ASTM A335 / ASME SA335P11 / P12
High-temperature power & refinery service
Alloy Steel Seamless Pipe
4 Standards 7 Steel GradesOD 16 – 219 mm · WT 2 – 20 mm · Length up to 12 m
ISO 9001ISO 14001API Q1CEPED 2014/68/EU
- In stock, ready to ship
- MTR included with every batch
- SGS, BV, TÜV inspection on request
2008
Established
500,000 MT
Annual capacity
80+
Countries served
100%
Hydro tested
Overview
MTR- Standards
- ASTM A335 / ASME SA335
- GB/T 5310
- EN 10216-2
- GB/T 9948
- Steel Grades
- P11P12P22P91P9215CrMoG12Cr1MoVG
- Size Range
- OD 16 – 219 mm · WT 2 – 20 mm · Length up to 12 m
- Surface finish
- Pickled & oiled, black, varnished or as specified
- End finish
- Plain ends or bevelled to order
- Marking
- Stenciled: standard, grade, heat no., size
- Inspection
- MTR + hydrostatic; third-party on request
Features
- Excellent creep strength at elevated temperature
- Chrome-molybdenum P-grades and Chinese alloy grades
- Oxidation and corrosion resistance
- Ultrasonic and hydrostatic testing available
- Full material certification with heat traceability
Applications
- Power station boilers and superheaters
- Refinery and petrochemical plants
- High-temperature pressure piping
- Heat exchangers and headers
Quality Assurance & Testing
- Mill test certificates with full chemical and mechanical data
- 100% hydrostatic testing on every pipe
- Ultrasonic and eddy-current testing as required
- Third-party inspection by SGS, BV or TÜV on request
- Full heat-number traceability from billet to finished pipe
Packaging & Delivery
- Bundled, coated or marked to your specification
- Seaworthy export packaging with steel end caps
- Container or break-bulk loading, FOB, CFR or CIF terms
- Standard 20–25 day mill lead time, stock items faster
- Complete export documentation (invoice, packing list, MTC, CO)
