STEEL 42CRM04 material
STEEL 42CRM04 material ASTM 4140 Steel 1.7225 - Dongguan OTAI Special Steel Co. ASTM 4140 Steel is a Alloy Structural Steel belong to ASTM A29/A29M Steel Grade standard. AISI 4140 used in Oil and Gas industry and Large Machinery Strutural. 4140 Steel China Supplier and factory Otai Special Steel Supply ASTM 4140 steel in Round bar, Plate,
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Inspection & Control
we have a comprehensive set of inspection and control tools for quality control, materials analysis, mechanical properties,ultrasonic testing, magnetic particle inspection, etc..

universal tester

Impact test

X-ray test

MTS 300kN Electromechanical Universal Testing Machine

Our Services
To ensure better cooperation,our factory provides the following services to the buyers:
1. OEM&ODM:As the special samples and drawings.
2. The small order is acceptable.
3. Professional services
4. Comprehensive and professional after-sale services
We are a supplier of bulletproof steel material & machinery products. We have extensive experience in the manufacture of bulletproof steel plate, other Bulletproof peripheral products. Welcome to sending drawings and inquiry.
Production Workflow
