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42CrMo合金钢棒——高强度调质圆棒

山东快马钢铁有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
可定制 超低价
$740 1-49 吨 基准价
$710 50-99 吨 4.1% 优惠
$690 ≥100 吨 6.8% 优惠
价格有效期:随行就市

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  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 740.00
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42CrMo合金钢棒技术规范

属性参数描述
产品名称42CrMo 合金钢棒用于高强度应用的铬钼合金钢
材料牌号42CrMo / AISI 4140 / EN 1.7225 / JIS SCM440国际牌号对应
标准符合性GB/T 3077, ASTM A29, EN 10083-3, JIS G4105符合主要国际标准
碳 (C)0.38-0.45%碳含量用于强度和淬透性
铬 (Cr)0.90-1.20%增强淬透性和耐磨性
钼 (Mo)0.15-0.25%改善韧性和高温强度
锰 (Mn)0.50-0.80%提高强度和淬透性
硅 (Si)0.17-0.37%脱氧剂和强化元素
磷 (P)≤0.035%受控以改善延展性
硫 (S)≤0.035%低硫以提高切削加工性
抗拉强度≥1080 MPa热处理后的最低抗拉强度
屈服强度≥930 MPa淬火和回火后的最低屈服强度
伸长率≥9%50mm 标距内的延展性
硬度217-269 HBW退火后的布氏硬度
直径范围10mm - 350mm可提供的圆棒直径选项
长度3m - 12m 或定制可提供标准长度和定制长度
热处理淬火和回火 (QT)以热处理状态交付
应用齿轮、轴、曲轴、重型机械零件机械工程中的典型应用
认证EN 10204 3.1, ISO 9001, mill test certificate提供的质量认证
MOQ5 tons最小起订量

42CrMo合金钢棒 - 高强度调质圆棒

42CrMo合金钢棒代表优质的低合金结构钢,广泛应用于要求卓越机械强度和优异韧性的场合。这种铬钼合金钢在制造重型机械部件、汽车传动轴以及高应力工程零件中发挥着关键作用,这些应用对抵抗疲劳和冲击载荷的要求极高。我们的钢厂直供42CrMo圆钢专为制造商、分销商和工程采购团队设计,提供符合国际质量标准的一致冶金性能。

什么是42CrMo合金钢棒?

42CrMo合金钢棒是一种中碳铬钼结构钢,含有约0.38-0.45%的碳、0.90-1.20%的铬和0.15-0.25%的钼。该成分在淬火和回火热处理后具有出色的淬透性和机械性能,根据GB/T 3077标准,抗拉强度最低可达1080 MPa,屈服强度最低可达930 MPa。

42CrMo合金钢棒供应商

42CrMo合金钢棒技术规格

我们的42CrMo圆钢符合GB/T 3077-2015标准,具有精确的化学成分:C 0.38-0.45%、Si 0.17-0.37%、Mn 0.50-0.80%、Cr 0.90-1.20%、Mo 0.15-0.25%、P ≤0.035%、S ≤0.035%。可提供热轧、锻造和冷拔状态,直径范围从10mm到350mm,这些钢棒按照GB/T 6402进行严格的超声波检测,以确保内部健全且无关键缺陷。

为什么选择我们的42CrMo合金钢棒

我们通过直接与钢厂合作,保持具有工厂竞争力的价格,同时通过每批货物随附符合 EN 10204 3.1 文档的完整钢厂材质证明书,保证材料可追溯性。我们的库存管理系统可在 7-10 个工作日内快速交付标准尺寸,并提供定制热处理服务,包括正火、淬火和回火,以达到特定硬度要求,范围从加工用料的 28-32 HRC 到成品部件的 38-42 HRC。

常见问题

最小起订量(MOQ)是多少?

我们的标准 MOQ 为每个规格库存尺寸 5 公吨。对于定制直径或热处理状态,最低为 10 公吨。我们为通过季度合同建立长期供应协议的经销商提供灵活的数量选择。

42CrMo alloy steel bar manufacturer

你们提供材质证明书吗?

是的,我们每批货物都提供符合 EN 10204 3.1 标准的完整钢厂材质证明书。文件包括化学成分分析、力学性能测试结果、热处理记录,以及应要求由第三方检验机构验证的超声波检测报告。

典型交货时间是多少?

热轧状态的标准直径棒材(16mm-100mm)在 7-10 个工作日内出厂。需要特殊轧制或热处理的定制尺寸通常需要 25-30 天。对于紧急项目,可提供加急生产,交期为 15 天,但需支付加急费用。

你们可以按定制尺寸切割吗?

当然可以。我们的精密切割服务可加工长度从 500mm 到 6000mm 的工件,公差为 ±5mm。我们提供锯切、火焰切割以及按客户图纸进行的车削、钻孔和铣削等机加工服务。切割后的工件经过去毛刺处理,并标记炉号以实现全程可追溯。

获取 42CrMo 合金钢棒的竞争力报价

立即联系我们的技术销售团队,提供您的规格要求,包括直径、长度、数量、热处理状态和交货目的地,获取定制报价。我们的冶金工程师提供免费的材料选型咨询,帮助您优化部件性能,同时实现高性价比的采购。我们支持全球发货,在出口单证、集装箱装载优化和物流协调方面拥有丰富经验,可将货物发往北美、欧洲、东南亚和中东的 45 个以上国家。

