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304 304L 316 316L Stainless Steel Round Pipe Sch 10S To XXS Hot Rolled Round Steel Tubing

304 304L 316 316L Stainless Steel Round Pipe Sch 10S To XXS Hot Rolled Round Steel Tubing

Model Number 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Certifications ISO/EN 10204 Type 3.1 / 3.2 available
Payment Terms T/T,D/P,D/A,Western Union,PayPal
Brand Baosteel,TISCO
Packaging Details Wooden pallets, wooden crates, woven bags, etc.
Certification EN 10204 Type 3.1 / 3.2 available
MOQ 100kg
Supply Ability 10000tons
Brand Name Baosteel,TISCO
Place of Origin MADE IN CHAINA
Price Negotiable (Request a Quote)
Country of Origin MADE IN CHAINA
Supply Capacity 10000tons
Delivery Time 15-25days
Minimum Order Quantity 100kg
Packaging Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Grade 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
Detailed Product Description

Hot rolled stainless steel round pipe is manufactured by heating a solid stainless steel billet to approximately 1200°C (2200°F) and then rolling it through a series of mills to form a hollow tube. This high-temperature forming process allows for the production of large diameter, thick wall pipes that cannot be efficiently manufactured through cold drawing methods.

Hot rolled seamless pipes are the backbone of heavy industrial piping systems, offering excellent mechanical properties, uniform wall thickness, and reliable performance in high-pressure, high-temperature, and corrosive environments. Unlike welded pipes, hot rolled seamless pipes have no longitudinal weld seam, eliminating the risk of weld-related failures in critical applications.

