| Name | ASTM A790 Duplex Stainless Steel Pipe-SASO Approved Falaj Irrigation Lines for NEOM Smart City Solar Farms |
| Standard | ASTM, GB, JIS, DIN, EN, AISI |
| Material Grade | TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S |
| TP410 TP410S TP403 | |
| S31803/S32205 S32750 S32760 | |
| Outer Diameter | Seamless Pipe: 4mm-812.80mm |
| Welded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm) | |
| Thickness | Seamless Pipe: 0.5mm - 60mm |
| Welded Pipe: single slit(0.5mm-25mm);girth(3mm-45mm) | |
| Length | 5.8-6.1 m or as customers' request |
| Tolerance | Acording to the Standard. |
| Surface | 180G, 320G, 400G Satin / Hairline |
| 400G, 500G, 600G or 800G Mirror finish | |
| Test | UT, ET, HT, RT, ect, and others according to the standard, or as the requests of the customers |
| Certificate | ISO9001-2008, ASME, PED |
| Delivery Time | 30-60Days, Depends on quantity |
| Product Name | Stainless Steel Pipe, Stainless Steel Tube |
| Specification | OD: Seamless ( 6.0-1000mm), Welded (50-2500mm). Customized sizes are accepted |
| Thickness | 0.1-200mm |
| Length | 1000-12000mm |
| Standard | ASME, ASTM, EN, BS, GB, DIN, JIS, et |
| Material | 304, 304L, 310S, 310, 309, 309S, 314, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, etc. |
| Finish | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, hair line, sandblast, brush, etc |
| Brand Name | TISCO, Baosteel, LISCO, JISCO |
| Place of Origin | China |
| Port of Loading | TIANJIN, GUANGZHOU, NIINGBO, SHANGHAI or as required |
| Terms of Delivery | FOB, CFR, CIF, CNF, Ex-Work |
| Terms of Payment | TT/ LC, Accept other payment methods |
| Delivery time | Within 3-15 days or as your requirement |
| Package | Standard Export Seaworthy Package, or as required. |
| MTC | Mill Test Certificate is supplied with shipment, Third Part Inspection is acceptable |
| Certificate | ISO 9001 BV SGS,etc |
| Stock | Ready in stocks |
| Chemical Composition (%) | ||||||||
| Grade | C | Mn | Si | Cr | Ni | P | S | Mo |
| 201 | ≤0.15 | 5.5-7.5 | ≤0.75 | 16.0-18.0 | 3.5-5.5 | ≤0.06 | ≤ 0.03 | |
| 304 | ≤0.08 | ≤2.0 | ≤1.0 | 18.0-20.0 | 8.0-10.5 | ≤0.045 | ≤ 0.03 | |
| 304L | ≤0.03 | ≤2.0 | ≤1.0 | 18.0-20.0 | 9.0-13.0 | ≤0.045 | ≤ 0.03 | |
| 304H | 0.04-0.10 | ≤2.0 | ≤0.75 | 18.0-20.0 | 8.0-10.5 | ≤0.045 | ≤ 0.03 | |
| 304N | ≤0.08 | ≤2.0 | ≤0.75 | 18.0-20.0 | 8.0-10.5 | ≤0.045 | ≤ 0.03 | |
| 305 | ≤0.12 | ≤2.0 | ≤0.75 | 17.0-19.0 | 10.5-13.0 | ≤0.045 | ≤ 0.03 | |
| 309 | ≤0.20 | ≤2.0 | ≤0.75 | 22.0-24.0 | 12.0-15.0 | ≤0.045 | ≤ 0.03 | |
| 309S | ≤0.08 | ≤2.0 | ≤0.75 | 22.0-24.0 | 12.0-15.0 | ≤0.045 | ≤ 0.03 | |
| 310S | ≤0.08 | ≤2.0 | ≤1.5 | 24.0-26.0 | 19.0-22.0 | ≤0.045 | ≤ 0.03 | |
| 314 | ≤0.25 | ≤2.0 | 1.5-3.0 | 23.0-26.0 | 19.0-22.0 | ≤0.045 | ≤ 0.03 | |
| 316 | ≤0.08 | ≤2.0 | ≤0.75 | 16.0-18.0 | 10.0-14.0 | ≤0.045 | ≤ 0.03 | Mo 2.0-3.0 |
| 316L | ≤0.03 | ≤2.0 | ≤0.75 | 16.0-18.0 | 10.0-14.0 | ≤0.045 | ≤ 0.03 | Mo 2.0-3.0 |
| 316N | ≤0.08 | ≤2.0 | ≤0.75 | 16.0-18.0 | 10.0-14.0 | ≤0.045 | ≤ 0.03 | Mo 2.0-3.0 |
| 316Ti | ≤0.08 | ≤2.0 | ≤1.0 | 16.0-18.0 | 10.0-14.0 | ≤0.045 | ≤ 0.03 | Mo 2.0-3.0 Ti 0.2-0.7 |
