 3/16 [4.8] | 0 | less than 0.150 in. [3.81 mm] nominal |
| 6 | 8 to 12 [203 to 305], excl | ±0.040 [1.01] | ±10 | 3/16 [4.8] | 0 | less than 0.200 in. [5.08 mm] nominal |
| 7 | 12 to 14 [305 to 356], excl | ±0.050 [1.26] | ±10 | 3/16 [4.8] | 0 | less than 0.220 in. [5.59 mm] nominal |
ASTM A270/A270M Standard Cold Machining Size Deviation Permitted
| Size, Outside Diameter, in. [mm] | Permissible Variations in Outside Diameter, in. [mm] | Permissible Variations in Cut Length, in. [mm] A | ||
|---|---|---|---|---|
| Over | Under | Over | Under | |
| 1.000 [25] and under | 0.005 [0.13] | 0.005 [0.13] | 1/8 [3] | 0 |
| Over 1 [25] to 2 [50] | 0.008 [0.20] | 0.008 [0.20] | 1/8 [3] | 0 |
| Over 2 [50] to 3 [75] | 0.010 [0.25] | 0.010 [0.25] | 1/8 [3] | 0 |
| Over 3 [75] to 4 [100] | 0.015 [0.38] | 0.015 [0.38] | 1/8 [3] | 0 |
| Over 4 [100] to 5 1/2 [140], excl | 0.015 [0.38] | 0.015 [0.38] | 3/16 [5] | 0 |
| 5 1/2 [140] to 8 [200], excl | 0.030 [0.75] | 0.030 [0.75] | 3/16 [5] | 0 |
| 8 [200] to 12 [300] | 0.050 [1.25] | 0.050 [1.25] | 3/16 [5] | 0 |
Frequently Asked Questions
What is the primary benefit of ASTM A269 TP316 over TP304 stainless steel?
ASTM A269 TP316 contains 2.0% to 3.0% Molybdenum (Mo), which significantly improves its resistance to chloride-induced pitting, crevice corrosion, and chemical degradation compared to the non-molybdenum TP304 grade.
What are the typical applications for ASTM A269 TP316 tubes?
These tubes are widely used in chemical and petrochemical processing, marine hardware, high-temperature boilers, heat exchangers, food processing, pharmaceutical systems, and general industrial piping.
What surface finish options are available for ASTM A269 TP316?
Common surface treatments include Bright Annealed (BA), mechanical polishing (e.g., grit finishes), and electropolishing (EP), depending on the requirements for cleanliness, sanitary design, or aesthetics.
Can these tubes be customized in size and length?
Yes, outside diameters (O.D.) from 1/8" to 32" NB and wall thicknesses (W.T.) under various schedules can be customized. Cuts to specific lengths and various end configurations (plain, beveled, or threaded) are also available.
What inspections are carried out on these stainless steel tubes?
Quality assurance includes 100% Positive Material Identification (PMI) testing, EN10204 3.1 Mill Test Certification, dimensional verification, and optional third-party inspections to confirm mechanical properties and chemical compositions.