STEEL WORLD CO., LTD

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STEEL WORLD CO., LTD WILL CONTINUOUSLY DO ALL IT S BEST IN ORDER TO PROVIDE YOU WITH MOST
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Available Materials for Flange & Forgings(Jis,DIN,ASTM,etc,available)

Chemical & Mechanical Composition for ASTM

GRADE UNS NO. COMPOSITION Tensile strength Yield strength Brinell
C Mn P S Si Ni Cr Mo N V Min, ksi(Mpa) Min, ksi(Mpa) Hardness
LOW ALLOY STEELS
F1 K12822 0.28 0.06-0.90 0.045 0.045 0.15-0.35 0.44-0.65 70(485) 40(485) 143-192
F5 K41545 0.15 0.30-0.60 0.03 0.03 0.5 0.5 40.-6.0 0.44-0.65 70(485) 40(275) 143-217
F9 K90941 0.15 0.30-.60 0.03 0.03 0.50-1.10 8.0-10.0 0.90-1.10 85(585) 55(380) 179-217
F91 K90901 0.08-0.12 0.30-0.60 0.02 0.01 0.20-0.50 0.4 8.50-9.50 0.30-0.60 85(585) 60(415) 248max
F92 0.07-0.13 0.30-0.60 0.02 0.01 0.5 0.4 8.50-9.50 0.30-0.60 90(620) 64(440) 269max
F11 K11597 0.05-0.15 0.30-0.60 0.03 0.03 0.50-1.00 1.00-1.50 0.44-0.65 60(415) 30(205) 121-174
F12 K11562 0.05-0.15 0.30-0.60 0.045 0.045 0.50 0.80-1.25 0.44-0.65 60(415) 32(220) 121-174
F22 K21590 0.05-0.15 0.30-0.60 0.04 0.04 0.5 2.00-2.50 0.87-1.13 60(415) 30(205) 170max
F23 K41650 0.04-0.10 0.10-0.60 0.03 0.01 0.5 1.95-2.60 0.05-0.30 74(510) 38(400) 220max
SCM440 0.38-0.43 0.60-0.90 0.03 0.03 0.15-0.35 0.25 0.90-1.20 0.15-0.30
SNCM439 0.36-0.43 0.60-0.90 0.03 0.03 0.15-0.35 1.60-2.00 0.60-1.00 0.15-0.30
STAINLESS STEELS(MARTENSITIC)
F6 S41000 0.15 1 0.04 0.03 1 0.5 11.5-13.5 70(485) 40(275) 143-207
STAINLESS STEELS(FERRITIC)
F429 S42900 0.12 1 0.04 0.03 0.75 0.5 14.0-16.0 60(415) 35(240) 190max
F430 S43000 0.12 1 0.04 0.03 0.75 0.5 16.0-18.0 60(415) 35(240) 190max
STAINLESS STEELS(AUSTENITIC)
F304L S30403 0.03 2 0.045 0.03 1 8.0-13.0 18.0-20.0 70(485) 25(170)
F310 S31000 0.25 2 0.045 0.03 1 19.0-22.0 24.0-26.0 75(515) 30(205)
F316L S31603 0.03 2 0.045 0.03 1 10.0-15.0 16.0-18.0 2.0-3.0 70(485) 25(170)
F317L S31703 0.03 2 0.045 0.03 1 11.0-15.0 18.0-20.0 3.0-4.0 70(485) 25(170)
F321 8 S32100 0.08 2 0.045 0.03 1 9.0-12.0 17.0-19.0 75(515) 3 0(205)
F347 S34700 0.08 2 0.045 0.03 1 9.0-13.0 17.0-20.0 5(515) 30(205)
F44 S31254 0.02 1 0.03 0.01 0.8 17.5-18.5 19.5-20.5 6.0-6.5 94(650) 44(300)
STAINLESS STEELS(DUPLEX)
F51 S31803 0.03 2 0.03 0.02 1 4.5-6.5 21.0-23.0 2.5-3.5 0(620) 65(450)
F53 S32750 0.03 1.2 0.035 0.02 0.8 6.8-8.0 24.0-26.0 3.0-5.0 16(800) 80(550) 310max
F904L NO8904 0.02 2 0.01 0.03 1 23.0-28.0 19.0 23.0 4.0-5.0 71(490) 31(215)
SUSF329J3L 0.03 2.0 0.04 0.030 1.00 4.50-6.50 21.0-24.0 2.50=3.50 0.08-0.02
F60 S32205
CARBON STEELS
A105 0.35 0.60-1.05 0.035 0.04 0.10-0.35 0.4 0.3 0.12 70(485) 36(250) 187
A350LF2 0.3 0.60-1.35 0.035 0.04 0.15-0.30 0.4 0.3 0.12 70-95(485-655) 36(250) 197
A350LF3 0.2 0.9 0.035 0.04 0.20-0.35 3.3-.37 0.3 0.12 70-95(485-655) 37.5(260)
A694/F65 0.26 1.4 0.025 0.025 0.15-0.35 77(530) 65(450)
S45C 0.42-0.48 0.60-0.90 0.30 0.35 0.15-0.35
ALLOY STEELS
ALLOY20 NO08020

0.07

 2 0.45 0.35 1 32-38 19-21 2.0-3.0
ALLOY625 NO06625 0.1 0.5 0.015 0.015 0.5 58 20-23 8.0-10.0
ALLOY800 NO8800 0.1 1.5 0.015 1 30-35 19-23
A800H/HT NO8810/11 0.05-0.10 1.5 0.015 1 30-35 19-23
ALLOY825 NO8825 0.05 1 0.03 0.5 38-46 19.5-23.5 2.50-3.50
MOLD STEELS
SKT4 0.50-0.60 0.60-0.90 0.03 0.02 0.10-0.40 1.50-1.80 0.08-1.20 0.35-0.55 0.05-0.15
STD61 0.32-0.42 0.50 0.03 0.03 4.50-5.50 1.00-1.50 0.80