SABS 1431 Grade 300wa Steel Plate

SABS 1431 Grade 300wa Steel Plate

300wa shipbuilding steel plate supplier in India

Table Of Content


300wa Plate Chemical Composition

Maximum chemical composition1)
Grade C Mn Si P S Nb V Nb + V Al Cu1) Ni2) Cr2) Mo2) Normal supply conditions
240WA 0.22 1.60 0.50 0.040 0.050 0.01 0.03 0.04 0.10 0.35 0.30 0.30 0.10 As rolled
240WC 0.22 1.60 0.50 0.040 0.050 0.01 0.03 0.04 0.10 0.35 0.30 0.30 0.10 As rolled
240WDD 0.22 1.60 0.50 0.040 0.040 0.10 0.10 0.10 0.10 0.35 0.30 0.30 0.10 Normalised
300WA 0.22 1.60 0.50 0.040 0.050 0.03 0.03 0.04 0.10 0.35 0.30 0.30 0.10 As rolled
300WC 0.22 1.60 0.50 0.040 0.050 0.03 0.03 0.04 0.10 0.35 0.30 0.30 0.10 As rolled
300WDD 0.22 1.60 0.50 0.040 0.040 0.10 0.10 0.10 0.10 0.35 0.30 0.30 0.10 Normalised
350WA 0.22 1.60 0.50 0.040 0.040 0.10 0.10 0.10 0.10 0.35 0.30 0.30 0.10 As rolled
350WC 0.22 1.60 0.50 0.040 0.040 0.10 0.10 0.10 0.10 0.35 0.30 0.30 0.10 As rolled < 16 mm thick  
Normalised3) 
> 16mm
350WDD 0.22 1.60 0.50 0.040 0.040 0.10 0.10 0.10 0.10 0.35 0.30 0.30 0.10 Normalised

 

TABLE 2    -    Typical chemical composition 

Chemical composition
Grade C1) Si Mn2) P 
(max)		 S3) 
(max)		 Al Nb V N
240WA 0.12 0.254) 1.0 0.020 0.030 0.035 - - -
240WC 0.12 0.254) 1.0 0.020 0.030 0.035 - - -
240WDD 0.12 0.25 1.0 0.020 0.030 0.035 - - -
300WA 0.18 0.354) 1.35 0.020 0.030 0.035 - - -
300WC 0.18 0.354) 1.35 0.020 0.030 0.035 - - -
300WDD 0.18 0.35 1.35 0.020 0.030 0.035 - - -
350WA 0.15 0.35 1.25 0.020 0.030 0.035 0.028 - -
350WC 0.15 0.35 1.25 0.020 0.030 0.035 0.028 - -
350WDD 0.15 0.35 1.25 0.020 0.030 0.035 0.028 - -

Grade 350wa Plate Mechanical properties

Mechanical properties as specified in SABS 1431 - 1987

Grade Tensile 
strength 
(MPa)		 Min yield strength (MPa) for thickness t (mm) Elongation % (min) on gauge length of Charpy V-notch impact test
3<t<16 16<t<40 40<t<63 63<t<80 50 mm 200 mm 5.65 So Avrage 
impact 
resistance J (min)		 Test 
Tempe- 
rature 
(oC)		 Thickness 
(max) 
(mm)
240WA 380/510 240 240 230 220 28 20 22 - - -
240WC 380/510 240 240 230 220 28 20 22 27 0 80
240WDD 380/510 240 240 230 220 28 20 22 27 -30 80
300WA 450/620 300 300 290 280 24 20 22 - - -
300WC 450/620 300 300 290 280 24 20 22 27 0 63
300WDD 450/620 300 300 290 280 24 20 22 27 -30 63
350WA 480/650 350 350 340 325 22 18 20 - - -
350WC 480/650 350 350 340 325 22 18 20 27 0 80
350WDD 480/650 350 350 340 325 22 18 20 27 -30 80

SABS 1431 Gr 300wa Equivalent

American (USA) Standards

Europe (EN) Standards

Japan Standards

South Africa Standards

Yield Stress

Tensile Strength
Lower Strength (for workability and weldability)
ASTM A283 gr. C EN 10025 S235JR
DIN 17100 RSt 37-2
BS 4360: gr. 40 A/B/C 		JIS G3101 SS 330 SABS 1431 gr. 240 W A/C 235 MPa min 340-470Mpa
Normal Strength (for general use)
ASTM A36 EN 10025 S275 JR
DIN 17100 RSt 44-2
BS 4360: gr. 43 A/B/C		 JIS G3101 SS400 SABS 1431 gr. 300 W A/C 275 MPa min 430-550 MPa
Higher Strength Microalloyed Steel Plate
ASTM A572 gr. 50 EN 10025 S355JR
DIN 17100 RRSt 52-2
BS 4360: gr. 50 A/B/C 		JIS G3101 SS490 SABS 1431 gr. 350 W A/C 355 MPa min 490-630 MPa
 Weathering Steel Plate (for improved corrosion resistance)
     

 Other Standards

    
     

    COR-TEN/ A

  345 MPa min  480 MPa min

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