Key Benefits:
  • No weld seam — eliminates weak points in high-pressure service
  • Large diameters available (up to 600mm / 24″+)
  • Thick wall capability (up to 50mm+)
  • Excellent mechanical properties at elevated temperatures
  • Cost-effective for large diameter, heavy wall applications
  • Suitable for sour service and aggressive chemical environments
  • Available in multiple grades, including high-temperature and duplex
Product Specifications
ParameterDetails
Product NameHot Rolled Stainless Steel Round Pipe
StandardsASTM A312, A358, A213, A269, EN 10216-5, JIS G3459, GB/T 14976
ConstructionSeamless (Hot Rolled / Extruded)
Grades304, 304L, 304H, 316, 316L, 316H, 316Ti, 321, 321H, 310S, 317L, 347, 347H, 904L, Duplex 2205, Super Duplex 2507
Outer Diameter (OD)50mm – 600mm (2″ – 24″+); larger sizes available on request
Wall Thickness3mm – 50mm+ (Schedule 10S through XXS)
Length3m – 12m (10′ – 40′); random or fixed lengths
Surface FinishBlack (as-rolled), Pickled, Sandblasted, Turned
Manufacturing ProcessHot Rolling / Hot Extrusion
Available Grades & Standards
GradeStandardKey CharacteristicsTemperature RangeTypical Applications
304/304LASTM A312General-purpose, good corrosion resistance-196°C to 800°CChemical tanks, piping
304HASTM A312High carbon version, better high-temp strength500°C – 800°CHigh temperature service
316/316LASTM A312Molybdenum added, chloride resistance-196°C to 800°CMarine, chemical, coastal
316HASTM A312High carbon 316, high-temp creep resistance500°C – 800°CHigh temp chemical service
316TiASTM A213Titanium stabilized, high temperature-200°C to 800°CHeat exchangers
321/321HASTM A213Titanium stabilized, carbide precipitation resistant400°C – 900°CAircraft, exhaust, thermal
310SASTM A312High temperature up to 1100°CUp to 1100°CFurnace parts, radiant tubes
317LASTM A312Higher molybdenum than 316-196°C to 800°CPulp & paper, aggressive chemicals
347/347HASTM A213Niobium stabilized, high temp400°C – 900°CHigh temp, thermal cycling
904LASTM A312Super austenitic, severe corrosion-196°C to 400°CSulfuric acid, seawater
2205ASTM A790Duplex, high strength + SCC resistance-50°C to 300°COffshore, desalination
2507ASTM A790Super duplex, highest strength-50°C to 300°CSubsea, chemical tankers
Chemical Composition (%)
GradeCMnSiCrNiMoNOthers
304L≤0.030≤2.00≤1.0018.0-20.08.0-12.0
304H0.04-0.10≤2.00≤1.0018.0-20.08.0-11.0
316L≤0.030≤2.00≤1.0016.0-18.010.0-14.02.0-3.0
316H0.04-0.10≤2.00≤1.0016.0-18.010.0-14.02.0-3.0
310S≤0.08≤2.00≤1.5024.0-26.019.0-22.0
321≤0.08≤2.00≤1.0017.0-19.09.0-12.0Ti ≥5×C
2205≤0.030≤2.00≤1.0022.0-23.04.5-6.53.0-3.50.14-0.20
2507≤0.030≤1.20≤0.8024.0-26.06.0-8.03.0-5.00.24-0.32
Mechanical Properties
Hot Rolled + Annealed Condition (Typical)
GradeTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HB max)
304L≥485≥170≥40≤201
304H≥515≥205≥40≤201
316L≥485≥170≥40≤217
316H≥515≥205≥40≤217
310S≥515≥205≥40≤217
321≥515≥205≥35≤217
2205≥620≥450≥25≤293
2507≥730≥550≥20≤310
High Temperature Properties (316H – Typical)
Temperature (°C)Tensile Strength (MPa)Yield Strength (MPa)Creep Rupture (100,000h)
500450180120 MPa
60035014070 MPa
7002209035 MPa
8001405515 MPa
Physical Properties
Property304/304L316/316L310S2205
Density (g/cm³)7.937.987.987.80
Modulus of Elasticity (GPa)193193190190
Melting Point (°C)1400-14501370-14001400-14501350-1400
Thermal Conductivity at 100°C (W/m·K)16.216.314.219.0
Thermal Expansion (20-100°C) (10⁻⁶/°C)17.217.215.913.7
Electrical Resistivity (μΩ·cm)72747880
Dimensions & Schedule Chart
Standard Hot Rolled Pipe Sizes (ASTM A312)
NPS (inch)OD (mm)Schedule 10S (mm)Schedule 40S (mm)Schedule 80S (mm)Schedule 160 (mm)XXS (mm)
2″60.32.773.915.548.7411.07
3″88.93.055.497.6211.1315.24
4″114.33.056.028.5613.4917.12
6″168.33.407.1110.9718.2621.95
8″219.13.768.1812.7023.0122.23
10″273.14.199.2715.0928.5825.40
12″323.94.5710.3117.4833.3225.40
14″355.63.9611.1319.0535.71
16″406.44.1912.7021.4440.49
18″457.24.1914.2723.8345.24
20″508.04.7815.0926.1950.01
24″609.65.5417.4830.9659.54
Larger Diameters Available on Request
OD (mm)Typical Wall Thicknesses (mm)
711 (28″)8.0 – 50.0
813 (32″)8.0 – 50.0
914 (36″)10.0 – 60.0
1016 (40″)10.0 – 60.0
1219 (48″)12.0 – 60.0
Dimensional Tolerances (ASTM A312 – Hot Rolled)
ParameterTolerance
OD (≤100mm)±0.5mm
OD (100-200mm)±0.8mm
OD (200-300mm)±1.0mm
OD (300-500mm)±1.5mm
OD (>500mm)±2.0mm or ±0.5%
Wall Thickness±12.5%
Length (fixed)+5mm / -0mm
Straightness≤1.5mm per meter
Out-of-RoundnessWithin OD tolerance

 

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Product Tags: 316L Stainless Steel Round Pipe   316 Stainless Steel Round Pipe   Sch 10S Hot Rolled Round Steel Tubing  
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