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Certifications & Quality Standards

At YourSteel, quality is our foundation. We maintain rigorous quality management systems and hold key international certifications to ensure our products meet global standards.

Our Certifications

ISO 9001:2015 Quality Management System

Our entire production process is certified under ISO 9001:2015, covering quality planning, process control, inspection, and continuous improvement.

CE Certification (PED 2014/68/EU)

Our pressure vessel steel products comply with EU Pressure Equipment Directive, allowing free circulation within the European Economic Area.

ASTM International Membership

We are an active member of ASTM International and our products conform to relevant ASTM standards (A240, A312, A36, A572, etc.).

SGS & BV Third-Party Inspection

We work with SGS, Bureau Veritas, and other leading third-party inspection agencies. Client-supervised inspection is available for every order.


Standards We Comply With

Standard BodyCommon Grades / Standards
ASTM (American)A240, A312, A213, A269, A36, A572, A53, A106
AISI (American Iron and Steel Institute)304, 304L, 316L, 321, 310S, 410, 430
EN (European)1.4301, 1.4404, 1.4541, 1.4845, S235JR, S355JR
JIS (Japanese)SUS304, SUS316L, SUS321, SUS310S, SS400
GB (Chinese)06Cr19Ni10, 022Cr17Ni12Mo2, Q235B, Q355B
DIN (German)1.4301, 1.4404, ST37, ST52

Quality Documents Provided with Every Shipment

  • ✅ Mill Test Certificate (MTC / MTR) — EN 10204 3.1 / 3.2
  • ✅ Chemical Composition Report
  • ✅ Mechanical Properties Report
  • ✅ Nondestructive Testing Report (if required)
  • ✅ Packing List & Commercial Invoice
  • ✅ Certificate of Origin (CO)
  • ✅ Third-Party Inspection Report (if requested)

Our Quality Promise

  1. 100% traceable material — Every batch can be traced back to the original steel mill
  2. Pre-shipment inspection — Full inspection before every shipment leaves our factory
  3. Free replacement — If any product fails to meet agreed specifications, we replace it at no cost
  4. Transparent communication — We tell you the truth about lead times, availability, and quality

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SteelPartner

SteelPartner Industry Co., Ltd.

Professional steel manufacturer and supplier based in China, providing high-quality stainless steel and carbon steel products to global markets.

Email: sales@steelpartner.com

Phone / WhatsApp: +86 138-XXXX-XXXX

Factory: Wuxi, Jiangsu, China

Products

  • Stainless Steel Sheet
  • Stainless Steel Pipe
  • Carbon Steel Sheet
  • Steel Profile (H-beam, I-beam)
  • Galvanized Steel
  • View All Products →

Company

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Why Choose Us

  • ✓ Direct factory price
  • ✓ MOQ from 1 ton
  • ✓ Fast delivery (7-15 days)
  • ✓ ISO 9001 & CE certified
  • ✓ Custom cutting & processing
  • ✓ 24/7 customer service

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