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4140 / 42CrMo4 / 42CrMo / SCM440 Alloy Steel Rod Cold Drawn Technique Dia 2-100 Mm
Application
Cold Drawn steel round bar are widely used in machinery making, autombile making, railway, mine machinery, petoleum machinry, agricultural machinery and civil archtectue such as all kinds of shafts, screws, connecting rods, hardware tools, gears, standard parts, spanners fasteners, structural parts for automobile and agricultural machinery, outer and iner sleeves, rollers and balls for bearing making.
Related specification:
Australia AS 1444-2007 4140
Germany DIN 17212 W.Nr. 1.7223 Type 41CrMo4
DIN 17200 1654 W.Nr 1.7225 Type 42CrMo4
DIN 17200 W.Nr 1.7227 Type CrMoS4
EN10083 11991 1.7225 42CrMo4
Great Britain BS970 1955 EN19A
BS970 Part 3:1991708M40 or 709M40 or 708 A 42
Sweden: SS 2244
France AFNOR 40 CD 4 , AFNOR 42 CD 4
Italy: UNI 38 CrMo 4 KB , UNI 40 CrMo 4 , UNI G 40 CrMo 4
USA ASTM A29A29M91 4140
ASTM A322 4140
ASTM A331 4140 cold finish
SAE 4140, SAE J404 , SAE J412 , SAE J770 , UNS G41400
Japan JIS G 4103 SNCM4
JIS G 4105 SCM440
Chemical composition:
| Grade | C | Mn | Si | Cr | Mo | S | P |
| SAE4140 | 0.38-0.43 | 0.75-1.0 | 0.15-0.35 | 0.8-1.1 | 0.15-0.25 | ≤0.040 | ≤0.035 |
| 42CrMo4 | 0.38-0.45 | 0.6-0.9 | ≤0.40 | 0.9-1.2 | 0.15-0.25 | ≤0.035 | ≤0.035 |
Size range:
Dia: 2-100mm
Length Random Length, Fixed Length, etc.
Please feel free to contact us again if you have any further questions. We look forward to receiving an order from you.