欧阳美创编 2021.01.01 欧阳美创编 2021.01.01
英制（SAE J429）螺栓所用材料：
时间：20 Grade Material and Treatment C Element% Min 1 2 4 5 5.1 5.2 7 8 8.1 8.2 Low or Medium MediumCarbon Low or Carbon cold steelquenched medium medium carbon steel drawn steel and tempered carbon steel -- --- --- 0.55 --- --- 0.55 --- 0.048 0.13 --- 0.28 0.55 --- 0.048 0.058 --- 0.15 0.15 0.30 0.25 --- 0.74 Medium Carbon alloy steel quenched and tempered SAE 1541 Low or medium carbon steel 0.28 0.55 --- 0.28 0.55 --- 0.28 0.55 --- 0.15 0.25 0.74 0.048 Max 0.55 Mn Min P Max S Max B Min 0.048 0.048 0.058 0.058 --- --- 0.048 0.048 0.040 0.058 0.058 0.045 --- 0.0005 ---- 0.040 0.048 0.045 0.058 0.058 --- --- 0.0005 英制螺栓（SAE J429）的机械性质：
强度等级 Grade Designation 产品Products Bolts螺栓 Screws螺钉 Studs螺柱 规格Nominal Size Dia In 1/4 thru 1-1/4 Full Size Bolts， Screws，Studs，Sems Proof Load Tensile Strength 机械性能Machine Test Specimen Of Bolts，Screws，and Studs Yield Strength Surface Core Hardness Hardness Reduction Of Rockwell Rockwell Tensile ElongationStrength 伸长率 Area断面收缩 30N Max Min Max 1 33000 60000 36000 60000 18 35 --- B70 B100 2 4 5 Bolts螺栓 Screws螺钉 Studs螺柱 1/4 thru 3/4 Over 3/4 thru 1-1/2 1/4 thru 1-1/2 1/4 thru 1 55000 74000 57000 74000 18 35 --- B80 B100 33000 65000 85000 60000 115000 120000 36000 100000 92000 60000 115000 120000 18 10 14 35 35 35 --- --- 54 B70 B100 Studs螺柱 C22 C32 C25 C34 Bolts螺栓 Screws螺钉 Studs螺柱 Over 1 thru 1-1/2 No.6 thru 5/8 74000 105000 81000 10500 14 35 50 C19 C30 5.1d此螺丝有垫片85000 120000 --- --- --- --- 59.5 C25 C40 Bolts螺栓 Screws螺钉 Studs螺柱 No.6 thru 1/2 / 85000 105000 120000 120000 120000 / 120000 13300 150000 150000 150000 / 92000 115000 130000 130000 130000 / 120000 133000 15000 150000 150000 / 14 12 12 10 10 / 35 35 35 35 35 / 56 54 58.6 --- 58.6 / / Bolts螺栓 1/4 thru 1 Screws螺钉 Bolts螺栓 1/4 thru 1-1/2 7e此螺丝热处理后辗牙Screws 螺钉 Bolts螺栓Screws螺钉 1/4 thru 1-1/2 8 Studs螺柱 5.2 C26 C36 C28 C34 C33 C39 C32 C38 C33 C39 8.1 8.2 Studs螺柱 Bolts螺栓 Screws螺钉 1/4 thru 1-1/2 1/4 thru 1 欧阳美创编 2021.01.01 欧阳美创编 2021.01.01
欧阳美创编 2021.01.01 欧阳美创编 2021.01.01
Chemical化学成份 Type1 Type2 Heat analysis Product analysis Heat analysis Product analysis Carbon:碳 0.28-0.55 0.25-0.58 0.15-0.38 0.13-0.41 Manganese min锰 0.60 0.57 0.70 0.67 Phosphorus max磷 0.040 0.048 0.040 0.048 Sulfur ,max硫 Boron ,min硼 0.050 0.058 0.050 0.058 Surface Hardness --- --- 0.0005 0.0005 Hardness硬度 Brinell Rockwell HB布氏 HRC洛氏 255to321 223to285 183t235 25to34 19to30 --- 产品ProNominal Size Grade Designation ducts Dia. In TYPE2 TYPE1 1/4 thru 1 Bolts螺栓 Studs螺柱 over 1 thru 1-1/2 over 1-1/2 thru3 强度等级 规格 Full Size Bolts， Screws，Studs， Proof Load Tensile Strength Yield Strength Elongation in 4D min % Reduction of Area ,min % Rockwell 30N Max / / 85ksi 74ksi 55ksi 120ksi 105ksi 90ksi 92ksi 81ksi 58ksi 14 14 14 35 35 35 英制螺栓（ASTM A449）的化学成份和机械性质： 配合的螺帽为ASTM A563中的产品：