42CrMo alloy steel bar China

评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
Chris Martin
Canada
2025-09-12
Acceptable Quality with Initial Documentation Delay
Ordered 5 tons of 42CrMo bars (55mm diameter, hot-rolled) for general machinery parts. Material quality was acceptable - mechanical properties met GB/T 3077 standards with tensile strength at 1082 MPa. Initial shipment arrived without complete mill certificates, causing a 3-day delay in our production schedule. Supplier quickly sent missing documentation via courier and offered 5% discount on our next order as compensation. Once resolved, material performed adequately in our manufacturing process. Straightness was within tolerance at 2mm per meter. Would order again given the responsive customer service in resolving the issue.
用户
William Taylor
Australia
2025-09-30
Premium 42CrMo for Marine Propulsion Systems
Procured 9 tons of 42CrMo bars (110mm diameter, quenched & tempered to 35 HRC) for marine propulsion shaft manufacturing. Supplier arranged third-party Lloyd's Register inspection at their mill before shipment - inspection report confirmed all mechanical properties and dimensional tolerances. Chromium content at 1.15% and molybdenum at 0.23% provided excellent hardenability for our large diameter requirements. Grain size was fine and uniform (ASTM 7-8). Delivered to Sydney in 26 days with perfect packaging protecting against moisture. Technical support included stress calculation assistance for our specific marine application.
用户
Ahmed Al-Hassan
UAE
2025-10-17
Reliable 42CrMo Bars for Oil Field Equipment
Ordered 7 tons of 42CrMo round bars (40mm and 65mm diameters) for oil field drilling equipment parts. Material quality was solid with tensile strength at 1088 MPa and good ductility. Delivery to Dubai took 28 days, slightly longer than the quoted 25 days due to shipping schedule changes, but supplier kept us informed throughout. Pricing was reasonable after negotiation. Documentation met our project requirements. One bundle had minor rust staining from sea transport, but didn't affect usability after surface cleaning.
用户
Carlos Silva
Brazil
2025-11-04
Perfect 42CrMo Material for Repeated Orders
This is our fourth order of 42CrMo alloy steel bars (70mm and 90mm diameters, Q&T condition to 30 HRC). Ordered 15 tons for manufacturing heavy machinery components. Consistency across all shipments has been remarkable - hardness variation never exceeds ±1 HRC. Export documentation for Brazil customs was perfectly prepared, avoiding any clearance delays. Container loading was optimized to minimize freight costs. Supplier maintains our preferred specifications in their system, making reordering simple. Impact toughness values consistently exceed 60J at -20°C, critical for our cold climate applications.
用户
Robert Brown
United Kingdom
2025-11-21
Outstanding Service and Custom Cutting for Mining Equipment
Purchased 10 tons of 42CrMo bars (120mm diameter) with custom cutting to 1200mm lengths for mining equipment shaft applications. Supplier's precision cutting service delivered tolerance within ±3mm, better than our ±5mm specification. All cut pieces were deburred and clearly marked with heat numbers. Technical sales team responded within 2 hours with detailed quotation including shipping to our Manchester facility. Material certificates showed hardenability meeting our Jominy curve requirements. Received metallurgical consultation at no extra charge regarding optimal tempering temperatures for our application.
用户
Hans Mueller
Germany
2025-12-08
Good Value 42CrMo Bars with Reliable Performance
Ordered 6 tons of 42CrMo round bars (50mm diameter, normalized condition) for heavy-duty gear production. Pricing was competitive compared to quotes from 4 other European suppliers. Mechanical properties met our specifications with yield strength at 945 MPa. Delivery took 11 days as scheduled. Surface finish had minor scale marks typical of hot-rolled material, but nothing affecting our machining operations. Documentation package was complete including third-party inspection reports. Would have preferred tighter diameter tolerance (received +0.8mm vs specified ±0.5mm), but supplier promptly offered discount on next order.
用户
James Wilson
United Kingdom
2025-12-23
Superior Quality 42CrMo for Transmission Shaft Production
We purchased 12 tons of 42CrMo alloy steel bars (diameters 60mm and 100mm, hot-rolled condition) for automotive transmission shaft manufacturing. Supplier provided detailed mill test certificates showing carbon content at 0.42%, sulfur at 0.018%, and phosphorus at 0.025% - all well within acceptable limits. Delivery was completed in 8 days, 2 days ahead of promised schedule. Their technical team offered valuable heat treatment recommendations for achieving our target 38-40 HRC hardness. Material traceability with heat numbers on each bar simplified our quality control process.
用户
Michael Chen
Singapore
2026-01-07
Excellent 42CrMo Bars for Hydraulic Cylinder Manufacturing
Ordered 8 tons of 42CrMo round bars (80mm diameter, quenched & tempered to 32 HRC) for hydraulic cylinder rod production. Chemical composition analysis showed Mo at 0.22%, Cr at 1.08%, perfectly within GB/T 3077 specifications. Tensile strength tested at 1095 MPa, exceeding our 1080 MPa requirement. Ultrasonic testing reports confirmed zero internal defects. Material arrived in 9 days with complete EN 10204 3.1 certificates. Machining performance was outstanding with consistent hardness throughout. This is our second order this quarter.

了解供应商

山东快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地:China

可定制 超低价
$740 1-49 吨 基准价
$710 50-99 吨 4.1% 优惠
$690 ≥100 吨 6.8% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 740.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
标准出口包装
样品:
可按需提供

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