Tianjin Qiangbang Industrial Co., Ltd.  

Product Name: 27mncrb Steel Flat Bar for Cultivator Cutter Blades Model NO.: 4.5mmx40mm to 35mmx150mm Stock: Stock Special Use: Silicon Steel Application: Leaf Springs Technique: Hot Rolled Surface Treatment: Shot Peening Certification: ISO, SGS, BV Standard: ASTM, AISI, GB, JIS, DIN Type: Steel Plate Production Line: Short Stress Production Line Brand Name: Daqiang Width: 40mm~150mm Thickness: 4.5mm~35mm Place of Origin: Tianjin, China (Mainland) Surface1: Smooth Plain Surface2: Double Grooved Surface3: Single Grooved Trademark: DaQiang Transport Package: Export Packing Specification: width 40mm-150mm, thickness 4.5mm-35mm Origin: Tianjin, China Product Description 27MnCrB steel flat bar for cultivator cutter bladesWe produce spring flat steel. Our Daqiang Brand spring steel bar is in excellent quality and competitive price. We can produce and supply almost all grades of spring steel bars: 65Mn, 55Si2Mn, 60Si2Mn, 60Si2MnA, 55CrMnA, 60CrMnA, 60CrMnBA, 50CrVA; 60Si7, 55Si7, 55Cr3, 50CrV4, 51CrV4; SUP6, SUP7, SUP9, SUP9A, SUP10A; SAE1066, SAE1070, SAE5155, SAE5160, SAE9255, SAE9260 according to ASTM A29, ASTM A322, BS EN 10089-2002, DIN 17221-1988, GB/T 1222-1984, JIS G4801-2005.Spring steel flat bars are mainly used to make laminated leaf springs suspension of trucks and trailers, rotary coulter and hardware tools etc. We can produce spring steel bars of sizes and specifications of width 40mm-150mm, thickness 4.5mm-35mm, a variety of sizes from 4.5mmx40mm to 35mmx150mmProduct Chemical Composition (%)STANDARDCSiMnCrVPSGBSAEJISDIN≤65Mn10660.62-0.700.17-0.370.90-1.20≤0.250.0350.03560Si2Mn9260SUP660Si70.56-0.641.50-2.000.60-0.90≤0.350.0350.03560Si2MnA9260SUP760Si70.56-0.641.60-2.000.60-0.90≤0.350.0250.02555CrMnA5155SUP955Cr30.52-0.600.17-0.370.65-0.950.65-0.950.0250.02560CrMnA5160/hSUP9A0.56-0.640.17-0.370.70-1.000.70-1.000.0250.02550CrVA6150SUP1051CrV40.46-0.540.17-0.370.50-0.800.80-1.100.10-0.200.0250.025