1. Material & Standards
-
Material: Carbon Steel
-
Grades: ASTM A106 Gr.B (High-Temperature Service), A53 Gr.B (General Use), API 5L X42 (Oil & Gas Pipeline)
-
Standards:
-
ASTM A106 / A53 / API 5L
-
ANSI/ASME B1.20.1 (NPT Thread Standard)
-
EN 10240 (Hot-Dip Galvanizing)
-
2. Key Parameters
-
Size Range:
-
OD: 1/2" to 24" (DN15 to DN600)
-
Wall Thickness: SCH40, SCH80, or custom
-
Length: 6m, 12m, or cut-to-length
-
-
Pressure Rating:
-
ASTM A106 Gr.B: ≤ 2,500 PSI (17.2 MPa)
-
API 5L X42: Up to 3,000 PSI (20.7 MPa)
-
-
Thread Type: NPT (Tapered Thread, ANSI/ASME B1.20.1)
-
Coating: Hot-Dip Galvanized (Zinc Coating ≥ 610g/m², Salt Spray Resistance > 1,000 hrs)
3. Features & Advantages
✔ High Strength – Suitable for high-pressure oil, gas, and water systems
✔ Corrosion Resistance – Hot-dip galvanized for outdoor/underground use
✔ Leak-Proof Threads – NPT taper ensures tight sealing
✔ Wide Applications – Petrochemical, fire protection, plumbing, and construction
4. Certifications & Testing
-
Mill Test Certificate (MTC)
-
Hydrostatic Test, Ultrasonic Testing (UT)
-
ISO 9001, API 5L PSL1
Frequently Asked Questions (FAQ)
1. Are you a manufacturer or trading company?
We are a manufacturer with our own factory located in Hebei, China.
2. What materials do you offer?
-
Stainless Steel: 304, 304L, 316, 316L, 321, etc.
-
Carbon Steel: ASTM A105, ASTM A350 LF2, Q235, Q345, etc.
-
Alloy Steel: ASTM A182 F11, F22, F5, etc.
3. Which standards do your products comply with?
ASME B16.5, ANSI, ASTM, DIN, JIS, EN, GB — with third-party inspection available.
4. Do you support OEM/ODM customization?
Yes, we provide custom machining, coating, marking, and packaging based on your drawings.
5. What is your minimum order quantity (MOQ)?
MOQ is typically 1 piece for standard items; customized parts may vary.
6. Do you provide free samples?
Yes, free samples for standard sizes are available; buyers cover shipping cost.
7. What is your delivery time?
-
In-stock: 3–5 working days
-
Bulk/custom orders: 10–25 working days
8. How do you ensure product quality?
We perform full inspection: raw material verification, dimensional checks, pressure/leak tests, and surface finish inspection. Third-party testing is available upon request.
