Steel Round Tube/Pipe_Round tube

Introduction

Details

PRODUCT LIST

◎ Steel Coil

· Hot Rolled Steel Coil

· Cold Rolled Steel Coil

· Galvanized Steel Coil

· Galvalume Steel Coil

· Prepainted Steel Coil /PPGI

· Anti-fingerprint Steel Coil

◎ Steel Plate / Sheet

· Cold plate

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◎ I / H Beam

· Standard

· European standard

◎ U Channel

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◎ Wire Rod

◎ Steel Tube / Pipe

· Round tube

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· Galvanized round pipe

· Galvanized square tube

◎ Steel Rebar

◎ Flat bar

◎ Round Bar

· National standard

· Japanese standard

◎ Angle bar

Steel Round Tube/Pipe

ERW welded tubes (±0.1mm wall tolerance) or seamless tubes (ASTM A106 GR.B) with full NDE inspection. Compliant with API 5L/EN 10219 for hydraulic, structural and process piping.

Return

Product details

Product Name: Precision Seamless & Welded Round Tubes
Overview
ERW welded tubes (±0.1mm wall tolerance) or seamless tubes (ASTM A106 GR.B) with full NDE inspection. Compliant with API 5L/EN 10219 for hydraulic, structural and process piping.

Technical Specifications

Parameter	Seamless Tube	ERW Tube
Standard	ASTM A106/EN 10216	ASTM A53/EN 10219
Diameter	⌀10-457mm	⌀21.3-762mm
Wall Thickness	SCH10-XXS (1.0-40mm)	1.0-16mm (±0.1mm)
Material Grade	20#/Q345B/P91	Q235B/S355JR/L245
Pressure Rating	≥480MPa (Seamless)	≥370MPa (Welded)
Certification	PED 2014/68/EU	ISO 9001
Surface Finish	Pickled/Sandblasted	Galvanized/Oiled

Key Advantages

1. Superior Pressure Integrity

Seamless: SCH160 withstands 42MPa
ERW: Passes 25MPa burst test (ASTM A53)
2. Precision Dimensional Control
ERW: OD tolerance ±0.15mm
Cold-drawn seamless: WT tolerance ±0.05mm
3. Corrosion Solutions
Marine: 3PE coating (FBE+adhesive+PE)
High-temp: 310S stainless (≤1100℃)
4. Fabrication Ready
Pre-threaded ends (API 5CT)
Laser-cut squareness ≤0.5°
5. Global Compliance
USA: ASME B36.10
EU: EN 10297
Japan: JIS G3444