| 317L | ≤0.03 | ≤2.0 | ≤0.75 | 18.0-20.0 | 11.0-15.0 | ≤0.045 | ≤ 0.03 | |
| 321 | ≤0.08 | ≤2.0 | ≤0.75 | 17.0-19.0 | 9.0-12.0 | ≤0.045 | ≤ 0.03 | |
| 321H | 0.04-0.10 | ≤2.0 | ≤0.75 | 17.0-19.0 | 9.0-12.0 | ≤0.045 | ≤ 0.03 | |
| 329 | ≤0.08 | ≤1.00 | ≤0.75 | 23.0-28.0 | 2.0-5.0 | ≤0.04 | ≤0.03 | |
| 347H | 0.4-0.10 | ≤2.0 | ≤0.75 | 17.0-19.0 | 9.0-13.0 | ≤0.045 | ≤ 0.03 | |
| 409 | ≤0.08 | ≤1.0 | ≤1.0 | 10.5-11.75 | 0.50 | ≤0.045 | ≤ 0.03 | |
| 410 | ≤0.15 | ≤1.0 | ≤1.0 | 11.5-13.5 | 0.75 | ≤0.04 | ≤0.03 | |
| 430 | ≤0.12 | ≤1.0 | ≤1.0 | 16.0-18.0 | 0.75 | ≤0.04 | ≤0.03 | |
| 17-4PH | ≤0.07 | ≤1.0 | ≤1.0 | 15.5-17.5 | 3.0-5.0 | ≤0.04 | ≤0.03 | |
| 17-7PH | ≤0.09 | ≤1.0 | ≤1.0 | 16.0-18.0 | 6.5-7.75 | ≤0.04 | ≤0.03 | AL 0.75-1.5 |
| 904L | ≤0.02 | ≤2.0 | ≤1.0 | 19.0-23.0 | 23.0-28.0 | ≤0.045 | ≤0.035 | |
| 2205 | ≤0.03 | ≤2.0 | ≤1.0 | 22.0-23.0 | 4.5-6.5 | ≤0.03 | ≤0.02 | |
| 2507 | ≤0.03 | ≤1.0 | ≤0.8 | 24.0-26.0 | 6.0-8.0 | ≤0.035 | ≤0.02 | |
Seamless Stainless-Steel Pipes:
Size:1/8” to 24” (10.3mm to 610mm)
Schedules: 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH
Wall Thickness: 1mm to 60mm| Grade | Specification |
| Stainless 304/304L, 304/304H | ASTM A312/SA312 |
| Stainless 309S | ASTM A312/SA312 |
| Stainless 310S | ASTM A312/SA312 |
| Stainless 316/316L, 316/316H | ASTM A312/SA312 |
| Stainless 317/317L | ASTM A312/SA312 |
| Stainless 321/321H | ASTM A312/SA312 |
| Stainless 347/347H | ASTM A312/SA312 |
Welded stainless steel pipe
Size:1/8” to 36” (10.3mm to 914mm)
Schedules: 5s, 10s, 20, 40s, 40, 60, 80s, 80
Wall Thickness: 1mm to 12.7mm| Grade | Specification |
| Stainless 304/304L, 304/304H | A/SA312 |
| Stainless 316/316L. 316/316H | A/SA312 |
| Stainless 317/317L | A/SA312 |
| Stainless 321/321H | A/SA312 |
| Stainless 347/347H | A/SA312 |
Referenced Documents:
ASTM Referenced Standards
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A999/A999M Specification for General Requirements for Alloy and Stainless-Steel Pipes
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel Tubes
E112 Test Methods for Determining Average Grain Size
E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Chemical Composition:
| Grade | UNS Design | Composition, % | ||||||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mb | Ti | Nb | N | Cu | Ce | B | Al | ||
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–13 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP304H | S30409 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP310S | S31008 | 0.08 | 2 | 0.045 | 0.03 | 1 | 24.0- 26 | 19.0- 22 | 0.8 | . . . | . . . | . . . | . . . | . . . | ||
| TP310H | S31009 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 24.0–26 | 19.0–22 | . . . | . . . | . . . | . . . | . . . | |||
| TP310H | S31035 | 0.04 – 0.1 | 0.6 | 0.025 | 0.015 | 0.4 | 21.5–23.5 | 23.5–26.5 | . . . | . . . | 0.40- 0.6 | 0.20- 0.3 | 2.5- 3.5 | . . . | 0.002- 0.008 | |
| TP316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP316H | S31609 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP317 | S31700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 11.0–15 | 3.0–4 | . . . | . . . | . . . | . . . | . . . | ||
