317LN Seamless Stainless Steel Tubing 4-7 Inch | X2CrNiMoN18-12-4 Material | ASTM/EN Certified
Price:
Negotiable
MOQ:
500kgs
Delivery Time:
5--30 days
Brand:
ZHEHENG
Product Description
Product Overview
Zheheng Steel specializes in manufacturing high-quality 317LN austenitic seamless stainless steel tubing, available in sizes from 4 to 7 inches. Our products meet international standards including ASTM, EN, and other global specifications.
Technical Specifications
Material Standards
European Standard: 1.4434 | Chemical Composition: X2CrNiMoN18-12-4 | American Standard: 317LN
Available Sizes & Dimensions
| Specification | O/D x W/T (mm) | Weight (kg/m) |
|---|---|---|
| 3/8" x STD SCH40 | 17.1 x 2.31 | 0.85 |
| 1/2" x STD SCH40 | 21.3 x 2.77 | 1.27 |
| 3/4" x STD SCH40 | 26.7 x 2.87 | 1.68 |
| 1" x SCH 40 (STD) | 33.4 x 3.38 | 2.5 |
| 1" x SCH 80 (XS) | 33.4 x 4.55 | 3.23 |
| 1-1/2" x SCH 40 (STD) | 48.3 x 3.68 | 4.05 |
| 2" x SCH 40 (STD) | 60.3 x 3.91 | 5.44 |
| 2" x SCH 80 (XS) | 60.3 x 5.54 | 7.48 |
| 3" x SCH 40 (STD) | 88.9 x 5.49 | 11.29 |
| 4" x SCH 40 (STD) | 114.3 x 6.02 | 16.07 |
| 5" x SCH 40 (STD) | 141.3 x 6.55 | 21.76 |
| 8" x SCH 40 | 219.1 x 8.18 | 42.53 |
| 10" x SCH 40 | 273.0 x 9.27 | 60.29 |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Silicon (Si) | ≤ 0.75 |
| Manganese (Mn) | ≤ 2.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 11.0 - 15.0 |
| Molybdenum (Mo) | 3.0 - 4.0 |
| Nitrogen (N) | 0.1 - 0.22 |
Quality Assurance & Testing
- 100% PMI and Spectro Chemical Analysis for Raw Material
- 100% Dimension & Visual Examination
- Mechanical Properties Testing (Tension, Flaring, Hardness)
- 100% Hydrostatic Test or Non-Destructive Testing (ET/UT)
- Leak Tightness Testing
- Certifications: BV, PED, ISO9001
Applications
Our 317LN seamless stainless steel tubing is widely used in aerospace, electric energy, oil and gas, chemical processing, medical engineering, shipbuilding, transportation, machinery manufacturing, electronic technology, automotive industry, and environmental protection sectors.
Packaging & Delivery
Products are securely packaged in plastic wrapping and shipped via sea freight (FCL). Standard delivery time ranges from 15 to 60 days depending on quantity and specifications.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wenzhou Zheheng Steel Industry Co.,Ltd
Location
No999 .wenzhou airport wenzhou city,zhejiang china
Contact Person
BAIN SHEN