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冷拔不锈钢棒 - 精密公差,ASTM A276认证

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
$1950 1-49 吨 基准价
$1865 50-99 吨 4.4% 优惠
$1820 ≥100 吨 6.7% 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$ 1,950.00
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

产品详情

冷拔不锈钢棒技术规范

属性参数描述
产品名称冷拔不锈钢棒具有增强机械性能的精密拉拔不锈钢棒
材料牌号304 / 316 / 316L / 310S / 2205常用奥氏体和双相不锈钢牌号
标准合规ASTM A276, ASTM A479, EN 10088-3, JIS G4303符合不锈钢棒的主要国际标准
制造工艺冷拔提高尺寸精度、表面光洁度和机械强度
碳含量 (C)≤0.08% (304/316) / ≤0.03% (316L)低碳含量,提高耐腐蚀性和焊接性
铬 (Cr)16.0-26.0%提供耐腐蚀性和抗氧化性
镍 (Ni)8.0-22.0%增强延展性、韧性和耐腐蚀性
钼 (Mo)2.0-3.0% (316/316L)提高抗点蚀和缝隙腐蚀性能
抗拉强度≥515-860 MPa因牌号和冷加工程度而异
屈服强度≥205-690 MPa通过冷拔工艺增强
延伸率≥35-40%50mm 标距长度下的延展性
硬度≤217-290 HBW布氏硬度,取决于牌号和状态
直径范围3mm - 300mm圆棒直径选项,可提供定制尺寸
长度3m - 6m 或定制根据客户要求提供标准和定制长度
表面处理光亮、抛光、剥皮适用于不同应用的多种表面处理选项
公差h9, h10, h11 per ISO 286冷拔棒的精度公差等级
应用汽车零件、紧固件、轴、精密机械需要高精度的典型工业应用
认证EN 10204 3.1, ISO 9001, ASTM certifications提供的质量认证和材料测试报告
包装钢带捆扎、塑料端盖、木箱用于运输过程中保护的标准出口包装
MOQ1 ton最小起订量,特殊要求可协商

冷拔不锈钢棒——精密公差,ASTM A276认证

冷拔不锈钢棒材是一种通过专门的室温成型工艺制造的高端产品,具有卓越的尺寸精度和优异的表面光洁度。这种精密工程材料在要求严格公差的行业中发挥着关键作用,包括航空航天零部件制造、医疗器械制造和高精度仪器仪表。通过控制减径工艺,冷拔棒材获得了热轧替代品无法匹敌的增强力学性能和一致质量,使其成为对尺寸稳定性和表面完整性要求极高的应用的首选。

什么是冷拔不锈钢棒材?

冷拔不锈钢棒材是在环境温度下通过精密模具拉拔以达到特定尺寸规格的奥氏体或双相不锈钢。与退火材料相比,这种机械加工工艺将抗拉强度提高了15-25%,同时将表面光洁度改善至Ra值0.4-0.8 μm,并根据ASTM A276标准实现±0.05mm以内的尺寸公差。

冷拔不锈钢棒材技术规格

我们的冷拔棒材符合ASTM A276/A276M-17第5节的尺寸公差要求和ASTM A240的化学成分要求。可供牌号包括304(UNS S30400)、316L(UNS S31603)和2205双相钢(UNS S32205),直径范围为3mm至300mm。根据牌号和冷加工百分比的不同,抗拉强度达到515-860 MPa,同时按照EN 10088-2:2014测试规程保持最低35-40%的延伸率。

冷拔不锈钢棒材供应商

为什么选择我们的冷拔不锈钢棒材

我们的生产工厂运营通过 ISO 9001:2015 认证的生产线,配备多级拉拔设备,能够达到 h9 公差等级。每个生产批次均按照 ASTM E1479 进行光谱分析以验证化学成分,按照 ASTM A999 进行超声波检测以确保内部健全性,并使用精度为 ±0.002mm 的三坐标测量机进行尺寸检验。我们提供符合 EN 10204 3.1 的工厂测试证书,记录对炉号的完整可追溯性以及对规定机械性能的符合性。

常见问题

最小起订量(MOQ)是多少?

我们的标准最小起订量为每规格 500 千克,但对于特殊牌号或定制尺寸,我们可承接更小数量并相应调整交期。超过 5 公吨的订单可享受批量折扣,工厂竞争性定价体现了钢厂直供采购的优势。

你们提供材质测试证书吗?

是的,我们每批货物均随附 EN 10204 3.1 工厂测试证书,记录基于炉号分析的化学成分、来自实际测试试样的机械性能以及尺寸验证报告。可根据要求提供符合 ASTM A751 的额外第三方认证或 PMI 检测报告。

典型交货时间是多久?

常见尺寸的标准牌号在订单确认后 15-20 个工作日内发货。需要特殊拉拔顺序或热处理周期的定制规格需要 25-35 天。对于有库存原材料的紧急需求,可提供快速生产排程,交期为 10-12 天。

冷拉不锈钢棒制造商

你们能切割成定制尺寸吗?

