Low Temperature Resistant ASTM A333 Gr 6 Seamless Steel Pipe For Cryogenic Equipment
Product Size & Specification
|
Parameter Category |
Specific Specifications |
|
Product Name |
Low Temperature Resistant ASTM A333 Gr 6 Seamless Steel Pipe for Cryogenic Equipment |
|
Product Standard |
ASTM A333 Grade 6, ASME B36.10M, fully compliant with American low-temperature pressure pipeline standards |
|
Product Type |
Hot Rolled Seamless Carbon Steel Pipe (Low Temperature Resistant) |
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Outer Diameter (OD) |
1/2" (21.3mm) ~ 36" (914.4mm), customized sizes available |
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Wall Thickness (WT) |
SCH 10S / SCH 40 / SCH 80 / SCH 160 / XXS, thickness range 2.11mm ~ 60mm |
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Length |
6m / 12m fixed length, random length, customized cutting length |
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Pipe End Treatment |
Plain end, beveled end, threaded end (customizable per customer demand) |
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Surface Treatment |
Black painting, anti-rust oil, varnish coating, customized surface protection |
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Tolerance Standard |
Strict ASTM standard tolerance, OD tolerance ±0.5%, wall thickness tolerance ±10% |
Chemical Composition
|
Chemical Element |
Content (%) |
Function Description |
|
Carbon (C) |
≤ 0.30 |
Ensure basic strength and weldability of steel pipe |
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Manganese (Mn) |
0.80-1.20 |
Improve steel toughness and low-temperature impact resistance |
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Phosphorus (P) |
≤ 0.035 |
Strict control to avoid low-temperature brittleness |
|
Sulfur (S) |
≤ 0.040 |
Reduce impurity content, ensure cryogenic stability |
|
Silicon (Si) |
0.15-0.35 |
Optimize steel microstructure, enhance corrosion resistance |
Mechanical Performance
|
Performance Item |
Standard Data |
Industry Advantage |
|
Tensile Strength |
415-585 MPa |
High structural strength, not easy to deform under high pressure |
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Yield Strength |
≥240 MPa |
Stable bearing capacity for long-term industrial operation |
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Elongation |
≥ 30% |
Good ductility, resistant to bending and impact damage |
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Minimum Service Temperature |
-45°C (-50 °F) |
Professional cryogenic grade, no brittle fracture at ultra-low temperature |
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Low Temperature Impact Test |
Qualified Charpy V-notch impact test at -45°C |
Strict cryogenic toughness certification, safe for extreme cold environments |
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Pressure Resistance |
Match SCH standard pressure grade |
Suitable for high-pressure cryogenic pipeline transmission |
Production Process & Quality Testing
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Process & Testing Link |
Detailed Process |
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Production Technology |
Hot piercing → cold rolling & cold drawing → precision sizing → heat treatment → finishing → inspection |
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Heat Treatment |
Normalized heat treatment, eliminate internal stress, optimize low-temperature toughness |
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Strict Testing Items |
Chemical composition analysis, mechanical property test, low-temperature impact test, hydraulic pressure test, ultrasonic nondestructive testing, dimensional tolerance inspection |
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Quality Certification |
ISO9001 quality system certified, fully compliant with ASTM & ASME international standards, third-party inspection acceptable |
Wide Application Fields
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Application Industry |
Specific Usage Scenarios |
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Cryogenic Equipment Industry |
Cryogenic storage tanks, cryogenic heat exchangers, low-temperature pressure vessel supporting pipelines |
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Oil & Gas Industry |
LNG natural gas transmission pipelines, low-temperature oil and gas gathering and transportation pipelines, polar oilfield equipment pipelines |
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Petrochemical & Chemical Industry |
Low-temperature chemical medium transmission, cryogenic reaction kettle connecting pipes, chemical refrigeration system pipelines |
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Power Industry |
Power plant low-temperature cooling systems, thermal power cryogenic auxiliary equipment pipelines |
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Industrial Refrigeration |
Large industrial refrigeration equipment, low-temperature cold storage pipeline systems |
Advantages
|
Advantage Dimension |
Detailed Description |
|
Ultra-Low Temperature Resistance |
Stable mechanical performance at -45°C low temperature, no brittle failure, far superior to ordinary carbon steel pipes in cold environment service life |
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High Purity & Uniform Texture |
Precision smelting process, low impurity content, uniform steel structure, excellent pressure and impact resistance |
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Excellent Weldability & Machinability |
Matches supporting fittings (ASTM A420 WPL6 fittings, ASTM A350 LF2 flanges), convenient for on-site cutting, welding and installation |
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Long Service Life |
Anti-oxidation and anti-corrosion performance, resistant to low-temperature medium erosion, service life up to 15 years in conventional cryogenic working conditions |
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Full Customization |
Support size, surface, length, packaging customization, meet diversified engineering and equipment matching needs |
Trade & Service Terms
|
Trade Item |
Service Details |
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MOQ |
1 Ton, small batch trial order acceptable |
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Price Term |
FOB, CIF, CFR, EXW, DDP optional |
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Payment Term |
T/T, L/C at sight, flexible payment for long-term cooperation |
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Delivery Time |
Standard stock goods 3-7 days, customized products 10-20 working days |
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Packaging |
Standard seaworthy export packaging (steel bundle waterproof wrapping wooden pallet), anti-rust and anti-damage for long-distance shipping |
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After-Sales Service |
24/7 online technical support, product quality problem replacement & refund, professional installation guidance |
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Support Documents |
Provide factory certificate, material test report (MTR), inspection report, bill of lading, commercial invoice and other full set of export documents |
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