面向进口商、经销商与项目买家的中国钢材采购服务

钢坯 - 用于锻造和轧制的热轧碳钢钢坯

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
$425 1-49 吨 基准价
$405 50-99 吨 4.7% 优惠
$395 ≥100 吨 7.1% 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$ 425.00
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

钢坯技术规范

属性参数描述
产品名称Steel Billet用于进一步加工的半成品钢材
材料牌号3SP, 5SP, Q235, Q275, ASTM A36, S275JR用于钢坯生产的常见碳钢牌号
制造工艺Continuous Casting / Ingot Casting现代连铸或传统模铸方法
标准合规ASTM A615, GB/T 699, EN 10025, JIS G3112符合主要国际钢材标准
碳含量 (C)0.16-0.25%用于结构强度的碳含量
锰 (Mn)0.40-0.80%提高淬透性和强度
硅 (Si)0.15-0.35%脱氧剂和强化元素
磷 (P)≤0.045%控制含量以改善延展性
硫 (S)≤0.050%低硫以提高切削加工性
抗拉强度≥370 MPa最低抗拉强度要求
屈服强度≥235 MPaQ235 牌号的最低屈服强度
延伸率≥26%50mm 标距内的延展性
横截面Square: 100x100mm to 300x300mm标准钢坯尺寸
长度范围6m, 9m, 12m or custom可提供标准及定制长度
表面质量Smooth, free from cracks and defects按 ASTM A615 标准检验
应用Rebar production, wire rod, structural steel主要用于轧钢厂和锻造
认证EN 10204 3.1, ISO 9001, Mill Test Certificate随货提供质量认证
包装用钢带捆扎,按规格标记适用于集装箱/散货的标准出口包装
最小起订量25 吨每规格的最小订购量

钢坯 - 用于锻造和轧制的热轧碳钢钢坯

钢坯是钢铁制造业中的基础半成品,是后续轧制、锻造和成型加工的重要原材料。作为热轧碳钢钢坯的领先供应商,我们为钢厂、锻造厂以及需要可靠原料进行线材生产、螺纹钢制造和型材轧制的制造商提供符合严格国际标准的高品质材料。我们的钢坯具有稳定的化学成分、优异的表面质量和最佳的尺寸精度,确保您的下游加工顺畅无阻。

什么是钢坯?

钢坯是一种横截面为方形或矩形的半成品铸造产品,通常尺寸为100mm × 100mm至200mm × 200mm,通过连铸或钢锭轧制工艺制造。这种中间钢材形态是轧钢厂通过热轧工艺生产线材、螺纹钢、型材及各类长材的主要原料。

钢坯供应商

钢坯技术规格

我们的钢坯按照ASTM A615/A615M-20和GB/T 699-2015标准制造,低碳钢种的碳含量范围为0.16%至0.25%,中碳钢种的碳含量范围为0.40%至0.60%。标准尺寸包括120mm × 120mm、130mm × 130mm、150mm × 150mm和160mm × 160mm横截面,长度根据客户要求从6米到12米不等。抗拉强度范围从Q235钢种的最低370 MPa到45#钢的600 MPa,屈服强度规格根据材料钢种从235 MPa到355 MPa不等。

制造工艺与质量控制

我们的生产设施采用先进的连铸技术,配备电磁搅拌系统,以确保化学成分分布均匀并最大限度减少偏析缺陷。每批次均经过严格的质量检验,包括按 ASTM E415 进行光谱分析以验证化学成分,按 GB/T 6402 进行超声波检测以评估内部健全性,以及表面检查以发现裂纹、接缝或氧化皮缺陷。制造过程采用受控冷却速率以获得最佳微观结构,从而使钢坯具有优异的切削加工性,并在整个横截面上保持一致的力学性能。

应用与行业用途

钢坯在多个制造领域有着广泛的应用。线材轧机使用 100mm 至 130mm 方坯,通过多道次轧制缩减生产螺纹钢、线材产品和紧固件级线材。锻造作业更倾向于使用较大的 150mm 至 200mm 钢坯,用于制造需要优异力学性能的汽车零部件、工业轴类和重型机械零件。无缝管制造商采用圆坯作为旋转穿孔工艺的起始材料,而结构钢加工商则将钢坯转化为用于建筑应用的 H 型钢、工字钢、槽钢和角钢。

钢坯批发

为什么选择我们的钢坯供应

我们的钢厂直供供应链消除了中间商加价,在不降低质量标准的前提下提供具有工厂竞争力的价格。我们备有多个牌号的大量库存,包括Q235、Q345、SAE 1045和42CrMo,以确保紧急订单的快速交付。每批货物均附有符合EN 10204 Type 3.1标准的完整材质检验证书,提供完整的可追溯性,包括炉号标识、化学成分分析结果和力学性能测试数据。我们的技术支持团队提供冶金咨询,以根据您的具体轧制或锻造参数优化材料选择。

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个牌号和尺寸规格25公吨。对于试用订单或小批量需求,我们可以提供从10吨起的减量订购,价格相应调整。我们还提供混装集装箱发货,可组合不同尺寸,帮助客户达到最小起订量门槛,同时实现库存多样化。


你们提供材质检验证书吗?

是的,我们每批货物均提供符合EN 10204 Type 3.1标准的完整钢厂材质检验证书(MTC)。这些证书包括通过光电发射光谱法进行的完整化学成分分析、拉伸和屈服强度测试结果、适用情况下的冲击韧性值,以及尺寸检验报告。可根据要求安排SGS、BV或其他认可机构的额外第三方检验。

典型的交货时间是多久?

对于我们的常规库存中保持的标准牌号和尺寸,交货时间为订单确认并收到定金后15至20天。需要特殊生产运行的定制规格通常需要自下单起30至35天。我们与可靠的货运代理协调,以优化运输时间表,并在整个物流过程中提供实时跟踪信息。

你们可以切割成定制尺寸吗?