These values are the as the over-tapping required for zinc coated nuts in Specification ASTM A563
1/4至1-1/2英寸普通产品配合的螺帽为ASTM A563的B普通螺帽（hex）；1-1/2至3英寸普通产品配合的螺帽为ASTM A563的A重型螺帽（heavy hex）；1/4至3英寸镀锌产品配合的螺帽为ASTM A563的DH重型螺帽（heavy hex） 英制螺栓（ASTM A307）的化学成份和机械性质：
Chemical 化学成份 Carbon:碳
Manganese min锰 Phosphorus max磷 Sulfur max硫 Boron min硼 Grademax0.29 max 0.90 max 0.04 Heat analysis Product analysis max0.33 max 0.93 max 0.041 A Grademax0.29 max 0.90 max 0.04 Heat analysis Product analysis max0.33 max 0.93 max 0.041 B 备注: 1lbf=4.448N 1 ksi=6.9Mpa 1lbf=0.4593kgf Full Size Bolts， Screws，Studs， Proof Load Tensile Strength Yield Strength Elongation in 2 in min % max 0.15 --- max 0.05 max 0.051 ① --- --- 产品Pro规格Nominal Grade Designation ducts Size Dia In Less than 3xdia 3xdia and longer Bolts螺栓 Studs螺柱 Less than 3xdia 3xdia and longer 强度等级 Surface Hardness Rockwell Reduction of Area min % 30N Max Hardness硬度 Brinell Rockwell HB HRB 121-241 max241 121-212 max212 69-100 max100 69-95 max95 Grade A Grade B Grade C / / / Min 60ksi 60-100ksi --- --- 18 18 23 / / / / / / All 58-80ksi 36（50）ksi No hardness required ①Resulfurized steel is not subject to rejection based on
欧阳美创编 2021.01.01 欧阳美创编 2021.01.01
欧阳美创编 2021.01.01 欧阳美创编 2021.01.01
product analysis for sulfur
配合的螺帽为ASTM A563中的产品：
1/4至1-1/2英寸普通产品配合的螺帽为ASTM A563的A 普通螺帽
（hex）；1-1/2至4英寸普通产品配合的螺帽为ASTM A563的A重型螺帽（heavy hex）；1/4至4英寸镀锌产品配合的螺帽为ASTM A563的A重型螺帽（heavy hex） 英制螺栓（ASTM A354）的化学成份和机械性质：
For size Chemical through 1-1/2 in 化学成份 For size Large than1-1/2 in Heat analysis Product analysis Heat analysis Product analysis Carbon:碳 Manganese min锰 0.30-0.53 / 0.28-0.55 0.35-0.53 / 0.33-0.55 Full Size Bolts， Screws，Studs， Proof Load Tensile Strength Yield Strength Phosphorus max磷 max 0.035 max 0.040 max 0.035 max 0.040 Sulfur max硫 Boron min硼 max 0.040 max0.045 max 0.040 max0.045 Surface Hardness / / Hardness硬度 强度等级 产品Pro规格Nominal Grade Designation ducts Size Dia In GradeBC Grade BD Bolts螺栓 Studs螺柱 Elongation in 2 in min % Reduction of Area min % Rockwell 30N Max Brinell HB 255-331 235-311 311-363 293-363 Rockwell HRC 26-36 22-33 33-39 31-39 1/4 to 2-1/2 Over 2-1/2 1/4 to 2-1/2 Over 2-1/2 105ksi 95ksi 120ksi 105ksi 125ksi 115ksi 150ksi 140ksii 109ksi 99ksi 130ksi 115ksi 16 16 14 14 50 45 40 40 / / These values are the as the over-tapping required for zinc coated
nuts in Specification ASTM A563
译文：这些值为镀锌产品的要求，在ASTM A563中对螺帽有具体要求。
英制螺栓（ASTM A193）的机械性质：
Grade and Class B5 B6 B6X Diameter in. To 1/4 incl. To 1/4 incl. To 1/4 incl. To 2-1/2 incl. TensileStrength Yield Strength ksi 0.2% Offset Min 100 110 90 125 115 Min 80 85 70 105 95 Elongation in 4D min % Min 16 15 16 16 16 Reduction of Area min % Min 50 50 50 50 50 Hardness硬度 Max Brinell Rockwell Refer To note 1 1 1 1 -- -- -- --- -- -- -- C26 C35 C35 B7 Over2-1/2 to 4 欧阳美创编 2021.01.01 欧阳美创编 2021.01.01
英制螺栓机械性能要求之欧阳美创编
