Meritus Technology | Seamless Steel Pipes ASTM A106 Supplier in China

Product Overview

High-quality seamless carbon steel pipes meeting international standards for oil & gas, petrochemical, and power generation applications. Meritus Technology provides comprehensive industrial solutions, backed by two decades of team experience in China across projects, sourcing and quality. Our Seamless Steel Pipes ASTM A106 represents the highest quality in pipes & tubes technology, engineered for demanding applications and backed by worldwide support. Each unit is manufactured to international standards with complete material traceability and certification, ensuring reliable performance in the most challenging industrial environments.

Certifications & Standards

ASTM A106

API 5L PSL2

ISO 9001

CE

PED 2014/68/EU

NACE MR0175/ISO 15156

ISO 9001:2015

CE Marking

Industries Served

Oil & Gas

Petrochemical

Power Generation

Chemical Processing

Key Advantages

Engineered to international standards

Comprehensive quality assurance

Professional technical support

Global supply chain capabilities

100% ultrasonic tested for defect-free quality

Superior dimensional accuracy and surface finish

Full material traceability with mill test certificates

Various wall thicknesses for different pressure ratings

Multiple end preparations available

Heat treatment for enhanced properties

Technical Specifications

Material:Carbon Steel ASTM A106 Grade B

Operating Temp:Up to 427°C (800°F)

Pressure:ASME B16.5 Classes 150-2500 (pressure-temperature ratings per material group)

Tensile Strength:415 MPa minimum

Yield Strength:240 MPa minimum

Elongation:21% minimum

Hardness:187 HB maximum

Hydrostatic Test:100% factory tested

Chemical Composition:C: 0.25-0.30%, Mn: 0.29-1.06%, P: 0.035% max, S: 0.035% max

Mechanical Properties:Yield Strength: 240 MPa min, Tensile Strength: 415 MPa min

Dimensional Tolerance:OD: ±1.0% per ASTM A530, Wall Thickness: -12.5% per ASTM A530/A530M, Length: +6mm/-0mm

Surface Finish:Ra 6.3 μm max (internal), Ra 12.5 μm max (external)

Testing Requirements:Hydrostatic test per ASTM A106, UT testing per ASTM E213/E273, PMI verification, dimensional inspection

Allowable Stress:138 MPa at 38°C, 130 MPa at 93°C, 118 MPa at 149°C, 103 MPa at 204°C

Thermal Properties:Thermal Conductivity: 51.9 W/m·K, Specific Heat: 0.486 kJ/kg·K

Corrosion Rate:0.2-0.5 mm/year (typical service), coating recommended for severe environments

Welding Considerations:P-Number: 1, Group 1, Preheat not required <25mm thickness, PWHT required >19mm

Standard:International standards compliant

Wall Thickness:Schedule 40 to 160 (2.5mm to 50mm)

Size Range:1/2" to 48" nominal bore

Length Standard:6m to 12m (random or fixed)

End Finish:Plain end, beveled end, threaded

Ultrasonic Test:Per ASTM A388 standards

Corrosion Resistance:Standard carbon steel, coating available for enhanced protection

Performance Data

Efficiency Rating95%

Reliability Index98%

Service Life25+ years

Warranty:24 months standard warranty

Service Life:25+ years typical service life

Maintenance:Annual inspection recommended, quarterly for critical applications

Industrial Applications

High-pressure steam lines in power plants

Oil and gas transmission pipelines

Petrochemical process piping systems

Refinery process lines and utilities

Chemical transport and distribution

Water treatment plant piping

HVAC and building services

Fire protection systems

Accessories & Options

Pipe fittings (elbows, tees, reducers, couplings)

Flanges (ANSI, DIN, JIS standards)

Pipe supports and hangers

Insulation materials and cladding

Welding consumables and procedures

Testing and inspection equipment

Installation Guide

Preparation Requirements

Site survey and preparation, foundation design, utility connections planning, and permit acquisition for Seamless Steel Pipes ASTM A106

Installation Steps

1Site preparation and material verification
2Foundation work and anchor installation
3Equipment positioning and alignment
4Utility connections (electrical, pneumatic, hydraulic)
5System commissioning and testing
6Performance verification and documentation
7Operator training and handover

Required Tools & Equipment

Professional installation tools, lifting equipment, welding facilities, testing instruments, and calibration equipment

Safety Requirements

Comprehensive safety protocols including PPE requirements, confined space procedures, electrical safety, and hot work permits

Professional installation by certified technicians is recommended. Certified technicians, approved procedures, factory supervision, regulatory inspections, and final certification

Support Services

Technical Support

24/7 global technical support hotline with experienced industrial engineers

Field Service

Worldwide service network with certified technicians and rapid response capabilities

Training Programs

Comprehensive operator training and certification programs available globally

Documentation

Complete technical documentation including installation guides, O&M manuals, and maintenance schedules

Contact Support

For emergency support outside business hours, use our 24/7 technical hotline. Response times may vary based on your service agreement level.

Seamless Steel Pipes ASTM A106