TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 20-30days upon products |
| Packaging Details | In bundles or in wooden boxes. |
| Application | Low Temperature |
| Outer diameter(round) | 30 - 426mm |
| Thickness | 2 - 50 mm |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn |
| Grade | Gr1 Gr3 Gr6 Gr7 Gr8 |
| Section shape | Round,Rectangular |
| Special pipe | Thick Wall Pipe,API Pipe,Precision steel tube,precision seamless pipe,cold drawn |
| Length | 6M or as requirement,As customer's require,8m,5.8m,2.5-8m |
| Brand Name | TORICH |
| Model Number | ASTM A334 Gr6 |
| Certification | ISO9001 ISO 14001 TS16949 |
| Place of Origin | Zhejiang/China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 20-30days upon products | Packaging Details | In bundles or in wooden boxes. |
| Application | Low Temperature | Outer diameter(round) | 30 - 426mm |
| Thickness | 2 - 50 mm | Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn |
| Grade | Gr1 Gr3 Gr6 Gr7 Gr8 | Section shape | Round,Rectangular |
| Special pipe | Thick Wall Pipe,API Pipe,Precision steel tube,precision seamless pipe,cold drawn | Length | 6M or as requirement,As customer's require,8m,5.8m,2.5-8m |
| Brand Name | TORICH | Model Number | ASTM A334 Gr6 |
| Certification | ISO9001 ISO 14001 TS16949 | Place of Origin | Zhejiang/China |
| High Light | Low Temperature Performance Carbon Steel Seamless Tubes ，ASTM A334 Gr6 Precision Steel Tube ，Cold Drawn Medium Carbon Steel Pipe | ||
ASTM A334 Grade 6 carbon steel seamless tubes are engineered low-temperature service pipes manufactured from medium carbon steel with controlled chemistry and mechanical properties to ensure reliability in sub-zero environments. They are available as seamless and welded tubes designed for pressure, fluid, and structural duties where high toughness and impact resistance at low temperatures are essential.
Standard: ASTM A334/A334M – Standard Specification for Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service
Grade: 6
Form: Seamless (hot finished or cold drawn)
Diameter & Wall: Typically 1/2″ to 24″ OD with multiple schedule thickness options (Schedule 10 to 160 and others)
Length: Standard random lengths or custom lengths up to approximately 27 m
Low-Temperature Performance: Designed for service in sub-zero and cryogenic environments without loss of toughness
Mechanical Strength: Balanced tensile strength, yield strength, and ductility suitable for pressure and thermal cycling
Impact Toughness: Mandatory notch-bar impact testing to ensure resistance to brittle fracture at low temperatures
Weldability & Fabrication: Good weldability and formability with low risk of cracking
ASTM A334 Gr 6 tubes maintain structural integrity and toughness in freezing environments such as LNG systems, cryogenic plants, and cold-region pipelines.
Manufactured strictly in accordance with ASTM A334/A334M requirements and commonly supplied with additional testing and inspection certificates.
Widely used in power generation, petrochemical processing, refineries, and heat-exchange systems where low-temperature reliability is critical.
Grade 6 offers a proven balance of strength, ductility, and impact resistance, reducing operational risk and extending service life.
| Grade | C (max) | Si (min) | Mn | P (max) | S (max) |
|---|---|---|---|---|---|
| ASTM A334 Gr 1 | ≤ 0.30 | ≥ 0.10 | 0.40 – 1.06 | ≤ 0.025 | ≤ 0.025 |
| ASTM A334 Gr 3 | ≤ 0.19 | ≥ 0.10 | 0.31 – 0.64 | ≤ 0.050 | ≤ 0.050 |
| ASTM A334 Gr 6 | ≤ 0.30 | ≥ 0.10 | 0.29 – 1.06 | ≤ 0.025 | ≤ 0.025 |
| ASTM A334 Gr 7 | ≤ 0.19 | ≥ 0.13 | ≤ 0.90 | ≤ 0.040 | ≤ 0.050 |
| ASTM A334 Gr 8 | ≤ 0.18 | ≥ 0.13 | ≤ 0.90 | ≤ 0.045 | ≤ 0.045 |
| Grade | Tensile Strength (MPa, min) | Yield Strength (MPa, min) | Elongation (%) |
|---|---|---|---|
| ASTM A334 Gr 1 | ≥ 380 | ≥ 205 | ≥ 30 |
| ASTM A334 Gr 3 | ≥ 450 | ≥ 240 | ≈ 30 |
| ASTM A334 Gr 6 | ≥ 415 | ≥ 240 | ≥ 30 |
| ASTM A334 Gr 7 | ≥ 450 | ≥ 240 | ≈ 30 |
| ASTM A334 Gr 8 | ≥ 520 | ≥ 240 | ≈ 30 |
ASTM A334/A334M – Carbon and alloy steel tubes for low-temperature service
ASME SA334 – Equivalent specification under ASME Boiler and Pressure Vessel Code
ASTM A370 – Mechanical testing
ASTM E23 – Charpy impact testing
ASTM A334 Grade 6 seamless tubes are used in applications requiring dependable performance at low temperatures:
Cryogenic fluid transfer pipelines
Low-temperature gathering and transmission lines
Process piping in cold climates
Heat exchangers and condensers
Pressure piping and vessels
Cryogenic power generation systems
Refrigeration and cooling circuits
Structural and piping components exposed to low-temperature environments
Chemical processing systems operating under cold conditions
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,
it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
A Professional Steel Pipes Materials Inventor, Manufacturer And Solution Provider TORICH INTERNATIONAL LIMITED is a professional inventor, manufacturer, and solution provider of steel pipe materials, integrating production and international trade, specializing in various precision steel pipes. Esta... A Professional Steel Pipes Materials Inventor, Manufacturer And Solution Provider TORICH INTERNATIONAL LIMITED is a professional inventor, manufacturer, and solution provider of steel pipe materials, integrating production and international trade, specializing in various precision steel pipes. Esta...
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