316H Stainless Steel Seamless Tube
Grade: 316H (UNS S31609)
Type: Seamless
Size Range: 1/8" OD to 5" OD
Wall Thickness: 0.5mm to 8.0mm
Test: UT, SGS testing, TUV etc
Package: Standard worthy packing
Quality control: MTC Test Certificate is supplied with shipment
BAOHUI STEEL manufactures 316H Stainless Steel Seamless Tube, a high-carbon variant of the standard 316 grade specifically designed for high-temperature applications. The elevated carbon content (0.04-0.10%) provides enhanced creep strength at temperatures above 525°C, making it particularly suitable for pressure-containing parts in high-temperature service. Our seamless tubes ensure optimal performance in demanding thermal applications.
Key Features
High-Temperature Strength
Improved creep resistance for elevated temperature service
Corrosion Resistance
Maintains good corrosion resistance of 316 grade
Carbon Control
Optimized carbon content for high-temperature performance
Seamless Construction
Homogeneous structure ideal for pressure applications
Code Compliance
Meets ASME Boiler and Pressure Vessel Code requirements
Specifications & Standards
ASTM A312
Seamless, welded, and heavily cold-worked austenitic stainless steel pipes.
ASTM A999
General requirements for alloy/stainless steel pipes.
ASME SA312
Equivalent to ASTM A312 for pressure applications.
EN 10216-5
European standard for seamless stainless steel tubes for pressure purposes.
Specifications
|
Parameter |
Specification |
|
Standard |
ASTM A213, ASTM A269 |
|
Grade |
316H (UNS S31609) |
|
Type |
Seamless |
|
Size Range |
1/8" OD to 5" OD |
|
Wall Thickness |
0.5mm to 8.0mm |
|
Length |
Custom cut lengths available |
Chemical Composition of 316H Stainless Steel Seamless Tube
|
Element |
Requirements |
Typical Value |
|
Carbon (C) |
0.04-0.10 |
0.06 |
|
Manganese (Mn) |
≤ 2.00 |
1.5 |
|
Phosphorus (P) |
≤ 0.045 |
0.025 |
|
Sulfur (S) |
≤ 0.030 |
0.015 |
|
Silicon (Si) |
≤ 1.00 |
0.75 |
|
Chromium (Cr) |
16.0-18.0 |
17.2 |
|
Nickel (Ni) |
11.0-14.0 |
12.5 |
|
Molybdenum (Mo) |
2.00-3.00 |
2.5 |
|
Iron (Fe) |
Balance |
Balance |
Mechanical Properties of 316H Stainless Steel Seamless Tube
|
Property |
Requirements |
Typical Value |
|
Tensile Strength |
≥ 515 MPa |
620 MPa |
|
Yield Strength |
≥ 205 MPa |
310 MPa |
|
Elongation |
≥ 35% |
50% |
|
Hardness (Brinell) |
≤ 217 HB |
180 HB |
Equivalent Grades
|
Standard |
UNS |
EN (DIN) |
JIS |
|
Grade |
S31609 |
1.4913 |
SUS 316H |
Comparison with Other 316 Stainless Steels
|
Property |
316 |
316L |
316H |
|
Carbon Content |
≤ 0.08% |
≤ 0.03% |
0.04% - 0.10% |
|
High-Temperature Strength |
Moderate |
Lower |
High |
|
Corrosion Resistance |
Excellent |
Excellent No intergranular corrosion after welding |
Excellent But requires post-weld treatment |
|
Weldability |
Good |
Excellent |
Good Requires solution treatment |
Quality Assurance
- Mill Test Certificate EN 10204 3.1
- Hydrostatic or Eddy Current Testing
- Ultrasonic Testing Available
- Grain Size Verification
- Solution Annealing Treatment
- Full Traceability
Applications
Power Generation:
Boiler tubes, superheaters, steam pipelines.
Chemical Processing:
High-temperature reactors, heat exchangers.
Oil & Gas:
Refinery tubing, furnace parts.
Pharmaceutical:
Autoclave components requiring high-temperature stability.
FAQ
Q: What is your standard packaging?
A: We use export-standard packaging: plastic end caps, anti-rust paper wrapping, and secure bundling in woven bags or wooden cases. Custom packaging is available.
Q: What payment terms do you accept?
A: We accept T/T (30% deposit, 70% against B/L copy), L/C at sight, and flexible payment plans for large orders.
Q: What are your shipping options?
A: We arrange sea freight (FCL/LCL), air freight, or rail transport with full tracking provided. Delivery time depends on the destination.
Q: How do you ensure 316H Stainless Steel Seamless Tube quality?
A: All pipes come with EN 10204 3.1 certification. We welcome third-party inspections (SGS, BV, etc.) and perform rigorous in-house testing.
Q: What is your quality guarantee policy?
A: We respond to quality claims within 24 hours and provide solutions, including replacement or compensation if the issue is verified.
Request a Quote
Contact us for 316H Stainless Steel Seamless Tube pricing, specifications, and technical support. Provide your requirements: dimensions (OD, WT, length), quantity, and application details.
WhatsApp: 8613468954786
Email:baohui@bhsteelpipe.com
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