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스틸스크랩 생산제품
형강류 생산/판매제품
Grating
I-Bar
Serrated I-Bar
Flat Bar
Serrated Flat Bar
Round Bar
Square Bar
Channel
Angle
Steel Bar
H-Beam
Welded H-Beam
I-Beam
국가별 스틸스크랩 규격
Steel Bar
철근
Tensile and Bend Test Requirements
기호 Symbol 인장시험
Tensile Test		 굽힘시험
Bend Test
항복점 (항복강도) Yield point or Yield Strength kgf/㎟ (N/㎟) 인장강도 Tensile Strength kgf/㎟ (N/㎟) 연신율
Elongation		 굽힘각도 Bending Angle 굽힘반지름 Inside Radius of Bending
시험편
Test Piece		 Min.%
SR 24 24min. (235)mm 39-53 (382-520) No. 2 28 180° .
 1.5d
No. 3 24
SR 30 30min. (294)mm 45-61 (441-598) No.2 18 180° D16 & under 1.5d
No.3 20 Over D16 2d
SD 30A 30min. (294)mm 45-61 (441-598) No.2 or equivalent 16 180° D16 & under 1.5d
No.3 or equivalent 18 Over D16 2d
SD 30B 30-40 (294-392) 45min. (441)min. No.2 or equivalent 16 180° D16 & under 1.5d
No.3 or equivalent 18 Over D16 2d
SD 35 35-45 (343-441) 50min. (490)min. No.2 or equivalent 18 180° D16 & under 1.5d
No.3 or equivalent 20 Over D16 D41 incl. D51 2.0d 2.5d
SD 40 40-52 (392-510) 57min. (559)min. No.2 or equivalent 16 180° .
 2.5d
No.3 or equivalent 18
SD 50 50-64 (490-628) 63min. (618)min. No.2 or equivalent 12 180° D25 & under 2.5d
No.3 or equivalent 14 Over D25 3d
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