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 | 20-40days |
| Packaging Details | In bundles or in wooden boxes. |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled |
| Application | Pressure Service |
| Standard | ASTM,GB,DIN,API,BS |
| Alloy or not | Is Alloy |
| Thickness | 2 - 120 mm |
| Section shape | Round,rectangular/ square/ round |
| Grade | STPG 370 |
| Special pipe | cold drawn |
| Secondary or not | Non-secondary |
| Outer diameter(round) | 17 - 660 mm |
| Length | 1-12m/as customers' requests |
| Usage | Pressure Service |
| Product name | Seamless Steel Pipe |
| Brand Name | TORICH |
| Model Number | JIS G3454 STPG 370 |
| Certification | ISO8001 ISO14001 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 | 20-40days | Packaging Details | In bundles or in wooden boxes. |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled | Application | Pressure Service |
| Standard | ASTM,GB,DIN,API,BS | Alloy or not | Is Alloy |
| Thickness | 2 - 120 mm | Section shape | Round,rectangular/ square/ round |
| Grade | STPG 370 | Special pipe | cold drawn |
| Secondary or not | Non-secondary | Outer diameter(round) | 17 - 660 mm |
| Length | 1-12m/as customers' requests | Usage | Pressure Service |
| Product name | Seamless Steel Pipe | Brand Name | TORICH |
| Model Number | JIS G3454 STPG 370 | Certification | ISO8001 ISO14001 TS16949 |
| Place of Origin | Zhejiang/China |
JIS G3454 STPG 370 pipes are manufactured from low-carbon carbon steel specifically formulated for pressure service. These seamless tubes offer excellent strength and toughness at elevated temperatures—up to 350 °C—and are produced via hot-rolling or cold-drawing processes to ensure uniform microstructure and minimal defects
Standard & Grade: JIS G3454 STPG 370
Outer Diameter: 13.7 – 914.4 mm (⅟₄ – 36 in)
Wall Thickness: 1.0 – 30 mm
Length: 1 – 12 m (or per customer requirement)
Manufacturing: Seamless (hot-rolled or cold-drawn)
Service Temperature: ≤ 350 °C
| Steel Grade | C (max %) | Si (max %) | Mn (%) | P (max %) | S (max %) |
|---|---|---|---|---|---|
| STPG 370 (JIS) | 0.25 | 0.35 | 0.30 – 0.90 | 0.040 | 0.040 |
| STPG 410 (JIS) | 0.30 | 0.35 | 0.30 – 1.00 | 0.040 | 0.040 |
| A106 Gr B (ASTM) | 0.30 | ≥ 0.10 | 0.29 – 1.06 | 0.035 | 0.035 |
| 20# (GB/T 8163) | 0.07 – 0.24 | 0.17 – 0.37 | 0.35 – 0.65 | 0.035 | 0.035 |
| E235 (EN 10305-1) | ≤ 0.17 | ≤ 0.35 | ≥ 0.04 | 0.025 | 0.025 |
STPG 370 & STPG 410 compositions as per JIS G3454
ASTM A106 Gr B chemistry from ASTM A106 specification
GB/T 8163 20# chemistry per Chinese standard
EN 10305-1 E235 typical composition for seamless pressure tubes
| Steel Grade | Tensile Strength (min MPa) | Yield Strength (min MPa) | Elongation (min %) |
|---|---|---|---|
| STPG 370 (JIS) | 373 | 216 | 25 |
| STPG 410 (JIS) | 412 | 245 | 20 |
| A106 Gr B (ASTM) | 415 | 240 | 20 |
| 20# (GB/T 8163) | 410 – 550 | 245 | 20 |
| E235 (EN 10305-1) | 315 | 205 | 20 |
JIS values from JIS G3454 mechanical tables
ASTM A106 Gr B properties per ASTM A106 Grade B
GB/T 8163 20# values per GB/T 8163 testing requirements
High Pressure Capability: Engineered for safe operation under high internal pressures.
Excellent Toughness: Good impact resistance and ductility at room temperature and elevated service temperatures.
Uniform Quality: Seamless manufacturing ensures consistent wall thickness and minimal defects.
Corrosion Resistance: Basic resistance to general corrosion; can be coated or lined for more aggressive environments.
JIS G3454: Carbon Steel Tubes for Pressure Service (Japan)
ASTM A106/A53: Seamless Carbon Steel Pipes for High-Temperature Service (USA)
GB/T 8163: Seamless Steel Tubes for Fluid Transportation (China)
EN 10305-1: Seamless Cold-Drawn Steel Tubes (Europe)
Carbon steel seamless pipes of the STPG 370 grade are widely employed in industries where durable, high-pressure tubing is essential. Typical applications include:
Oil & Gas: High-pressure conveyance lines, wellhead assemblies.
Power Generation: Boiler tubes, superheater assemblies.
Chemical Processing: Reactor feed lines, pressure vessels.
Petrochemical: High-temperature process piping, hydrocarbon transport.
Water & Steam: High-pressure water pipes, district heating systems.
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,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
10million-15million
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we... Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we...
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