结交特优钢板的朋友,新型模具钢WSM35B研制开发成功。该钢种采用先进的冶炼、轧制技术工艺,确保了钢板钢质纯净、组织致密、变形平直及硬度分布均匀一致。这一新品种投放市场后,经用户验证,其内部质量优良,硬度均匀,具有良好的抛光性能,产品性能明显优于国内同类产品,且价格适中。
该钢种在国内广泛应用，成分略有差异 新型模具钢/WSM35B
模具钢WSM35B与国外模具钢对照：舞钢HWISCO WSM35B、中国标准GB/YB 3CR2MO、美国标准AISI P20、德国标准DIN 1.2311、瑞典标准ASSAB 618、奥地利标准BOHLER M202。新型模具钢/WSM35B 预硬化模具钢WSM35B适用于制造大中型塑料模具、模具架及地熔点合金（如铅、锌、铝合金）压铸模。如家用电器、电脑外壳及冰箱冰柜外壳等光洁度要求较高的塑料模具。新型模具钢/WSM35B
WSM35B的特性：钢板重合金含量低、工艺简单，具有良好的经济适用性，钢板硬化交货，无需要热处理，可直接进行模具加工，缩短模具制造周期，钢板采用精炼、真空脱气、电磁搅拌及强大轧制变形等技术工艺措施，确保钢板钢质纯净、组织致密、变形平直及硬度分布均匀一致，故有良好的抛光性能、光蚀刻、电火花蚀刻及机械加工等特性。
生产规格：20-150*1500-3800*3000-12000mm（切头尾不切两纵边，毛边交货） 。技术要求：化学成分（熔炼成分) 若特殊约定，执行WYJ企业标准。含有 C Si Mn Cr Mo 和少量微量元素,出厂特殊热处理状态交货，表面硬度在280-340HB布氏硬度，钢板逐张探伤检验，探伤执行JB4730,国标I级。检验部位在钢板表面头、中、尾五点硬度，以五点平均值作为硬度评定依据。
物理性能：临界点Ac1:738℃ Ac3:832℃ Arl:579℃ Ar3:709℃ Bs:417℃
比热系数：0.46KJ/Kg.K
线膨胀系数：略，新型模具钢/WSM35B 钢板杂质含量控制低，钢质纯净，杂质含量0.012%P，0.003%S,{N}：46PPm,{H}:1.5PPm,{O}:13PPm。钢板内在组织致密，低倍组织控制低，钢板100%通过JB4730I级的探伤检验，探伤最大厚度为150mm，钢板低倍组织无裂纹、气孔等危害缺陷，其疏松和偏析级别≤1.0级，钢板硬度控制均匀，同板差小，典型钢板表面硬度检验，表略：全厚度硬度检验，表略：钢板杂质含量控制低，各类非金属夹杂物控制在1.0级以下，表略：钢板组织控制均匀，表面1/2处组织保持一致，表略：新型模具钢/WSM35BPre-hardened mold steel WSM35B
(The steel widely used in China, a slightly different composition) WSM35B pre-hardened mold steel foreign steel control
Wugang die steel die steel with foreign control WSM35B: Wugang HWISCO WSM35B, Chinese standard GB / YB 3CR2MO, American Standard AISI P20, German standard DIN 1.2311, the Swedish standard ASSAB 618, Austrian Standards BOHLER M202. WSM35B pre-hardened mold steel foreign steel control
Pre-hardened mold steel WSM35B for the manufacture of medium-sized plastic mold, mold frame and to the melting point alloys (such as lead, zinc, aluminum) die-casting mold. Such as household appliances, computer casings and other finish fridge freezers require a higher shell plastic mold. WSM35B pre-hardened mold steel foreign steel control
Wugang WSM35B features: low alloy steel plate weight, simple process, with good economic applicability of hardened steel delivery, no need to heat treatment, can be directly mold, mold manufacturing to shorten cycle, plate of refining, vacuum degassing, electromagnetic stirring and powerful technologies such as rolling process measures to ensure the purity of steel plate, compact structure, deformation and hardness distribution of uniform flat, so a good polishing performance, photolithography, etching and electrical discharge machining characteristics.
Production specifications :20-150 * 1500-3800 * 3000-12000mm (cut head and tail do not cut two vertical side edges of delivery). Technical requirements: Chemical composition (melting components) if a special agreement, the implementation of WYJ corporate standards. With C Si Mn Cr Mo and a small amount of trace elements, a special heat treatment factory delivery, the surface hardness of 280-340HB Brinell hardness testing plate by one test, testing the implementation of JB4730, GB I level. The surface of the first test site in the plate, in the end of five hardness, hardness of a five-point average as a basis for evaluation.
Physical properties: the critical point Ac1: 738 ℃ Ac3: 832 ℃ Arl: 579 ℃ Ar3: 709 ℃ Bs: 417 ℃
Specific heat coefficient: 0.46KJ/Kg.K
Linear expansion coefficient: a little, WSM35B pre-hardened mold steel control of foreign steel plate with low impurity content control, steel purity, impurities 0.012% P, 0.003% S, {N}: 46PPm, {H}: 1.5PPm, {O }: 13PPm. Dense inner plate, low magnification control is low, steel grade 100% testing by JB4730I test, testing the maximum thickness of 150mm, steel macrostructure no cracks, holes and other hazards defects, its porosity and segregation levels ≤ 1.0 level, steel hardness control of uniform, with the board difference is small, typically steel surface hardness test, the table slightly: full thickness of the hardness test, the table slightly: the control plate with low impurity content, various types of non-metallic inclusions in the 1.0 control below the table a little: even organizational control plate , the surface 1 / 2 consistent organization, table slightly: WSM35B pre-hardened mold steel control of foreign steel.
