CHANNEL2018-11-21T23:21:22+09:00

일반구조용
KS D3503 SS235 . SS275 . SS315 . SS410 . SS450 . SS550 .
(OLD) KS D3503 SS400 . SS490 . SS540 .
JIS G3101 SS400 . SS490 . SS540 .
ASTM A36
용접구조용
KS D3515 SM275A . SM275B . SM275C . SM275D . SM355A . SM355B . SM355C . SM355D . SM420A . SM420B . SM420C . SM420D . SM460B . SM460C
(OLD) KS D3515 SM400A . SM400B . SM400C . SM490A . SM490B . SM490C . SM490YA . SM490YB .SM520B . SM520C . SM570
JIS G3106 SM400A . SM400B . SM400C . SM490A . SM490B . SM490C . SM490YA . SM490YB .
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