我们的精密切割服务采用CNC锯切设备,能够按照ASTM A484要求将长度公差控制在+0/-3mm。我们提供100mm至6000mm的定尺切割棒材,端部去毛刺并配有保护性端盖。对于要求直径公差严于h9级的应用,可提供无心磨削服务。

冷拔不锈钢棒材批发

获取冷拔不锈钢棒材的竞争力报价

请联系我们的技术销售团队,讨论您的具体应用需求,并根据牌号、尺寸、数量和交货计划获取详细报价。我们的冶金工程师提供免费的材料选型指导,以优化您制造工艺的性能和成本效益。申请附带认证测试报告的样品,以验证我们的质量标准符合您的采购规格。

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
2025-09-13
Premium Service for Custom Diameter Requirements
Required 480kg of cold drawn 316L bar in non-standard 14mm diameter for specialized hydraulic cylinder applications in mining equipment. Factory accommodated custom drawing with only 27-day lead time including additional centerless grinding to achieve h8 tolerance. Final diameter measured 14.00mm ±0.015mm across 50-piece sample inspection. Material certificates showed 0.022% carbon and 625 MPa tensile strength. Technical team provided metallurgical consultation on heat treatment options. Express shipping to Vancouver arrived intact with proper export documentation.
用户
Carlos Silva
Brazil
2025-09-30
Acceptable Quality with Initial Documentation Delay
Ordered 720kg of cold drawn 304 bar (18mm diameter) for food processing equipment manufacturing in São Paulo. Material quality met ASTM A276 specifications with good surface finish and dimensional accuracy within ±0.05mm. Initial shipment arrived without complete EN 10204 3.1 certificates, causing two-day production delay. Supplier promptly sent missing documentation via courier and offered partial credit for inconvenience. Mechanical properties tested satisfactory at 550 MPa tensile strength. Would order again with earlier certificate verification.
用户
William Taylor
Australia
2025-10-17
Reliable 316L Bars for Marine Shaft Applications
Procured 1.8 tons of cold drawn 316L bar in 40mm and 50mm diameters for propeller shaft components in patrol vessels. ASTM A276 dimensional tolerances verified at ±0.04mm. Tensile strength ranged 580-610 MPa across different heats. Lead time was 32 days, acceptable for our production schedule. Price point was reasonable given Australian logistics. Would prefer tighter strength range consistency, but material performed well in corrosive seawater testing per ASTM G48.
用户
Ahmed Al-Hassan
UAE
2025-11-04
Perfect for High-Precision Architectural Hardware
This is our fourth order for cold drawn 304 bars used in premium door hardware systems for luxury developments in Dubai. Latest shipment of 950kg (15mm and 20mm diameters) maintained consistent h9 tolerance grade verified by our QC lab. CNC cutting service provided bars at exact 1200mm lengths with +0/-2mm accuracy and deburred ends. Material certificates documented 35% minimum elongation. Delivery completed in 14 days to Jebel Ali port. Reliability keeps us returning.
用户
Wei Chen
Singapore
2025-11-21
Superior Surface Finish for Instrumentation Projects
Supplied our client with 320kg of cold drawn 316L bar (6mm diameter) for pressure gauge manufacturing. Surface finish measured Ra 0.5 μm, meeting tight specifications for polished instrument housings. Chemical composition analysis showed carbon at 0.019%, well below 0.030% maximum requirement. Factory provided spectroscopic test reports per ASTM E1479 and PMI verification. Bars arrived in protective packaging with no transit damage. Excellent communication throughout order process.
用户
Hans Mueller
Germany
2025-12-08
Good Value 2205 Duplex Bars for Chemical Processing
Ordered 600kg of cold drawn 2205 duplex bar in 25mm diameter for valve stem applications in chemical reactors. Material met EN 10088-2:2014 requirements with 750 MPa tensile strength. Pricing was competitive compared to three other European suppliers we evaluated. Delivery took 28 days, slightly longer than quoted 25 days, but quality justified the wait. Minor surface scratches on two bars but within acceptable limits for our machining allowance.
用户
Michael Johnson
United States
2025-12-23
Outstanding Quality 304 Bars for Aerospace Fasteners
Purchased 1.2 tons of cold drawn 304 stainless bar (8mm and 10mm diameters) for aircraft fastener manufacturing. ASTM A276 compliance verified through provided mill certificates with complete heat traceability. Ultrasonic testing reports per ASTM A999 showed zero internal defects. Surface quality exceeded expectations with no drawing marks. Lead time was 16 days including custom cutting to 500mm lengths. Technical support team provided excellent material selection guidance for our FAA-certified processes.
用户
James Wilson
United Kingdom
2026-01-07
Excellent Dimensional Accuracy for Medical Device Components
Ordered 850kg of cold drawn 316L bar in 12mm diameter with h9 tolerance for surgical instrument production. Received EN 10204 3.1 certificates showing tensile strength at 620 MPa and surface finish Ra 0.6 μm, exactly as specified. Dimensional inspection on our CMM confirmed ±0.03mm tolerance consistency across entire batch. Delivered in 18 days to our Manchester facility. Material machined beautifully with minimal tool wear. This is our second order this year.

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
$1950 1-49 吨 基准价
$1865 50-99 吨 4.4% 优惠
$1820 ≥100 吨 6.7% 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$ 1,950.00
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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