| TP317L | S31703 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 11.0–15 | 3.0–4 | . . . | . . . | . . . | . . . | . . . | ||
| TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | Ti 5 × (C+N) min, 0.70 max | . . . | 0.1 | . . . | . . . | ||
| TP321H | S32109 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | 4(C+N) min; 0.70 max | . . . | 0.1 | . . . | . . . | ||
| TP321H | S32654 | 0.02 | 2.0-4 | 0.03 | 0.005 | 0.5 | 24.0–25 | 21.0–23 | 7.0-8 | . . . | . . . | 0.45- 0.55 | 0.30-0.6 | . . . | ||
| TP321H | S33228 | 0.04 – 0.08 | 1 | 0.02 | 0.015 | 0.3 | 26.0–28 | 31.0–33 | . . . | . . . | 0.60- 1 | . . . | . . . | 0.05 – 0.1 | 0.025 | |
| TP321H | S34565 | 0.03 | 5.0-7 | 0.03 | 0.01 | 1 | 23.0–25 | 16.0–18 | 4.0-5 | . . . | 0.1 | 0.40- 0.6 | . . . | . . . | ||
| TP347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–13 | . . . | . . . | See Spec | . . . | . . . | . . . | ||
| TP347H | S34709 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–13 | . . . | . . . | See Spec | . . . | . . . | . . . | ||
| Alloy 20 | N08020 | 0.07 | 2 | 0.045 | 0.035 | 1 | 19.0–21 | 32.0–38 | 2.0–3 | . . . | See Spec | . . . | 3.0– 4 | . . . | . . . | . . . |
| Alloy 20 | N08367 | 0.03 | 2 | 0.04 | 0.03 | 1 | 20.0–22 | 23.5–25.5 | 6.0–7 | . . . | . . . | 0.18–0.25 | 0.75 | . . . | . . . | . . . |
| Alloy 20 | N08028 | 0.03 | 2.5 | 0.03 | 0.03 | 1 | 26.0–28 | 30.0–34 | 3.0–4 | 0.60–1.4 | ||||||
| Alloy 20 | N08029 | 0.02 | 2 | 0.025 | 0.015 | 0.6 | 26.0–28 | 30.0–34 | 4.0–5 | 0.6– 1.4 | ||||||
Heat Treatment Requirements
| Grade | UNS Designation | Finished | Heating Temperature | Cooling/testing Requirements |
| TP304H | S30409, S30415 | Cold | 1900 °F [1040 °C] | See Spec |
| TP304H | S30409, S30415 | Hot | 1900 °F [1040 °C] | See Spec |
| TP310H | S31009 | 1900 °F [1040 °C] | See Spec | |
| TP310H | S31035 | 2160—2280 °F [1180—1250 °C] | See Spec | |
| TP316H | S31609 | Cold | 1900 °F [1040 °C] | See Spec |
| TP316H | S31610 | Hot | 1900 °F [1040 °C] | See Spec |
| TP321H | S32109, S32615 | Cold | 2000 °F [1100 °C] | See Spec |
| TP321H | S32109, S32615 | Hot | 1925 °F [1050 °C] | See Spec |
| TP321H | S32654 | 2100 °F [1150 °C] | See Spec | |
| TP321H | S33228 | 2050—2160 °F [1120—1180 °C] | See Spec | |
| TP321H | S34565 | 2050—2140 °F [1120—1170 °C] | See Spec | |
| TP347H | S34709 | Cold | 2000 °F [1100 °C] | See Spec |
| TP347H | S34709 | Hot | 1925 °F [1050 °C] | See Spec |
| Alloy 20 | N08020 | 1700—1850 °F [925—1010 °C] | See Spec | |
| Alloy 20 | N08367 | 2025 °F [1110 °C] | See Spec | |
| Alloy 20 | N08028 | 2000 °F [1100 °C] | See Spec | |
| Alloy 20 | N08029 | 2000 °F [1100 °C] | See Spec |
Tensile Requirements
| Grade | UNS Designation | Tensile Strength, Min ksi [MPa] | Yield strength, min ksi [MPa] | other |
| TP304 | S30400 | 75 [515] | 30 [205] | |
| TP304L | S30403 | 70 [485] | 25 [170] | |
| TP304H | S30409 | 75 [515] | 30 [205] | |
| TP304H | S30415 | 87 [600] | 42 [290] | |
| TP310S | S31008 | 75 [515] | 30 [205] | |
| TP310H | S31009 | 75 [515] | 30 [205] | |
| TP310H | S31035 | 95 [655] | 45 [310] | |
| TP316 | S31600 | 75 [515] | 30 [205] | |
