quick detailssteel grade: scm440 / 40crmn mo / 4142 / 42crmo4 / 1.7225standard: aisi, astmdimensions: 80mm-1200mmplace of origin: shandong, china (mainland)brand name: qilumodel number: sae 4142technique: forgedapplication: structural steel baralloy or not: is alloyspecial use: mold steeltype: alloy steel bar                                                                                    specifications1.process:eaf+lf+vd+hot forged 2.certificate: ccs, abs,gl, rs,bv,iso9001 3.delivery time: 30 days chemical composition (%) :
grade c si mn p ≤ s ≤ cr mo ni  ≤ cu ≤
  sae 4142 0.40-0.45
0.15-0.35 0.75-1.00 0.030 0.040 0.80-1.10 0.15-0.25 0.25 0.35
production specification: 
1.length: 2000mm-12000mm
2.round dia: 80mm-1200mm, square bar.100-1000mm, blocks sizes up to 800*1000mm.
3.process: eaf + lf + vd + (esr) + forged + heat treatment (optional)
4.delivery condition: hot forged +rough machined (or black surface )+ turned (optional)
5.forged ratio: no less than 3:1
6.technical data: according to the customer's requirement of chemical composition, physical
properties and mechanical testing
7.test: ultrasonictest according to sep 1921-84 3c/c
8.material details will be as per agreed technical specifications
9.certificate of quality: issued in english, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, uttest result, grain size, heat treatment methods and the sample of is shown on the certificate of quality
10.marking: heat no. will be cold stamped and steel grade, diameter (mm), length (mm), and
the manufacturer logo and weight (kg) is painted
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佛山市齐鲁特钢钢材有限公司
鲍振家
13902892527
广东南海区广佛路泗沥路边金雄特殊钢有限公司仓库大道西北面