当然可以。我们的加工设施配备了精密切割设备,能够按照客户指定的长度生产钢坯,公差为±10mm。我们可以为超出标准6米和12米规格的尺寸提供定尺切割服务,包括用于集装箱优化的较短段或用于特殊轧制应用的 up to 13米较长件。对于超过100吨的订单,还可以通过我们的铸造调整能力生产定制横截面尺寸。

获取钢坯有竞争力的报价

立即联系我们的销售团队,获取根据您的具体需求定制的详细报价。请提供您所需的牌号规格、横截面尺寸、长度偏好和预计月用量,以便我们的专家准备一份全面的方案,包括当前钢厂定价、包装选项和交货条款。我们提供灵活的国际贸易术语,包括FOB、CFR和CIF,以满足您的物流偏好,并确保为您的制造业务实现具有成本效益的采购。

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
Carlos Silva
Brazil
2025-09-08
Perfect Material for Wire Rod Applications
Supplied 40 tons of low-carbon billets (100mm × 100mm) for our wire drawing operations in São Paulo. Carbon content consistently maintained at 0.17% across entire batch enabling excellent cold forming characteristics. Surface inspection revealed no cracks or seams affecting downstream processing. Their technical team provided metallurgical consultation on optimal rolling reduction ratios improving our production efficiency by 9%. SGS third-party inspection arranged at our request with all results matching mill certificates. Established reliable supply partnership for our monthly requirements of 35-40 tons.
用户
Ahmed Al-Hassan
UAE
2025-09-26
Acceptable Quality with Packaging Issues Resolved
Ordered 25 tons of 130mm × 130mm billets for structural section rolling in our Dubai facility. Material quality was acceptable with chemical composition within specified ranges. Encountered moisture damage on 2 bundles due to inadequate wrapping during sea freight. Supplier provided 8% credit adjustment and improved packaging specifications for subsequent shipment. Mechanical properties tested satisfactory with yield strength at 245 MPa. Delivery time was 29 days as committed. Would recommend enhanced quality control on export packaging procedures.
用户
Robert Brown
United Kingdom
2025-10-13
Solid Performance for Seamless Pipe Production
Purchased 22 tons of round billets (180mm diameter) for rotary piercing operations. Macrostructure examination showed uniform grain distribution suitable for pipe manufacturing. Compared quotes from 4 different suppliers and their pricing was middle-range but quality justified the cost. Tensile strength at 520 MPa met our specifications. Minor issue with bundle labeling on one shipment but resolved quickly with photographic evidence. Technical data sheet provided useful reheating temperature guidelines. Good supplier for established pipe production lines.
用户
William Taylor
Australia
2025-10-31
Premium Billets with Fast Delivery
Required urgent supply of 12 tons of 150mm × 150mm billets for shipyard project. They accommodated our tight deadline with delivery in 14 days to Melbourne port. Material certificates confirmed low sulfur content at 0.008% and phosphorus at 0.012%, critical for our welding requirements. Cut-to-length service provided precise 8-meter sections optimizing our container loading. Sales team responded within 6 hours with detailed quotation including CFR terms. Premium quality justified the investment for time-critical marine applications.
用户
Wei Chen
Singapore
2025-11-19
Reliable Q235 Billets for Rebar Manufacturing
Our third consecutive order of 45 tons Q235 grade billets (120mm × 120mm × 6m) for wire rod mill operations. Consistent chemical composition across batches with carbon at 0.18-0.20% enables stable rolling parameters. Yield strength averaging 265 MPa exceeds minimum requirements. Their inventory management system allowed us to schedule deliveries across 3 months matching our production planning. Documentation package included spectroscopic analysis per ASTM E415 and dimensional inspection reports. Zero rejections in quality control checks over 6 months of partnership.
用户
Hans Mueller
Germany
2025-12-10
Good Value SAE 1045 Billets for Industrial Shafts
Ordered 18 tons of SAE 1045 billets (160mm × 160mm) for heavy machinery shaft production. Material quality met our specifications with carbon content at 0.44% and manganese at 0.72%. Pricing was competitive compared to European suppliers, approximately 15% lower. Delivery took 32 days which was slightly longer than quoted 28 days due to customs clearance delays. Dimensional tolerance was within ±2mm as specified. Minor surface oxidation on 3 pieces but did not affect machinability. Would order again for cost-sensitive projects.
用户
James Wilson
United Kingdom
2026-01-01
Outstanding Service and Technical Support
Purchased 35 tons of Q345 billets (130mm × 130mm × 12m) for H-beam production. Their metallurgist provided detailed rolling parameter recommendations that reduced our scrap rate by 12%. EN 10204 Type 3.1 certificates included complete heat treatment records and impact toughness data at -20°C. Packaging was excellent with proper bundling and moisture protection. Response time to technical queries was under 4 hours throughout the entire procurement process. Highly professional team that understands rolling mill requirements.
用户
Michael Johnson
United States
2026-01-15
Excellent Quality 150mm Billets for Automotive Components
Ordered 28 tons of 150mm × 150mm billets in grade 42CrMo for crankshaft forging operations. Chemical composition verified through mill certificates showed chromium at 1.02% and molybdenum at 0.19%, perfectly within ASTM specifications. Ultrasonic testing results confirmed zero internal defects across all pieces. Surface quality was outstanding with minimal scale formation. Delivered in 18 days to our Detroit facility. Our forging yield improved by 7% compared to previous supplier. This is our second order within 3 months.

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
$425 1-49 吨 基准价
$405 50-99 吨 4.7% 优惠
$395 ≥100 吨 7.1% 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$ 425.00
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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