| TP316L | S31603 | 70 [485] | 25 [170] | |
| TP316H | S31609 | 75 [515] | 30 [205] | |
| TP316H | S31635 | 75 [515] | 30 [205] | |
| TP317 | S31700 | 75 [515] | 30 [205] | |
| TP317L | S31703 | 75 [515] | 30 [205] | |
| TP317L | S31725 | 75 [515] | 30 [205] | |
| TP317L | S31726 | 80 [550] | 35 [240] | |
| TP317L | S31727 | 80 [550] | 36 [245] | |
| TP317L | S31730 | 70 [480] | 25 [175] | |
| TP317L | S32053 | 93 [640] | 43 [295] | |
| TP321 | S32100 | 75 [515] | 30 [205] | welded & seamless |
| TP321 | S32100 | 75 [515] | 30 [205] | t = 0.375 in. |
| TP321 | S32100 | 70 [480] | 25 [170] | t > 0.375 in. |
| TP321H | S32109 | 75 [515] | 30 [205] | welded & seamless |
| TP321H | S32109 | 75 [515] | 30 [205] | t = 0.375 in. |
| TP321H | S32109 | 70 [480] | 25 [170] | t > 0.375 in. |
| TP321H | S32615 | 80 [550] | 32 [320] | |
| TP321H | S32654 | 109 [750] | 62 [430] | |
| TP321H | S33228 | 73 [500] | 27 [185] | |
| TP321H | S34565 | 115 [795] | 60 [415] | |
| TP347 | S34700 | 75 [515] | 30 [205] | |
| TP347H | S34709 | 75 [515] | 30 [205] | |
| Alloy 20 | N08020 | 80 [550] | 35 [240] | |
| Alloy 20 | N08028 | 73 [500] | 31 [214] | |
| Alloy 20 | N08029 | 73 [500] | 31 [214] | |
| Alloy 20 | N08367 | 100 [690] | 45 [310] | t = 0.187 in. |
| Alloy 20 | N08367 | 95 [655] | 45 [310] | t > 0.187 in. |
Elongation Requirements
| Elongation in 2 in., min, % | longitudinal | Transverse | Grain size | |
| Longitudinal | Transverse | |||
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | 7 or coarser |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | 6 or coarser |
| 35 | 25 | 35 | 25 | 7 or coarser |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | 7 or coarser |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | 7 or coarser |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 25 | … | 25 | … | 3 or finer |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | … |
| 35 | 25 | 35 | 25 | 7 or coarser |
| 35 | 25 | 35 | 25 | … |
| 40 | … | 40 | … | … |
| 40 | … | 40 | … | … |
| 30 | … | 30 | … | … |
| 30 | … | 30 | … | … |


Flattening Test
For material heat treated in a continuous furnace flattening tests shall be made on a sufficient number of pipes to constitute 5 % of the lot, but in no case less than 2 lengths of pipe.
Hydrostatic or Nondestructive Testing
Each pipe shall be subjected to the nondestructive electric test or the hydrostatic test
Markings
Markings will adhere to prescribed specifications in A999/A999M and shall include the NPS or OD and schedule number or average wall thickness, heat number, and NH (when hydrotesting is not performed) and ET (when eddy-current testing is performed) or UT (when ultrasonic testing is performed). The marking shall also include the manufacturer’s private identifying mark, the marking requirement of section 12.3 on Hydrostatic or Nondestructive Electric Test, if applicable, and whether seamless (SML), welded (WLD), or heavily cold-worked (HCW). For Grades TP304H, TP316H, TP321H & TP347H, the marking shall also include the heat number and heat-treatment lot identification.

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