EN 10217 P235GH ERW Steel Pipe – High Temperature Pressure Vessel Tube for Boiler & Heat Exchanger

Why Partner with Womic Steel?

One-Stop Shop: Complete range from API 5L ERW pipes to matching OEM pipe fittings (Elbows, Tees, Reducers, Flanges, Caps) in compatible material grades, including carbon steel, alloy steel, and stainless steel.

Technical Compliance: Full Mill Test Certificates (EN 10204 Type 2.2, 3.1, or 3.2) provided with every shipment, detailing exact chemical composition, mechanical test results, and non-destructive examination reports.

Value-Added Services: End beveling (30°-35°), threading & coupling, plastic caps installation, and anti-corrosion coating (FBE, 3LPE, 3LPP, Epoxy, Galvanizing) available in-house or through qualified partner facilities.

Competitive Logistics: Strategic partnership with global freight forwarders ensures optimized container loading (maximizing quantity per container) and cost-effective worldwide shipping with reliable transit times.

Inventory & Availability: Extensive stock of standard API 5L X52 sizes (2"-24" OD, Schedule 10-80) ensures short lead times and rapid response to urgent project requirements. Custom sizes produced on demand with typical lead time of 30-45 days.

Sour Service Capability: Full capability to supply PSL2 pipes with HIC and SSC testing per NACE standards for sour gas applications. Hardness controlled to ≤ 248 HV10 / ≤ 22 HRC.

Choose Womic Steel Group as your reliable partner for high-quality API 5L X52 ERW Steel Pipes and unbeatable delivery performance. Welcome to inquire!

Website: www.womicsteel.com

Email: sales@womicsteel.com

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Frequently Asked Questions (FAQ)

Q: What is the difference between EN 10217 P235GH and EN 10216 P235GH?

A: EN 10217 covers welded steel tubes (ERW/HFW process), while EN 10216 covers seamless steel tubes. Both standards specify P235GH grade with similar chemical and mechanical requirements. EN 10217 (welded) is generally more cost-effective and available in longer lengths. EN 10216 (seamless) is required for higher pressure applications or where a weld seam is not permitted by design code. For most boiler and pressure vessel applications, both are acceptable; however, seamless is often preferred for critical high-pressure service.

Q: What is the maximum operating temperature for P235GH?

A: P235GH is suitable for continuous operation at temperatures up to 400°C. For temperatures between 400°C and 500°C, P265GH or 16Mo3 (alloy steel) is recommended. For temperatures above 500°C, higher alloy grades like 13CrMo4-5 or 10CrMo9-10 should be considered. Always consult applicable design codes (EN 13445, ASME Section I, etc.) for specific temperature limits based on wall thickness and service conditions.

Q: Can P235GH be used for ASME Code applications?

A: P235GH is not directly listed in ASME Section II (ASME material specifications). However, it is widely accepted for international projects under EN standards. For ASME Code stamping, equivalent materials include SA-106 GR.B (seamless) or SA-53 GR.B (welded) with comparable properties but different design allowables. For projects requiring ASME materials, we can supply SA-106 GR.B or SA-178 GR.A as alternatives. Please provide your project specification for proper material selection.

Q: What is the difference between P235GH and P265GH?

A: P235GH has minimum yield strength of 235 MPa, while P265GH has 265 MPa (higher strength). P235GH offers better formability and weldability due to lower carbon content (0.16% max vs 0.20% max). P235GH is typically used for moderate temperature/pressure applications (boiler drums, heat exchangers). P265GH is used for higher pressure applications where additional strength is required. Both have similar elevated temperature limits (400°C).

Q: What non-destructive testing (NDT) is required for EN 10217 P235GH?

A: For TC1 (Test Category 1): Visual inspection and hydrostatic testing required. For TC2 (Test Category 2): Visual inspection, hydrostatic testing, and 100% non-destructive testing (UT or ET) of the weld seam. For critical pressure applications, TC2 is typically specified. Womic Steel can supply both TC1 and TC2 levels. For EN 10204 3.2 certification, TC2 with third-party witnessing is typically required.

Q: What is the maximum length available for EN 10217 P235GH ERW pipe?

A: We supply standard fixed lengths of 6 meters and 12 meters (approximately 20 and 40 feet) for diameters up to 610mm (24"). For smaller diameters (below 168mm / 6"), custom lengths up to 18 meters (60 feet) are available upon request. For boiler and heat exchanger applications requiring specific U-bend lengths, we can coordinate with partner bending facilities. Please provide your specific length requirements.

Q: Can you provide third-party inspection for EN 10217 P235GH pipes?

A: Yes. We welcome and facilitate inspections by DNV, BV, SGS, TÜV, ABS, LR, or any client-nominated representative during production (witnessing hydrotest, UT/ET, dimensional inspection) and prior to shipment. 3.2 inspection certificates validated by authorized third-party bodies are routinely supplied upon request. For European pressure equipment directive (PED) compliance, we provide CE marking and Declaration of Performance (DoP).

Q: What is the typical lead time for EN 10217 P235GH ERW pipes?

A: Standard lead time for stock sizes (common diameters and wall thicknesses) is approximately 15-25 days. For non-stock or custom sizes, lead time is approximately 30-45 days from order confirmation. For TC2 with 100% NDT, add 5-10 days. For third-party inspection (3.2 certification), add 10-15 days for scheduling and documentation. Rush orders (15-20 days) may be available for smaller quantities of standard sizes. Please contact us for current lead times.

Q: What certifications and documentation do you provide with P235GH pipe shipments?

A: Each shipment includes comprehensive documentation: Mill Test Certificate per EN 10204 Type 3.1 (or Type 2.2 / 3.2 upon request) including chemical composition, tensile properties, elevated temperature properties, and impact test results; Hydrostatic Test Report; NDT Report (UT/ET) for TC2 orders; Dimensional Inspection Report; CE Marking and Declaration of Performance (DoP) for European market; Packing List; Commercial Invoice; Bill of Lading; and Certificate of Origin (if required).

Q: Do you provide cut-to-length and U-bend services for P235GH tubes?

A: Yes. We offer precision cutting to exact customer-specified lengths with tight tolerances (typically ±3mm) and clean, burr-free ends. For heat exchanger applications, we can coordinate with partner bending facilities for U-bend tubes (cold bending) with controlled bend radii and minimal ovality. U-bend tubes can be supplied with or without annealing after bending. Please provide your bend drawings for custom requirements.

Q: What is the difference between normalized (+N) and as-welded delivery condition?

A: Normalized (+N) heat treatment (890-930°C) produces a uniform ferrite-pearlite microstructure, improves ductility and toughness, and relieves residual welding stresses. As-welded condition has higher residual stresses and may have less uniform grain structure. For pressure applications, normalized is typically required per EN 10217-2 to ensure optimal properties for elevated temperature service. Womic Steel supplies P235GH in normalized condition as standard for pressure applications.