
4145h Forged Alloy Steel Round Bars. Wide Size Range: Available in diameters from 130mm to 700mm to meet diverse industrial needs. Custom Length and Weight: Length and weight can be customized by request to fit specific project requirements. Flexible Customization: Offers full, minor, and flexible customization based on samples or designs. Strict Quality Control: 100% visual inspection for finished products with traceable raw materials. Multiple Certifications: ISO 9001:2008, TUV, BV certified with ISO9001:2015 and ISO45001:2018 management systems. Precise Tolerances: Forging tolerance of -0/+3mm and black surface tolerance of -0/+8mm. Fast Delivery: Lead time within 15 workdays for both peak and off-peak seasons. Low MOQ: Minimum Order Quantity starts from just 1 piece.