ⓓ直径小于等于3/4英寸的零件,其允许最大硬度为241HBW(100HRB) 冲击吸收功要求 A320L7 对应不同标准 1 ASTM A320/A320M-2018 低温用合金钢螺栓材料标准规范 A320 L7 2 ASTM A320/A320M-2021 低温用合金钢螺栓材料标准规范 A320 L7 注:数据仅供参考!如有疑问,请填写"我要纠错"!我...
A320 L7/A320M-L7螺栓螺柱是美标低温螺栓,可以达到-101度27J。A320 L7/A320M-L7是美标螺栓的等级,有其特殊的化学成分和机械性能。广泛应用于石化、压力容器等行业。 其中的A320是美国标准螺栓材料的标号,L7指的是材料等级,材料:ASTM A320-L7,ASTM A320M-L7,ASTM A320 L7,ASTM A320M L7,ASTM A320 Gr.L7,AST...
A320 L7 化学元素成分含量(%) 成分CSiMnPSCrMo 最小值0.380.150.75--0.80.15 最大值0.480.3510.0350.041.10.25 注:除了规定外,不允许有意添加Bi、Se、Te和Pb。 碳当量计算 A320 L7 机械性能 直径 d mm热处理或状态 抗拉强度 σb Mpa屈服点 σs ...
A320 L7M 化学元素成分含量(%) 成分CSiMnPSCrMo 最小值0.380.150.75--0.80.15 最大值0.480.3510.0350.041.10.25 注:除了规定外,不允许有意添加Bi、Se、Te和Pb。 ① 对于等级L7M来说,如果已经达到相应截面面积规定的拉伸性能要求,允许其最小含碳量为0.28%。允许使用AISI 4130或4130H。
②对于等级L7M来说,如果已经达到相应截面面积规定的拉伸性能要求,允许其最小含碳量为0.28%。允许使用AISI 4130或4130H。 碳当量计算 A320 L7M 机械性能 直径 d mm热处理或状态 抗拉强度σb Mpa 屈服点σs Mpa 断后伸长率或延伸率δ % 断面收缩率ψ % 硬度 HBW d≤65 淬火和回火,最小回火温度620℃ ...
ASTM A320 L7 Stud Bolt Black Oxide Full Thread Rods Grade:L7 Size:M4-M100 Length:Standard or Non-standard as Request&Design Surface Treament:Black, Zinc Plated, Zinc (Yellow) Plated, H.D.G. ,Dacromet,etc. Material:Carbon Steel, Alloy Steel, Stainless Steel,etc....
ASTM A320 Grade L7 ASTM A320 Grade L7 is a standard specification for high tensile 4140 alloy steel bolting materials, intended for use in low temperature services. The term "bolting material" as used in this specification covers, rolled, forged or strain hardened bars, bolts, screws, studs an...
ASTM A320 L7 M5-M30 304 Stainless Steel Double End Stud Bolt Customized, Find Details and Price about Stud Bolt Bolt from ASTM A320 L7 M5-M30 304 Stainless Steel Double End Stud Bolt Customized - Ningbo Linork Metal Co., Ltd.
Stud Bolts A320 L7/L7m US$1.20 500-999 kg US$1.10 1,000-1,999 kg US$1.00 2,000+ kg Product Details Customization: Available Material: Carbon Steel Surface Finishing: Zinc Plated Contact Supplier Chat Still deciding? Get samples of US$ 0.1/Piece ! Request Sample Ningbo Beilun ...
Product Material 1. Carbon Steel: The cost is relatively low, and it has a certain strength and hardness. After appropriate heat treatment and surface treatment (such as galvanizing and blackening), it can meet the basic performance requirements of Stud bolts.2. Stainless Ste...