Certificates

CERTIFICATION

Proven quality, certified trust

SeoRim Steel has held quality and environmental management system certifications since 2008,
and products from the Suncheon Plant are certified to Korean Industrial Standards (KS).

All Management System KS Certification Test Reports

Management System

ISO 9001

Quality Management

KS Q ISO 9001 : 2015 / ISO 9001 : 2015

Cert. No.

KEFCR-2754Q

Issuer

KEF Certification & Registration (KEF-CR)

Valid

2024.02.26 ~ 2027.02.25

KR EN

Management System

ISO 14001

Environmental Management

KS I ISO 14001 : 2015 / ISO 14001 : 2015

Cert. No.

KEFCR-2363E

Issuer

KEF Certification & Registration (KEF-CR)

Valid

2024.02.26 ~ 2027.02.25

KR EN

KS Certification

KS D 3506

Hot-dip galvanized steel sheet and strip

Galvanized steel · SGCC Z060–Z275

Cert. No.

No. 26-0155

Issuer

Korean Standards Association (KSA)

Next audit

2029.09.08

PDF

KS Certification

KS D 3520

Pre-painted hot-dip galvanized steel sheet and strip

Pre-painted steel · Class 2 · general

Cert. No.

No. 21-0403

Issuer

Korean Standards Association (KSA)

Next audit

2027.11.23

PDF

KS Certification

KS D 3862

Pre-painted hot-dip 55% Al-Zn alloy coated steel sheet and strip

Pre-painted steel · Class 2 · general

Cert. No.

No. 22-0265

Issuer

Korean Standards Association (KSA)

Next audit

2028.08.30

PDF

Test Reports

Non-combustible

Non-combustible steel sheet 0.5 mm

MOLIT Notice 2023-24 · non-combustibility and gas toxicity passed

Report No.

CT25-110560K

Test lab

Korea Conformity Laboratories (KCL)

Valid

2026.01.19 ~ 2029.01.18

PDF

Test Reports

Quasi-non-combustible

Quasi-non-combustible steel sheet 0.5T

MOLIT Notice 2023-24 · heat release and gas toxicity passed

Report No.

CT26-034697K

Test lab

Korea Conformity Laboratories (KCL)

Valid

2026.05.11 ~ 2029.05.10

PDF

Test Reports

ASTM B117

Pre-painted steel neutral salt spray test

No rust after 500 hours · English report

Report No.

SGS-M25-19756

Test lab

SGS Korea (KOLAS accredited)

Tested

2025.12.22

PDF

Scope of management system certification Manufacture of surface-treated steel (hot-dip galvanized strip, hot-dip 55% Al-Zn alloy coated strip, pre-painted hot-dip galvanized sheet and strip, non-combustible pre-painted hot-dip galvanized sheet and strip, pre-painted hot-dip 55% Al-Zn alloy coated sheet and strip), clad steel sheet, slitting and metal panels