GB/T 363920# / 45#
High-accuracy components
Precision & Hydraulic Tubes
3 Standards 6 Steel GradesOD 4 – 100 mm · WT 0.5 – 12 mm · Cold-drawn, honed or skived
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
- GB/T 3639
- DIN 2391
- ASTM A519
- Steel Grades
- 20#45#16MnSt52E2354130
- Size Range
- OD 4 – 100 mm · WT 0.5 – 12 mm · Cold-drawn, honed or skived
- 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
- Tight OD/ID tolerance
- Smooth surface finish
- Cold-drawn, honed and skived options
- Straightness guaranteed
- Ideal for hydraulic cylinders
Applications
- Hydraulic cylinders
- Pneumatic equipment
- Automotive parts
- Precision machinery
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)
